SE0202159D0 - Efficientand scalable parametric stereo coding for low bitrate applications - Google Patents

Efficientand scalable parametric stereo coding for low bitrate applications

Info

Publication number
SE0202159D0
SE0202159D0 SE0202159A SE0202159A SE0202159D0 SE 0202159 D0 SE0202159 D0 SE 0202159D0 SE 0202159 A SE0202159 A SE 0202159A SE 0202159 A SE0202159 A SE 0202159A SE 0202159 D0 SE0202159 D0 SE 0202159D0
Authority
SE
Sweden
Prior art keywords
stereo
coding
efficientand
parametric stereo
stereo coding
Prior art date
Application number
SE0202159A
Other languages
English (en)
Inventor
Fredrik Henn
Kristofer Kjoerling
Lars Liljeryd
Jonas Roeden
Jonas Engdegaard
Original Assignee
Coding Technologies Sweden Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27354735&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE0202159(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from SE0102481A external-priority patent/SE0102481D0/sv
Priority claimed from SE0200796A external-priority patent/SE0200796D0/sv
Application filed by Coding Technologies Sweden Ab filed Critical Coding Technologies Sweden Ab
Priority to SE0202159A priority Critical patent/SE0202159D0/sv
Publication of SE0202159D0 publication Critical patent/SE0202159D0/sv
Priority to CN2005101099602A priority patent/CN1758338B/zh
Priority to DE60233835T priority patent/DE60233835D1/de
Priority to CN2005101099585A priority patent/CN1758336B/zh
Priority to EP05017007A priority patent/EP1603117B1/en
Priority to CN2005101099570A priority patent/CN1758335B/zh
Priority to PT16181505T priority patent/PT3104367T/pt
Priority to DE60236028T priority patent/DE60236028D1/de
Priority to EP10174492A priority patent/EP2249336B1/en
Priority to ES16181505T priority patent/ES2714153T3/es
Priority to US10/483,453 priority patent/US7382886B2/en
Priority to KR1020057018180A priority patent/KR100666814B1/ko
Priority to CN2010102129767A priority patent/CN101996634B/zh
Priority to AT02741611T priority patent/ATE305715T1/de
Priority to DK10174492.8T priority patent/DK2249336T3/da
Priority to EP16181505.5A priority patent/EP3104367B1/en
Priority to EP08016926A priority patent/EP2015292B1/en
Priority to PT50170125T priority patent/PT1603118T/pt
Priority to AT05017007T priority patent/ATE464636T1/de
Priority to EP02741611A priority patent/EP1410687B1/en
Priority to CNB028136462A priority patent/CN1279790C/zh
Priority to ES10174492T priority patent/ES2394768T3/es
Priority to ES05017013T priority patent/ES2338891T3/es
Priority to EP05017012.5A priority patent/EP1603118B1/en
Priority to CN200510109959XA priority patent/CN1758337B/zh
Priority to JP2003513284A priority patent/JP4447317B2/ja
Priority to KR1020057018175A priority patent/KR100666813B1/ko
Priority to ES05017007T priority patent/ES2344145T3/es
Priority to ES02741611T priority patent/ES2248570T3/es
Priority to DE60235208T priority patent/DE60235208D1/de
Priority to EP05017011A priority patent/EP1600945B1/en
Priority to DE60206390T priority patent/DE60206390T2/de
Priority to AT08016926T priority patent/ATE443909T1/de
Priority to AT05017011T priority patent/ATE499675T1/de
Priority to KR1020047000072A priority patent/KR100649299B1/ko
Priority to PCT/SE2002/001372 priority patent/WO2003007656A1/en
Priority to ES05017012.5T priority patent/ES2650715T3/es
Priority to ES08016926T priority patent/ES2333278T3/es
Priority to KR1020057018212A priority patent/KR100666815B1/ko
Priority to DK05017012.5T priority patent/DK1603118T3/en
Priority to AT05017013T priority patent/ATE456124T1/de
Priority to EP18212610.2A priority patent/EP3477640B1/en
Priority to EP05017013A priority patent/EP1603119B1/en
Priority to DE60239299T priority patent/DE60239299D1/de
Priority to DK16181505.5T priority patent/DK3104367T3/en
Priority to CN2010101629421A priority patent/CN101887724B/zh
Priority to KR1020057018171A priority patent/KR100679376B1/ko
Priority to DK08016926T priority patent/DK2015292T3/da
Priority to HK04105508A priority patent/HK1062624A1/xx
Priority to US11/237,174 priority patent/US8014534B2/en
Priority to US11/237,133 priority patent/US8073144B2/en
Priority to US11/237,127 priority patent/US8059826B2/en
Priority to US11/238,982 priority patent/US8116460B2/en
Priority to JP2005289553A priority patent/JP2006087130A/ja
Priority to JP2005289556A priority patent/JP4474347B2/ja
Priority to JP2005289554A priority patent/JP4700467B2/ja
Priority to JP2005289552A priority patent/JP4786987B2/ja
Priority to HK06100113.6A priority patent/HK1080207B/zh
Priority to HK06100060.9A priority patent/HK1080979B/zh
Priority to HK17105908.1A priority patent/HK1232335A1/zh
Priority to HK06100111.8A priority patent/HK1080206B/zh
Priority to HK06100114.5A priority patent/HK1080208B/zh
Priority to HK09101999.0A priority patent/HK1124950A1/xx
Priority to JP2009156836A priority patent/JP5186444B2/ja
Priority to US12/496,926 priority patent/US8081763B2/en
Priority to JP2009241929A priority patent/JP4878384B2/ja
Priority to US12/610,193 priority patent/US8243936B2/en
Priority to US12/610,186 priority patent/US8605911B2/en
Priority to JP2010236053A priority patent/JP5186543B2/ja
Priority to JP2010290917A priority patent/JP5133397B2/ja
Priority to HK10112237.6A priority patent/HK1145728A1/xx
Priority to US13/458,492 priority patent/US9218818B2/en
Priority to JP2012104864A priority patent/JP5427270B2/ja
Priority to US14/078,456 priority patent/US20140074485A1/en
Priority to US15/458,143 priority patent/US9865271B2/en
Priority to US15/458,135 priority patent/US9799340B2/en
Priority to US15/458,150 priority patent/US9799341B2/en
Priority to US15/458,126 priority patent/US9792919B2/en
Priority to US16/157,899 priority patent/US10297261B2/en
Priority to US16/399,705 priority patent/US10540982B2/en
Priority to US16/744,586 priority patent/US10902859B2/en
Priority to US17/155,372 priority patent/US20210217425A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuit For Audible Band Transducer (AREA)
SE0202159A 2001-07-10 2002-07-09 Efficientand scalable parametric stereo coding for low bitrate applications SE0202159D0 (sv)

Priority Applications (82)

Application Number Priority Date Filing Date Title
SE0202159A SE0202159D0 (sv) 2001-07-10 2002-07-09 Efficientand scalable parametric stereo coding for low bitrate applications
CN2005101099602A CN1758338B (zh) 2001-07-10 2002-07-10 用于低比特率音频编码应用的高效可标度参数立体声编码
DE60233835T DE60233835D1 (de) 2001-07-10 2002-07-10 Effiziente und Skalierbare Parametrische Stereocodierung für Audiocodierungsanwendungen mit niedriger bitrate
CN2005101099585A CN1758336B (zh) 2001-07-10 2002-07-10 用于低比特率音频编码应用的高效可标度参数立体声编码
EP05017007A EP1603117B1 (en) 2001-07-10 2002-07-10 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
CN2005101099570A CN1758335B (zh) 2001-07-10 2002-07-10 用于低比特率音频编码应用的高效可标度参数立体声编码
PT16181505T PT3104367T (pt) 2001-07-10 2002-07-10 Codificação de áudio em estéreo paramétrico
DE60236028T DE60236028D1 (de) 2001-07-10 2002-07-10 Effiziente und skalierbare parametrische Stereocodierung für Audiocodierungsanwendungen mit niedriger Bitrate
EP10174492A EP2249336B1 (en) 2001-07-10 2002-07-10 Method and receiver for high frequency reconstruction of a stereo audio signal
ES16181505T ES2714153T3 (es) 2001-07-10 2002-07-10 Decodificación de audio estéreo paramétrico
US10/483,453 US7382886B2 (en) 2001-07-10 2002-07-10 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
KR1020057018180A KR100666814B1 (ko) 2001-07-10 2002-07-10 스테레오 폭 파라미터를 보간하는 장치 및 방법, 그리고 의사 스테레오 발생기
CN2010102129767A CN101996634B (zh) 2001-07-10 2002-07-10 用于低比特率音频编码应用的高效可标度参数立体声编码
AT02741611T ATE305715T1 (de) 2001-07-10 2002-07-10 Effiziente und skalierbare parametrische stereocodierung für anwendungen mit niedriger bitrate
DK10174492.8T DK2249336T3 (da) 2001-07-10 2002-07-10 Fremgangsmåde og modtager til højfrekvensrekonstruktion af et stereoaudiosignal
EP16181505.5A EP3104367B1 (en) 2001-07-10 2002-07-10 Parametric stereo audio decoding
EP08016926A EP2015292B1 (en) 2001-07-10 2002-07-10 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
PT50170125T PT1603118T (pt) 2001-07-10 2002-07-10 Recetor e método para descodificar o fluxo de bits codificado em estéreo paramétrico
AT05017007T ATE464636T1 (de) 2001-07-10 2002-07-10 Effiziente und skalierbare parametrische stereocodierung für audiocodierungsanwendungen mit niedriger bitrate
EP02741611A EP1410687B1 (en) 2001-07-10 2002-07-10 Efficient and scalable parametric stereo coding for low bitrate applications
CNB028136462A CN1279790C (zh) 2001-07-10 2002-07-10 用于低比特率音频编码应用的高效可标度参数立体声编码
ES10174492T ES2394768T3 (es) 2001-07-10 2002-07-10 Método y receptor para la reconstrucción de alta frecuencia de una señal de audio estereofónica
ES05017013T ES2338891T3 (es) 2001-07-10 2002-07-10 Control adaptativo de cola de eco para sintesis de audio pseudoestereofonica.
EP05017012.5A EP1603118B1 (en) 2001-07-10 2002-07-10 Receiver and method for decoding parametric stereo encoded bitstream
CN200510109959XA CN1758337B (zh) 2001-07-10 2002-07-10 用于低比特率音频编码应用的高效可标度参数立体声编码
JP2003513284A JP4447317B2 (ja) 2001-07-10 2002-07-10 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
KR1020057018175A KR100666813B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호로부터 유도된 밸런스 값을 보간하는 방법 및 장치
ES05017007T ES2344145T3 (es) 2001-07-10 2002-07-10 Codificacion estereofonica parametrica eficaz y ampliable para aplicaciones de baja velocidad de transferencia de bits.
ES02741611T ES2248570T3 (es) 2001-07-10 2002-07-10 Codificacion estereofonica prametrica eficaz y ampliable para aplicaciones de baja velocidad de transferencia de bits.
DE60235208T DE60235208D1 (de) 2001-07-10 2002-07-10 Adaptive Steuerung eines Echo-Nachlaufs für die Pseudo-Stereo Audiosynthese.
EP05017011A EP1600945B1 (en) 2001-07-10 2002-07-10 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
DE60206390T DE60206390T2 (de) 2001-07-10 2002-07-10 Effiziente und skalierbare parametrische stereocodierung für anwendungen mit niedriger bitrate
AT08016926T ATE443909T1 (de) 2001-07-10 2002-07-10 Effiziente und skalierbare parametrische stereocodierung für audiocodierungsanwendungen mit niedriger bitrate
AT05017011T ATE499675T1 (de) 2001-07-10 2002-07-10 Effiziente und skalierbare parametrische stereocodierung für anwendungen mit niedriger bitrate
KR1020047000072A KR100649299B1 (ko) 2001-07-10 2002-07-10 저 비트레이트 오디오 코딩 적용을 위한 효율적인스케일러블 파라미터 스테레오 코딩 방법 및 장치
PCT/SE2002/001372 WO2003007656A1 (en) 2001-07-10 2002-07-10 Efficient and scalable parametric stereo coding for low bitrate applications
ES05017012.5T ES2650715T3 (es) 2001-07-10 2002-07-10 Receptor y método para decodificar flujo de datos codificado estéreofónico paramétrico
ES08016926T ES2333278T3 (es) 2001-07-10 2002-07-10 Codificacion estereofonica parametrica eficaz y ajustable a escala para aplicaciones de codificacion de audio a baja velocidad de transferencia de bits.
KR1020057018212A KR100666815B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호의 채널을 발생하는 잔향기 및 잔향방법
DK05017012.5T DK1603118T3 (en) 2001-07-10 2002-07-10 Receiver and method for decoding a parametric stereocoded bit stream
AT05017013T ATE456124T1 (de) 2001-07-10 2002-07-10 Adaptive steuerung eines echo-nachlaufs für die pseudo-stereo audiosynthese.
EP18212610.2A EP3477640B1 (en) 2001-07-10 2002-07-10 Parametric stereo audio decoding
EP05017013A EP1603119B1 (en) 2001-07-10 2002-07-10 Adaptive control of echo tail for pseudo stereo audio synthesis
DE60239299T DE60239299D1 (de) 2001-07-10 2002-07-10 Effiziente und skalierbare parametrische Stereocodierung für Anwendungen mit niedriger Bitrate
DK16181505.5T DK3104367T3 (en) 2001-07-10 2002-07-10 Parametric stereo audio decoding
CN2010101629421A CN101887724B (zh) 2001-07-10 2002-07-10 编码功率频谱包络的解码方法
KR1020057018171A KR100679376B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호의 전력 스펙트럼 포락선을 인코딩 그리고 디코딩하는 방법 및 장치
DK08016926T DK2015292T3 (da) 2001-07-10 2002-07-10 Effektiv og skalerbar parametrisk stereokodning til audiokodningsapplikationer med lav bithastighed
HK04105508A HK1062624A1 (en) 2001-07-10 2004-07-27 Efficient and scalable parametric stereo coding for low bitrate applications.
US11/237,174 US8014534B2 (en) 2001-07-10 2005-09-27 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US11/237,133 US8073144B2 (en) 2001-07-10 2005-09-27 Stereo balance interpolation
US11/237,127 US8059826B2 (en) 2001-07-10 2005-09-27 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US11/238,982 US8116460B2 (en) 2001-07-10 2005-09-28 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
JP2005289553A JP2006087130A (ja) 2001-07-10 2005-10-03 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
JP2005289556A JP4474347B2 (ja) 2001-07-10 2005-10-03 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
JP2005289554A JP4700467B2 (ja) 2001-07-10 2005-10-03 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
JP2005289552A JP4786987B2 (ja) 2001-07-10 2005-10-03 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
HK06100113.6A HK1080207B (zh) 2001-07-10 2006-01-04 接收機和用於對參數立體聲編碼的比特流進行解碼的方法
HK06100060.9A HK1080979B (zh) 2001-07-10 2006-01-04 用於低比特率音頻編碼應用高效可標度參數立體聲編碼
HK17105908.1A HK1232335A1 (zh) 2001-07-10 2006-01-04 參數立體聲音頻解碼
HK06100111.8A HK1080206B (zh) 2001-07-10 2006-01-04 用於偽立體聲音頻合成的回聲尾部自適應控製
HK06100114.5A HK1080208B (zh) 2001-07-10 2006-01-04 用於低比特率音頻編碼應用的高效可標度參數立體聲編碼
HK09101999.0A HK1124950A1 (en) 2001-07-10 2009-03-03 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
JP2009156836A JP5186444B2 (ja) 2001-07-10 2009-07-01 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
US12/496,926 US8081763B2 (en) 2001-07-10 2009-07-02 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
JP2009241929A JP4878384B2 (ja) 2001-07-10 2009-10-21 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
US12/610,193 US8243936B2 (en) 2001-07-10 2009-10-30 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US12/610,186 US8605911B2 (en) 2001-07-10 2009-10-30 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
JP2010236053A JP5186543B2 (ja) 2001-07-10 2010-10-21 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
JP2010290917A JP5133397B2 (ja) 2001-07-10 2010-12-27 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
HK10112237.6A HK1145728A1 (en) 2001-07-10 2010-12-30 Method and receiver for high frequency reconstruction of a stereo audio signal
US13/458,492 US9218818B2 (en) 2001-07-10 2012-04-27 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
JP2012104864A JP5427270B2 (ja) 2001-07-10 2012-05-01 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化
US14/078,456 US20140074485A1 (en) 2001-07-10 2013-11-12 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US15/458,143 US9865271B2 (en) 2001-07-10 2017-03-14 Efficient and scalable parametric stereo coding for low bitrate applications
US15/458,135 US9799340B2 (en) 2001-07-10 2017-03-14 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US15/458,150 US9799341B2 (en) 2001-07-10 2017-03-14 Efficient and scalable parametric stereo coding for low bitrate applications
US15/458,126 US9792919B2 (en) 2001-07-10 2017-03-14 Efficient and scalable parametric stereo coding for low bitrate applications
US16/157,899 US10297261B2 (en) 2001-07-10 2018-10-11 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US16/399,705 US10540982B2 (en) 2001-07-10 2019-04-30 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US16/744,586 US10902859B2 (en) 2001-07-10 2020-01-16 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US17/155,372 US20210217425A1 (en) 2001-07-10 2021-01-22 Efficient and scalable parametric stereo coding for low bitrate audio coding applications

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0102481A SE0102481D0 (sv) 2001-07-10 2001-07-10 Parametric stereo coding for low bitrate applications
SE0200796A SE0200796D0 (sv) 2002-03-15 2002-03-15 Parametic Stereo Coding for Low Bitrate Applications
SE0202159A SE0202159D0 (sv) 2001-07-10 2002-07-09 Efficientand scalable parametric stereo coding for low bitrate applications

Publications (1)

Publication Number Publication Date
SE0202159D0 true SE0202159D0 (sv) 2002-07-09

Family

ID=27354735

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0202159A SE0202159D0 (sv) 2001-07-10 2002-07-09 Efficientand scalable parametric stereo coding for low bitrate applications

Country Status (13)

Country Link
US (8) US7382886B2 (sv)
EP (9) EP2249336B1 (sv)
JP (10) JP4447317B2 (sv)
KR (5) KR100679376B1 (sv)
CN (7) CN101996634B (sv)
AT (5) ATE499675T1 (sv)
DE (5) DE60239299D1 (sv)
DK (4) DK1603118T3 (sv)
ES (7) ES2650715T3 (sv)
HK (8) HK1062624A1 (sv)
PT (2) PT3104367T (sv)
SE (1) SE0202159D0 (sv)
WO (1) WO2003007656A1 (sv)

Families Citing this family (189)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
DE60202881T2 (de) 2001-11-29 2006-01-19 Coding Technologies Ab Wiederherstellung von hochfrequenzkomponenten
BR0304542A (pt) * 2002-04-22 2004-07-20 Koninkl Philips Electronics Nv Método e codificador para codificar um sinal de áudio de multicanal, aparelho para fornecer um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio
US7933415B2 (en) 2002-04-22 2011-04-26 Koninklijke Philips Electronics N.V. Signal synthesizing
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
JP4751722B2 (ja) * 2002-10-14 2011-08-17 トムソン ライセンシング オーディオシーンにおける音源のワイドネスを符号化および復号化する方法
US7181019B2 (en) * 2003-02-11 2007-02-20 Koninklijke Philips Electronics N. V. Audio coding
FI118247B (sv) * 2003-02-26 2007-08-31 Fraunhofer Ges Forschung Förfarande för att åstadkomma ett naturligt eller modifierat utrymmesintryck i flerkanallyssning
AU2003219430A1 (en) 2003-03-04 2004-09-28 Nokia Corporation Support of a multichannel audio extension
WO2004086817A2 (en) * 2003-03-24 2004-10-07 Koninklijke Philips Electronics N.V. Coding of main and side signal representing a multichannel signal
DE602004005020T2 (de) * 2003-04-17 2007-10-31 Koninklijke Philips Electronics N.V. Audiosignalsynthese
AU2003222397A1 (en) * 2003-04-30 2004-11-23 Nokia Corporation Support of a multichannel audio extension
KR100717607B1 (ko) * 2003-04-30 2007-05-15 코딩 테크놀러지스 에이비 스테레오 인코딩 및 디코딩 장치와 방법
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
FR2853804A1 (fr) * 2003-07-11 2004-10-15 France Telecom Procede de decodage d'un signal permettant de reconstituer une scene sonore et dispositif de decodage correspondant
FR2857552B1 (fr) * 2003-07-11 2006-05-05 France Telecom Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondant
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
JP2007528025A (ja) * 2004-02-17 2007-10-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ配信システム、オーディオエンコーダ、オーディオデコーダ、及びそれらの動作方法
US7805313B2 (en) 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
ES2426917T3 (es) * 2004-04-05 2013-10-25 Koninklijke Philips N.V. Aparato codificador, aparato decodificador, sus métodos y sistema de audio asociado
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
SE0400997D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
DE602004028171D1 (de) * 2004-05-28 2010-08-26 Nokia Corp Mehrkanalige audio-erweiterung
KR101158717B1 (ko) * 2004-06-08 2012-06-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 반향 음향 신호를 코딩하는 방법
JP3916087B2 (ja) * 2004-06-29 2007-05-16 ソニー株式会社 疑似ステレオ化装置
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
CA2572805C (en) 2004-07-02 2013-08-13 Matsushita Electric Industrial Co., Ltd. Audio signal decoding device and audio signal encoding device
ATE444549T1 (de) * 2004-07-14 2009-10-15 Koninkl Philips Electronics Nv Tonkanalkonvertierung
TWI498882B (zh) 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
TWI393121B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
WO2006025337A1 (ja) * 2004-08-31 2006-03-09 Matsushita Electric Industrial Co., Ltd. ステレオ信号生成装置およびステレオ信号生成方法
KR101158709B1 (ko) * 2004-09-06 2012-06-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 강화
BRPI0516739A (pt) * 2004-09-30 2008-09-23 Matsushita Electric Ind Co Ltd dispositivo de codificação escalável, dispositivo de decodificação escalável, e método dos mesmos
JP4892184B2 (ja) * 2004-10-14 2012-03-07 パナソニック株式会社 音響信号符号化装置及び音響信号復号装置
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US8643595B2 (en) * 2004-10-25 2014-02-04 Sipix Imaging, Inc. Electrophoretic display driving approaches
KR101283741B1 (ko) * 2004-10-28 2013-07-08 디티에스 워싱턴, 엘엘씨 N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법
SE0402651D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods for interpolation and parameter signalling
BRPI0516658A (pt) * 2004-11-30 2008-09-16 Matsushita Electric Ind Co Ltd aparelho de codificação de estéreo, aparelho de decodificação de estéreo e seus métodos
JP5106115B2 (ja) * 2004-11-30 2012-12-26 アギア システムズ インコーポレーテッド オブジェクト・ベースのサイド情報を用いる空間オーディオのパラメトリック・コーディング
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7761304B2 (en) * 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
JP5046652B2 (ja) * 2004-12-27 2012-10-10 パナソニック株式会社 音声符号化装置および音声符号化方法
EP2138999A1 (en) * 2004-12-28 2009-12-30 Panasonic Corporation Audio encoding device and audio encoding method
BRPI0519454A2 (pt) * 2004-12-28 2009-01-27 Matsushita Electric Ind Co Ltd aparelho de codificaÇço reescalonÁvel e mÉtodo de codificaÇço reescalonÁvel
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
US7937272B2 (en) * 2005-01-11 2011-05-03 Koninklijke Philips Electronics N.V. Scalable encoding/decoding of audio signals
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
US8346564B2 (en) * 2005-03-30 2013-01-01 Koninklijke Philips Electronics N.V. Multi-channel audio coding
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
JP4521032B2 (ja) 2005-04-19 2010-08-11 ドルビー インターナショナル アクチボラゲット 空間音声パラメータの効率的符号化のためのエネルギー対応量子化
WO2006116024A2 (en) * 2005-04-22 2006-11-02 Qualcomm Incorporated Systems, methods, and apparatus for gain factor attenuation
US8577686B2 (en) 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4988717B2 (ja) * 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
WO2006129615A1 (ja) * 2005-05-31 2006-12-07 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
AU2006266655B2 (en) * 2005-06-30 2009-08-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8082157B2 (en) * 2005-06-30 2011-12-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR101492826B1 (ko) * 2005-07-14 2015-02-13 코닌클리케 필립스 엔.브이. 다수의 출력 오디오 채널들을 생성하기 위한 장치 및 방법과, 그 장치를 포함하는 수신기 및 오디오 재생 디바이스, 데이터 스트림 수신 방법, 및 컴퓨터 판독가능 기록매체
US20070055510A1 (en) * 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
EP1938312A4 (en) 2005-09-14 2010-01-20 Lg Electronics Inc METHOD AND APPARATUS FOR DECODING AN AUDIO SIGNAL
EP1929442A2 (en) * 2005-09-16 2008-06-11 Koninklijke Philips Electronics N.V. Collusion resistant watermarking
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
WO2007040353A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
KR100857114B1 (ko) 2005-10-05 2008-09-08 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
EP1949369B1 (en) * 2005-10-12 2012-09-26 Samsung Electronics Co., Ltd. Method and apparatus for encoding/decoding audio data and extension data
US8296155B2 (en) 2006-01-19 2012-10-23 Lg Electronics Inc. Method and apparatus for decoding a signal
JP4539570B2 (ja) * 2006-01-19 2010-09-08 沖電気工業株式会社 音声応答システム
JP4787331B2 (ja) 2006-01-19 2011-10-05 エルジー エレクトロニクス インコーポレイティド メディア信号の処理方法及び装置
TR201808453T4 (tr) 2006-01-27 2018-07-23 Dolby Int Ab Bir kompleks modüle filtre bankası ile verimli filtreleme.
JP5054034B2 (ja) 2006-02-07 2012-10-24 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
CA2636330C (en) 2006-02-23 2012-05-29 Lg Electronics Inc. Method and apparatus for processing an audio signal
JP5166292B2 (ja) * 2006-03-15 2013-03-21 フランス・テレコム 主成分分析によりマルチチャネルオーディオ信号を符号化するための装置および方法
FR2898725A1 (fr) * 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
TWI340600B (en) 2006-03-30 2011-04-11 Lg Electronics Inc Method for processing an audio signal, method of encoding an audio signal and apparatus thereof
EP1853092B1 (en) 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
JP5134623B2 (ja) * 2006-07-07 2013-01-30 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 複数のパラメータ的に符号化された音源を合成するための概念
US8346546B2 (en) * 2006-08-15 2013-01-01 Broadcom Corporation Packet loss concealment based on forced waveform alignment after packet loss
BRPI0716854B1 (pt) * 2006-09-18 2020-09-15 Koninklijke Philips N.V. Codificador para codificar objetos de áudio, decodificador para decodificar objetos de áudio, centro distribuidor de teleconferência, e método para decodificar sinais de áudio
WO2008044901A1 (en) 2006-10-12 2008-04-17 Lg Electronics Inc., Apparatus for processing a mix signal and method thereof
WO2008051347A2 (en) * 2006-10-20 2008-05-02 Dolby Laboratories Licensing Corporation Audio dynamics processing using a reset
US8019086B2 (en) * 2006-11-16 2011-09-13 Texas Instruments Incorporated Stereo synthesizer using comb filters and intra-aural differences
US7885414B2 (en) * 2006-11-16 2011-02-08 Texas Instruments Incorporated Band-selectable stereo synthesizer using strictly complementary filter pair
US7920708B2 (en) * 2006-11-16 2011-04-05 Texas Instruments Incorporated Low computation mono to stereo conversion using intra-aural differences
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
JP4930320B2 (ja) * 2006-11-30 2012-05-16 ソニー株式会社 再生方法及び装置、プログラム並びに記録媒体
US8363842B2 (en) 2006-11-30 2013-01-29 Sony Corporation Playback method and apparatus, program, and recording medium
WO2008069595A1 (en) * 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for processing an audio signal
JP5328637B2 (ja) * 2007-02-20 2013-10-30 パナソニック株式会社 マルチチャンネル復号装置、マルチチャンネル復号方法、プログラム及び半導体集積回路
US8189812B2 (en) 2007-03-01 2012-05-29 Microsoft Corporation Bass boost filtering techniques
GB0705328D0 (en) 2007-03-20 2007-04-25 Skype Ltd Method of transmitting data in a communication system
US8290167B2 (en) 2007-03-21 2012-10-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US20080232601A1 (en) * 2007-03-21 2008-09-25 Ville Pulkki Method and apparatus for enhancement of audio reconstruction
US9015051B2 (en) * 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
US8908873B2 (en) * 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US9466307B1 (en) * 2007-05-22 2016-10-11 Digimarc Corporation Robust spectral encoding and decoding methods
US8385556B1 (en) * 2007-08-17 2013-02-26 Dts, Inc. Parametric stereo conversion system and method
GB2453117B (en) 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
CN101149925B (zh) * 2007-11-06 2011-02-16 武汉大学 一种用于参数立体声编码的空间参数选取方法
EP2212883B1 (en) * 2007-11-27 2012-06-06 Nokia Corporation An encoder
WO2009068086A1 (en) * 2007-11-27 2009-06-04 Nokia Corporation Mutichannel audio encoder, decoder, and method thereof
US20110282674A1 (en) * 2007-11-27 2011-11-17 Nokia Corporation Multichannel audio coding
US9872066B2 (en) * 2007-12-18 2018-01-16 Ibiquity Digital Corporation Method for streaming through a data service over a radio link subsystem
KR101444102B1 (ko) 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
EP2124486A1 (de) * 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
US8060042B2 (en) 2008-05-23 2011-11-15 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
JP5425067B2 (ja) * 2008-06-27 2014-02-26 パナソニック株式会社 音響信号復号装置および音響信号復号装置におけるバランス調整方法
US8538749B2 (en) 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
RU2495503C2 (ru) * 2008-07-29 2013-10-10 Панасоник Корпорэйшн Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций
WO2010016270A1 (ja) * 2008-08-08 2010-02-11 パナソニック株式会社 量子化装置、符号化装置、量子化方法及び符号化方法
KR101108061B1 (ko) 2008-09-25 2012-01-25 엘지전자 주식회사 신호 처리 방법 및 이의 장치
US8346379B2 (en) 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
EP2169665B1 (en) * 2008-09-25 2018-05-02 LG Electronics Inc. A method and an apparatus for processing a signal
US8346380B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
WO2010042024A1 (en) * 2008-10-10 2010-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Energy conservative multi-channel audio coding
JP5309944B2 (ja) 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
RU2509442C2 (ru) 2008-12-19 2014-03-10 Долби Интернэшнл Аб Способ и устройство для применения реверберации к многоканальному звуковому сигналу с использованием параметров пространственных меток
WO2010082471A1 (ja) 2009-01-13 2010-07-22 パナソニック株式会社 音響信号復号装置及びバランス調整方法
ES2904373T3 (es) 2009-01-16 2022-04-04 Dolby Int Ab Transposición armónica mejorada de producto cruzado
TWI613887B (zh) 2009-02-18 2018-02-01 杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
WO2010098120A1 (ja) 2009-02-26 2010-09-02 パナソニック株式会社 チャネル信号生成装置、音響信号符号化装置、音響信号復号装置、音響信号符号化方法及び音響信号復号方法
BR122019023877B1 (pt) 2009-03-17 2021-08-17 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
US9202456B2 (en) * 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
CN101556799B (zh) * 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI484481B (zh) 2009-05-27 2015-05-11 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
JP2012533954A (ja) * 2009-07-22 2012-12-27 ストーミングスイス・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング ステレオ又は疑似ステレオオーディオ信号の最適化装置及び方法
TWI433137B (zh) * 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
CN102754159B (zh) 2009-10-19 2016-08-24 杜比国际公司 指示音频对象的部分的元数据时间标记信息
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
US8463414B2 (en) 2010-08-09 2013-06-11 Motorola Mobility Llc Method and apparatus for estimating a parameter for low bit rate stereo transmission
WO2012025431A2 (en) * 2010-08-24 2012-03-01 Dolby International Ab Concealment of intermittent mono reception of fm stereo radio receivers
US9514757B2 (en) 2010-11-17 2016-12-06 Panasonic Intellectual Property Corporation Of America Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method
PT4020466T (pt) * 2011-02-18 2023-06-27 Ntt Docomo Inc Codificador de voz e método de codificação de voz
PL2727381T3 (pl) 2011-07-01 2022-05-02 Dolby Laboratories Licensing Corporation Sposób i urządzenie do renderowania obiektów audio
US9043323B2 (en) 2011-08-22 2015-05-26 Nokia Corporation Method and apparatus for providing search with contextual processing
JP5724044B2 (ja) 2012-02-17 2015-05-27 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 多重チャネル・オーディオ信号の符号化のためのパラメトリック型符号化装置
US9728194B2 (en) 2012-02-24 2017-08-08 Dolby International Ab Audio processing
JP5997592B2 (ja) * 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
JP6133413B2 (ja) * 2012-06-14 2017-05-24 ドルビー・インターナショナル・アーベー マルチチャネル・オーディオのためのなめらかな構成切り換え
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
EP2754524B1 (de) 2013-01-15 2015-11-25 Corning Laser Technologies GmbH Verfahren und Vorrichtung zum laserbasierten Bearbeiten von flächigen Substraten, d.h. Wafer oder Glaselement, unter Verwendung einer Laserstrahlbrennlinie
EP2781296B1 (de) 2013-03-21 2020-10-21 Corning Laser Technologies GmbH Vorrichtung und verfahren zum ausschneiden von konturen aus flächigen substraten mittels laser
KR20150126651A (ko) * 2013-04-05 2015-11-12 돌비 인터네셔널 에이비 스테레오 오디오 인코더 및 디코더
SG11201509001YA (en) * 2013-05-24 2015-12-30 Dolby Int Ab Audio encoder and decoder
SG11201510164RA (en) * 2013-06-10 2016-01-28 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by splitting the audio signal envelope employing distribution quantization and coding
EP3008726B1 (en) 2013-06-10 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
EP2830064A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
US10170125B2 (en) 2013-09-12 2019-01-01 Dolby International Ab Audio decoding system and audio encoding system
TWI579831B (zh) 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
TWI713018B (zh) 2013-09-12 2020-12-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
KR101808810B1 (ko) * 2013-11-27 2017-12-14 한국전자통신연구원 음성/무음성 구간 검출 방법 및 장치
US9276544B2 (en) * 2013-12-10 2016-03-01 Apple Inc. Dynamic range control gain encoding
US11556039B2 (en) 2013-12-17 2023-01-17 Corning Incorporated Electrochromic coated glass articles and methods for laser processing the same
US10293436B2 (en) 2013-12-17 2019-05-21 Corning Incorporated Method for rapid laser drilling of holes in glass and products made therefrom
CA3162763A1 (en) * 2013-12-27 2015-07-02 Sony Corporation Decoding apparatus and method, and program
US20150194157A1 (en) * 2014-01-06 2015-07-09 Nvidia Corporation System, method, and computer program product for artifact reduction in high-frequency regeneration audio signals
KR102445217B1 (ko) 2014-07-08 2022-09-20 코닝 인코포레이티드 재료를 레이저 가공하는 방법 및 장치
EP3169477B1 (en) 2014-07-14 2020-01-29 Corning Incorporated System for and method of processing transparent materials using laser beam focal lines adjustable in length and diameter
KR102546692B1 (ko) 2015-03-24 2023-06-22 코닝 인코포레이티드 디스플레이 유리 조성물의 레이저 절단 및 가공
WO2017074321A1 (en) * 2015-10-27 2017-05-04 Ambidio, Inc. Apparatus and method for sound stage enhancement
EP3166313A1 (en) * 2015-11-09 2017-05-10 Thomson Licensing Encoding and decoding method and corresponding devices
CN109803786B (zh) 2016-09-30 2021-05-07 康宁股份有限公司 使用非轴对称束斑对透明工件进行激光加工的设备和方法
US11542190B2 (en) 2016-10-24 2023-01-03 Corning Incorporated Substrate processing station for laser-based machining of sheet-like glass substrates
CN108847848B (zh) * 2018-06-13 2021-10-01 电子科技大学 一种基于信息后处理的极化码的bp译码算法
CN113301329B (zh) * 2021-05-21 2022-08-05 康佳集团股份有限公司 基于图像识别的电视声场校正方法、装置及显示设备
US12003932B2 (en) * 2022-02-08 2024-06-04 Dell Products, L.P. Speaker system for slim profile display devices
CN115460516A (zh) * 2022-09-05 2022-12-09 中国第一汽车股份有限公司 单声道转立体声的信号处理方法、装置、设备及介质

Family Cites Families (187)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947827A (en) 1974-05-29 1976-03-30 Whittaker Corporation Digital storage system for high frequency signals
US4053711A (en) 1976-04-26 1977-10-11 Audio Pulse, Inc. Simulation of reverberation in audio signals
US4166924A (en) 1977-05-12 1979-09-04 Bell Telephone Laboratories, Incorporated Removing reverberative echo components in speech signals
FR2412987A1 (fr) 1977-12-23 1979-07-20 Ibm France Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede
US4523309A (en) * 1978-12-05 1985-06-11 Electronics Corporation Of Israel, Ltd. Time assignment speech interpolation apparatus
US4330689A (en) 1980-01-28 1982-05-18 The United States Of America As Represented By The Secretary Of The Navy Multirate digital voice communication processor
GB2100430B (en) 1981-06-15 1985-11-27 Atomic Energy Authority Uk Improving the spatial resolution of ultrasonic time-of-flight measurement system
EP0070948B1 (fr) 1981-07-28 1985-07-10 International Business Machines Corporation Procédé de codage de la voix et dispositif de mise en oeuvre dudit procédé
US4700390A (en) 1983-03-17 1987-10-13 Kenji Machida Signal synthesizer
US4667340A (en) 1983-04-13 1987-05-19 Texas Instruments Incorporated Voice messaging system with pitch-congruent baseband coding
US4672670A (en) 1983-07-26 1987-06-09 Advanced Micro Devices, Inc. Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
US4700362A (en) 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
EP0139803B1 (fr) 1983-10-28 1987-10-14 International Business Machines Corporation Procédé de reconstitution d'informations perdues dans un système de transmission numérique de la voix et système de transmission utilisant ledit procédé
US4706287A (en) * 1984-10-17 1987-11-10 Kintek, Inc. Stereo generator
JPH0212299Y2 (sv) 1984-12-28 1990-04-06
US4885790A (en) 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
JPH0774709B2 (ja) 1985-07-24 1995-08-09 株式会社東芝 空気調和機
US4748669A (en) 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
DE3683767D1 (de) 1986-04-30 1992-03-12 Ibm Sprachkodierungsverfahren und einrichtung zur ausfuehrung dieses verfahrens.
JPH0690209B2 (ja) 1986-06-13 1994-11-14 株式会社島津製作所 反応管の攪拌装置
US4776014A (en) 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
GB8628046D0 (en) * 1986-11-24 1986-12-31 British Telecomm Transmission system
US5054072A (en) 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
US5285520A (en) 1988-03-02 1994-02-08 Kokusai Denshin Denwa Kabushiki Kaisha Predictive coding apparatus
FR2628918B1 (fr) 1988-03-15 1990-08-10 France Etat Dispositif annuleur d'echo a filtrage en sous-bandes de frequence
US5127054A (en) 1988-04-29 1992-06-30 Motorola, Inc. Speech quality improvement for voice coders and synthesizers
JPH0212299A (ja) 1988-06-30 1990-01-17 Toshiba Corp 音場効果自動制御装置
JPH02177782A (ja) 1988-12-28 1990-07-10 Toshiba Corp モノラルｔｖ音声復調回路
CN1031376C (zh) * 1989-01-10 1996-03-20 任天堂株式会社 能够产生伪立体声的电子游戏装置
US5297236A (en) 1989-01-27 1994-03-22 Dolby Laboratories Licensing Corporation Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder
DE68916944T2 (de) 1989-04-11 1995-03-16 Ibm Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion.
US5261027A (en) 1989-06-28 1993-11-09 Fujitsu Limited Code excited linear prediction speech coding system
US4974187A (en) 1989-08-02 1990-11-27 Aware, Inc. Modular digital signal processing system
US5054075A (en) 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
US4969040A (en) 1989-10-26 1990-11-06 Bell Communications Research, Inc. Apparatus and method for differential sub-band coding of video signals
JPH03214956A (ja) 1990-01-19 1991-09-20 Mitsubishi Electric Corp テレビ会議装置
JPH0685607B2 (ja) 1990-03-14 1994-10-26 関西電力株式会社 薬液注入防護工法
CN2068715U (zh) * 1990-04-09 1991-01-02 中国民用航空学院 小型低压电子音频混响装置
JP2906646B2 (ja) 1990-11-09 1999-06-21 松下電器産業株式会社 音声帯域分割符号化装置
US5293449A (en) 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
JP3158458B2 (ja) 1991-01-31 2001-04-23 日本電気株式会社 階層表現された信号の符号化方式
GB9104186D0 (en) 1991-02-28 1991-04-17 British Aerospace Apparatus for and method of digital signal processing
US5235420A (en) 1991-03-22 1993-08-10 Bell Communications Research, Inc. Multilayer universal video coder
JP2990829B2 (ja) 1991-03-29 1999-12-13 ヤマハ株式会社 効果付与装置
JPH04324727A (ja) * 1991-04-24 1992-11-13 Fujitsu Ltd ステレオ符号化伝送方式
DE4136825C1 (sv) * 1991-11-08 1993-03-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
JP3050978B2 (ja) 1991-12-18 2000-06-12 沖電気工業株式会社 音声符号化方法
JPH05191885A (ja) 1992-01-10 1993-07-30 Clarion Co Ltd 音響信号イコライザ回路
WO1993016433A1 (en) 1992-02-07 1993-08-19 Seiko Epson Corporation Hardware emulation accelerator and method
US5559891A (en) * 1992-02-13 1996-09-24 Nokia Technology Gmbh Device to be used for changing the acoustic properties of a room
US5765127A (en) 1992-03-18 1998-06-09 Sony Corp High efficiency encoding method
CN1078341A (zh) * 1992-04-30 1993-11-10 王福宏 高保真立体声高效聋哑康复机
GB9211756D0 (en) * 1992-06-03 1992-07-15 Gerzon Michael A Stereophonic directional dispersion method
US5278909A (en) 1992-06-08 1994-01-11 International Business Machines Corporation System and method for stereo digital audio compression with co-channel steering
IT1257065B (it) 1992-07-31 1996-01-05 Sip Codificatore a basso ritardo per segnali audio, utilizzante tecniche di analisi per sintesi.
US5408580A (en) 1992-09-21 1995-04-18 Aware, Inc. Audio compression system employing multi-rate signal analysis
JP2779886B2 (ja) 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
JP3191457B2 (ja) 1992-10-31 2001-07-23 ソニー株式会社 高能率符号化装置、ノイズスペクトル変更装置及び方法
CA2106440C (en) 1992-11-30 1997-11-18 Jelena Kovacevic Method and apparatus for reducing correlated errors in subband coding systems with quantizers
US5455888A (en) 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
JPH06202629A (ja) 1992-12-28 1994-07-22 Yamaha Corp 楽音の効果付与装置
JPH06215482A (ja) 1993-01-13 1994-08-05 Hitachi Micom Syst:Kk オーディオ情報記録媒体、およびこのオーディオ情報記録媒体を用いる音場生成装置
JP3496230B2 (ja) 1993-03-16 2004-02-09 パイオニア株式会社 音場制御システム
JP3214956B2 (ja) 1993-06-10 2001-10-02 積水化学工業株式会社 カーテンボックス組込み換気扇
US5463424A (en) 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
US5581653A (en) 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
DE4331376C1 (de) * 1993-09-15 1994-11-10 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
WO1995015041A1 (en) * 1993-11-26 1995-06-01 Philips Electronics N.V. A transmission system, and a transmitter and a receiver for use in such a system
JPH07160299A (ja) 1993-12-06 1995-06-23 Hitachi Denshi Ltd 音声信号帯域圧縮伸張装置並びに音声信号の帯域圧縮伝送方式及び再生方式
JP3404837B2 (ja) 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
JP2616549B2 (ja) 1993-12-10 1997-06-04 日本電気株式会社 音声復号装置
KR960012475B1 (ko) 1994-01-18 1996-09-20 대우전자 주식회사 디지탈 오디오 부호화장치의 채널별 비트 할당 장치
KR960003455B1 (ko) 1994-01-18 1996-03-13 대우전자주식회사 적응적으로 각 채널에 비트 할당하여 부호화 및 복호화하는 엠 에스 스테레오 디지탈 오디오 부호화 및 복호화 장치
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
US5787387A (en) 1994-07-11 1998-07-28 Voxware, Inc. Harmonic adaptive speech coding method and system
KR0110475Y1 (ko) 1994-10-13 1998-04-14 이희종 바이탈(vital)출력의 인터페이스회로
JP3483958B2 (ja) 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
US5839102A (en) 1994-11-30 1998-11-17 Lucent Technologies Inc. Speech coding parameter sequence reconstruction by sequence classification and interpolation
JPH08162964A (ja) 1994-12-08 1996-06-21 Sony Corp 情報圧縮装置及び方法、情報伸張装置及び方法、並びに記録媒体
FR2729024A1 (fr) 1994-12-30 1996-07-05 Matra Communication Annuleur d'echo acoustique avec filtrage en sous-bandes
US5701390A (en) 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
JP2956548B2 (ja) 1995-10-05 1999-10-04 松下電器産業株式会社 音声帯域拡大装置
JP3139602B2 (ja) 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
JP3416331B2 (ja) 1995-04-28 2003-06-16 松下電器産業株式会社 音声復号化装置
US5915235A (en) 1995-04-28 1999-06-22 Dejaco; Andrew P. Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer
US5692050A (en) 1995-06-15 1997-11-25 Binaura Corporation Method and apparatus for spatially enhancing stereo and monophonic signals
JPH0946233A (ja) 1995-07-31 1997-02-14 Kokusai Electric Co Ltd 音声符号化方法とその装置、音声復号方法とその装置
JPH0955778A (ja) 1995-08-15 1997-02-25 Fujitsu Ltd 音声信号の広帯域化装置
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
JP3301473B2 (ja) 1995-09-27 2002-07-15 日本電信電話株式会社 広帯域音声信号復元方法
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5687191A (en) 1995-12-06 1997-11-11 Solana Technology Development Corporation Post-compression hidden data transport
US5732189A (en) 1995-12-22 1998-03-24 Lucent Technologies Inc. Audio signal coding with a signal adaptive filterbank
FR2744871B1 (fr) * 1996-02-13 1998-03-06 Sextant Avionique Systeme de spatialisation sonore, et procede de personnalisation pour sa mise en oeuvre
TW307960B (en) 1996-02-15 1997-06-11 Philips Electronics Nv Reduced complexity signal transmission system
JP3519859B2 (ja) 1996-03-26 2004-04-19 三菱電機株式会社 符号器及び復号器
JP3529542B2 (ja) 1996-04-08 2004-05-24 株式会社東芝 信号の伝送／記録／受信／再生方法と装置及び記録媒体
EP0798866A2 (en) 1996-03-27 1997-10-01 Kabushiki Kaisha Toshiba Digital data processing system
US5848164A (en) 1996-04-30 1998-12-08 The Board Of Trustees Of The Leland Stanford Junior University System and method for effects processing on audio subband data
US6850621B2 (en) * 1996-06-21 2005-02-01 Yamaha Corporation Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method
DE19628292B4 (de) 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
US5951235A (en) 1996-08-08 1999-09-14 Jerr-Dan Corporation Advanced rollback wheel-lift
JP3976360B2 (ja) * 1996-08-29 2007-09-19 富士通株式会社 立体音響処理装置
CA2184541A1 (en) 1996-08-30 1998-03-01 Tet Hin Yeap Method and apparatus for wavelet modulation of signals for transmission and/or storage
GB2317537B (en) 1996-09-19 2000-05-17 Matra Marconi Space Digital signal processing apparatus for frequency demultiplexing or multiplexing
JP3707153B2 (ja) 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
KR100206333B1 (ko) * 1996-10-08 1999-07-01 윤종용 두개의 스피커를 이용한 멀티채널 오디오 재생장치및 방법
JPH10124088A (ja) 1996-10-24 1998-05-15 Sony Corp 音声帯域幅拡張装置及び方法
US5875122A (en) 1996-12-17 1999-02-23 Intel Corporation Integrated systolic architecture for decomposition and reconstruction of signals using wavelet transforms
US5886276A (en) 1997-01-16 1999-03-23 The Board Of Trustees Of The Leland Stanford Junior University System and method for multiresolution scalable audio signal encoding
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
US5862228A (en) * 1997-02-21 1999-01-19 Dolby Laboratories Licensing Corporation Audio matrix encoding
US6236731B1 (en) 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
IL120788A (en) 1997-05-06 2000-07-16 Audiocodes Ltd Systems and methods for encoding and decoding speech for lossy transmission networks
AU7693398A (en) * 1997-05-22 1998-12-11 Plantronics, Inc. Full duplex cordless communication system
US6370504B1 (en) 1997-05-29 2002-04-09 University Of Washington Speech recognition on MPEG/Audio encoded files
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
KR20000068538A (ko) 1997-07-11 2000-11-25 이데이 노부유끼 정보 복호 방법 및 장치, 정보 부호화 방법 및 장치, 및 제공매체
US5890125A (en) 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
US6144937A (en) 1997-07-23 2000-11-07 Texas Instruments Incorporated Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information
US6124895A (en) 1997-10-17 2000-09-26 Dolby Laboratories Licensing Corporation Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment
KR100335611B1 (ko) 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
WO1999033325A2 (en) * 1997-12-19 1999-07-01 Daewoo Electronics Co., Ltd. Surround signal processing apparatus and method
EP0976306A1 (en) * 1998-02-13 2000-02-02 Koninklijke Philips Electronics N.V. Surround sound reproduction system, sound/visual reproduction system, surround signal processing unit and method for processing an input surround signal
KR100304092B1 (ko) 1998-03-11 2001-09-26 마츠시타 덴끼 산교 가부시키가이샤 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치
JPH11262100A (ja) 1998-03-13 1999-09-24 Matsushita Electric Ind Co Ltd オーディオ信号の符号化／復号方法および装置
US6351730B2 (en) 1998-03-30 2002-02-26 Lucent Technologies Inc. Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment
KR100474826B1 (ko) 1998-05-09 2005-05-16 삼성전자주식회사 음성부호화기에서의주파수이동법을이용한다중밴드의유성화도결정방법및그장치
CA2309077A1 (en) * 1998-09-02 2000-03-16 Matsushita Electric Industrial Co., Ltd. Signal processor
JP3354880B2 (ja) 1998-09-04 2002-12-09 日本電信電話株式会社 情報多重化方法、情報抽出方法および装置
JP2000099061A (ja) * 1998-09-25 2000-04-07 Sony Corp 効果音付加装置
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
US6590983B1 (en) * 1998-10-13 2003-07-08 Srs Labs, Inc. Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input
US6353808B1 (en) 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
GB2344036B (en) 1998-11-23 2004-01-21 Mitel Corp Single-sided subband filters
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
SE9903552D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching
US6507658B1 (en) * 1999-01-27 2003-01-14 Kind Of Loud Technologies, Llc Surround sound panner
JP2000267699A (ja) 1999-03-19 2000-09-29 Nippon Telegr & Teleph Corp <Ntt> 音響信号符号化方法および装置、そのプログラム記録媒体、および音響信号復号装置
US6363338B1 (en) 1999-04-12 2002-03-26 Dolby Laboratories Licensing Corporation Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
US6539357B1 (en) 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US6226616B1 (en) 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
DE60014790T2 (de) * 1999-07-15 2006-02-09 Mitsubishi Denki K.K. Vorrichtung zum Reduzieren von Rauschen
JP2003505967A (ja) 1999-07-27 2003-02-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ フィルタリング装置
JP2001074835A (ja) * 1999-09-01 2001-03-23 Oki Electric Ind Co Ltd バイスタティックソーナーの左右判別方法
JP4639441B2 (ja) 1999-09-01 2011-02-23 ソニー株式会社 ディジタル信号処理装置および処理方法、並びにディジタル信号記録装置および記録方法
DE19947098A1 (de) 1999-09-30 2000-11-09 Siemens Ag Verfahren zur Ermittlung der Kurbelwellenstellung
DE60019268T2 (de) 1999-11-16 2006-02-02 Koninklijke Philips Electronics N.V. Breitbandiges audio-übertragungssystem
CA2290037A1 (en) 1999-11-18 2001-05-18 Voiceage Corporation Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals
US6947509B1 (en) 1999-11-30 2005-09-20 Verance Corporation Oversampled filter bank for subband processing
JP2001184090A (ja) 1999-12-27 2001-07-06 Fuji Techno Enterprise:Kk 信号符号化装置，及び信号復号化装置，並びに信号符号化プログラムを記録したコンピュータ読み取り可能な記録媒体，及び信号復号化プログラムを記録したコンピュータ読み取り可能な記録媒体
KR100359821B1 (ko) 2000-01-20 2002-11-07 엘지전자 주식회사 움직임 보상 적응형 영상 압축과 복원방법 및 그 장치와디코더
US6718300B1 (en) 2000-06-02 2004-04-06 Agere Systems Inc. Method and apparatus for reducing aliasing in cascaded filter banks
US6879652B1 (en) 2000-07-14 2005-04-12 Nielsen Media Research, Inc. Method for encoding an input signal
JP4870896B2 (ja) * 2000-07-19 2012-02-08 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ステレオサラウンド及び／又はオーディオ中央信号を得るマルチチャンネルステレオコンバータ
US20020040299A1 (en) 2000-07-31 2002-04-04 Kenichi Makino Apparatus and method for performing orthogonal transform, apparatus and method for performing inverse orthogonal transform, apparatus and method for performing transform encoding, and apparatus and method for encoding data
CN1470147A (zh) 2000-08-07 2004-01-21 �µ��ǿƼ��ɷ��������޹�˾ 声音信号过滤和压缩的方法与装置
SE0004163D0 (sv) 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
EP1211636A1 (en) 2000-11-29 2002-06-05 STMicroelectronics S.r.l. Filtering device and method for reducing noise in electrical signals, in particular acoustic signals and images
JP4649735B2 (ja) 2000-12-14 2011-03-16 ソニー株式会社 符号化装置および方法、並びに記録媒体
AU2001276588A1 (en) 2001-01-11 2002-07-24 K. P. P. Kalyan Chakravarthy Adaptive-block-length audio coder
SE0101175D0 (sv) 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
US6879955B2 (en) 2001-06-29 2005-04-12 Microsoft Corporation Signal modification based on continuous time warping for low bit rate CELP coding
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CA2354808A1 (en) 2001-08-07 2003-02-07 King Tam Sub-band adaptive signal processing in an oversampled filterbank
CA2354755A1 (en) 2001-08-07 2003-02-07 Dspfactory Ltd. Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
EP1292036B1 (en) 2001-08-23 2012-08-01 Nippon Telegraph And Telephone Corporation Digital signal decoding methods and apparatuses
US6988066B2 (en) 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech
US6895375B2 (en) 2001-10-04 2005-05-17 At&T Corp. System for bandwidth extension of Narrow-band speech
CN1324558C (zh) 2001-11-02 2007-07-04 松下电器产业株式会社 编码设备,解码设备以及音频数据分配系统
US20100042406A1 (en) 2002-03-04 2010-02-18 James David Johnston Audio signal processing using improved perceptual model
US20030215013A1 (en) 2002-04-10 2003-11-20 Budnikov Dmitry N. Audio encoder with adaptive short window grouping
JP3579047B2 (ja) 2002-07-19 2004-10-20 日本電気株式会社 オーディオ復号装置と復号方法およびプログラム
AU2003252727A1 (en) 2002-08-01 2004-02-23 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and audio decoding method based on spectral band repliction
JP3861770B2 (ja) 2002-08-21 2006-12-20 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
US6792057B2 (en) 2002-08-29 2004-09-14 Bae Systems Information And Electronic Systems Integration Inc Partial band reconstruction of frequency channelized filters
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
EP1543307B1 (en) 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
US7191136B2 (en) 2002-10-01 2007-03-13 Ibiquity Digital Corporation Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband
FR2852172A1 (fr) 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
US7318035B2 (en) 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
US7447317B2 (en) 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US6982377B2 (en) 2003-12-18 2006-01-03 Texas Instruments Incorporated Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing
US8354726B2 (en) * 2006-05-19 2013-01-15 Panasonic Corporation Semiconductor device and method for fabricating the same

Also Published As

Publication number Publication date
ES2333278T3 (es) 2010-02-18
EP2015292A1 (en) 2009-01-14
US8073144B2 (en) 2011-12-06
KR20040019042A (ko) 2004-03-04
KR20050100012A (ko) 2005-10-17
US20120213377A1 (en) 2012-08-23
EP1603118A2 (en) 2005-12-07
HK1232335A1 (zh) 2018-01-05
JP2012181539A (ja) 2012-09-20
HK1080979B (zh) 2010-09-17
US20060023895A1 (en) 2006-02-02
KR100666815B1 (ko) 2007-01-09
US7382886B2 (en) 2008-06-03
HK1080207B (zh) 2018-04-27
CN1758337A (zh) 2006-04-12
CN1758335A (zh) 2006-04-12
CN1758337B (zh) 2010-12-08
CN1758338A (zh) 2006-04-12
HK1145728A1 (en) 2011-04-29
US8014534B2 (en) 2011-09-06
HK1080208A1 (en) 2006-04-21
US20060023888A1 (en) 2006-02-02
KR20050099560A (ko) 2005-10-13
EP3477640B1 (en) 2021-09-29
ES2650715T3 (es) 2018-01-22
DK1603118T3 (en) 2018-01-02
JP2006074818A (ja) 2006-03-16
DE60206390T2 (de) 2006-07-13
JP2006085183A (ja) 2006-03-30
KR100666813B1 (ko) 2007-01-09
ES2394768T3 (es) 2013-02-05
HK1080206B (zh) 2010-07-23
EP1410687A1 (en) 2004-04-21
EP1603119A2 (en) 2005-12-07
ATE456124T1 (de) 2010-02-15
US8081763B2 (en) 2011-12-20
EP1600945B1 (en) 2011-02-23
EP1603119B1 (en) 2010-01-20
CN101887724B (zh) 2012-05-30
JP2006087131A (ja) 2006-03-30
EP2249336A1 (en) 2010-11-10
US20090316914A1 (en) 2009-12-24
JP2006087130A (ja) 2006-03-30
CN101996634A (zh) 2011-03-30
HK1080208B (zh) 2011-04-29
ES2338891T3 (es) 2010-05-13
DE60236028D1 (de) 2010-05-27
CN1524400A (zh) 2004-08-25
JP2004535145A (ja) 2004-11-18
JP4700467B2 (ja) 2011-06-15
JP4474347B2 (ja) 2010-06-02
CN1758336A (zh) 2006-04-12
EP1603119A3 (en) 2008-02-06
ATE443909T1 (de) 2009-10-15
ATE499675T1 (de) 2011-03-15
US8243936B2 (en) 2012-08-14
KR20050100011A (ko) 2005-10-17
EP1603118A3 (en) 2008-02-20
JP5186444B2 (ja) 2013-04-17
KR100666814B1 (ko) 2007-01-09
JP4447317B2 (ja) 2010-04-07
DE60239299D1 (de) 2011-04-07
JP5133397B2 (ja) 2013-01-30
DE60235208D1 (de) 2010-03-11
US8059826B2 (en) 2011-11-15
US8116460B2 (en) 2012-02-14
KR100649299B1 (ko) 2006-11-24
CN1279790C (zh) 2006-10-11
HK1062624A1 (en) 2004-11-12
JP2011101406A (ja) 2011-05-19
JP2010020342A (ja) 2010-01-28
EP3104367B1 (en) 2019-01-09
CN1758338B (zh) 2010-11-17
HK1080206A1 (en) 2006-04-21
ES2248570T3 (es) 2006-03-16
EP1603117A3 (en) 2008-02-06
EP2015292B1 (en) 2009-09-23
HK1124950A1 (en) 2009-07-24
EP2249336B1 (en) 2012-09-12
JP5186543B2 (ja) 2013-04-17
EP1603117B1 (en) 2010-04-14
KR20050099559A (ko) 2005-10-13
KR100679376B1 (ko) 2007-02-05
HK1080979A1 (en) 2006-05-04
CN1758335B (zh) 2010-10-06
EP1600945A3 (en) 2008-02-13
JP5427270B2 (ja) 2014-02-26
US20100046761A1 (en) 2010-02-25
PT1603118T (pt) 2017-12-22
EP1600945A2 (en) 2005-11-30
EP1410687B1 (en) 2005-09-28
DE60233835D1 (de) 2009-11-05
ATE305715T1 (de) 2005-10-15
CN101887724A (zh) 2010-11-17
DK3104367T3 (en) 2019-04-15
ES2714153T3 (es) 2019-05-27
JP4878384B2 (ja) 2012-02-15
EP3477640A1 (en) 2019-05-01
DK2015292T3 (da) 2010-01-04
US20060023891A1 (en) 2006-02-02
ES2344145T3 (es) 2010-08-19
JP2009217290A (ja) 2009-09-24
DE60206390D1 (de) 2005-11-03
ATE464636T1 (de) 2010-04-15
CN1758336B (zh) 2010-08-18
WO2003007656A1 (en) 2003-01-23
CN101996634B (zh) 2012-07-18
EP1603118B1 (en) 2017-09-20
DK2249336T3 (da) 2013-01-02
PT3104367T (pt) 2019-03-14
US20060029231A1 (en) 2006-02-09
EP1603117A2 (en) 2005-12-07
US9218818B2 (en) 2015-12-22
US20050053242A1 (en) 2005-03-10
EP3104367A1 (en) 2016-12-14
JP4786987B2 (ja) 2011-10-05
JP2011034102A (ja) 2011-02-17

Similar Documents

Publication Publication Date Title
SE0202159D0 (sv) Efficientand scalable parametric stereo coding for low bitrate applications
KR101021079B1 (ko) 파라메트릭 다채널 오디오 표현
RU2014112936A (ru) Усовершенствованное стереофоническое кодирование на основе комбинации адаптивно выбираемого левого/правого или среднего/побочного стереофонического кодирования и параметрического стереофонического кодирования
RU2495503C2 (ru) Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций
JP2004535145A5 (sv)
AU2019216363B2 (en) Audio scene encoder, audio scene decoder and related methods using hybrid encoder/decoder spatial analysis
AU2002352182A1 (en) Methods for improving high frequency reconstruction
EP2041742B1 (en) Apparatus and method for restoring multi-channel audio signal using he-aac decoder and mpeg surround decoder
RU2010152580A (ru) Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
Lindblom et al. Flexible sum-difference stereo coding based on time-aligned signal components
JP2007110565A (ja) マルチチャンネル音響復号化装置及び方法
KR20070037977A (ko) 다채널 오디오 신호의 인코딩 방법 및 장치 그리고인코딩된 신호의 디코딩 방법