HK1080979B - 用於低比特率音頻編碼應用高效可標度參數立體聲編碼 - Google Patents

用於低比特率音頻編碼應用高效可標度參數立體聲編碼

Info

Publication number
HK1080979B
HK1080979B HK06100060.9A HK06100060A HK1080979B HK 1080979 B HK1080979 B HK 1080979B HK 06100060 A HK06100060 A HK 06100060A HK 1080979 B HK1080979 B HK 1080979B
Authority
HK
Hong Kong
Prior art keywords
stereo
coding
efficient
parametric stereo
low bitrate
Prior art date
Application number
HK06100060.9A
Other languages
English (en)
Other versions
HK1080979A1 (en
Inventor
Frederik Henn
Kristofer Kjörling
Lars Liljeryd
Jonas Röden
Jonas Engdegard
Original Assignee
杜比國際公司
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=HK1080979(B) "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/xx
Priority claimed from SE0200796A external-priority patent/SE0200796D0/xx
Application filed by 杜比國際公司 filed Critical 杜比國際公司
Publication of HK1080979A1 publication Critical patent/HK1080979A1/xx
Publication of HK1080979B publication Critical patent/HK1080979B/zh

Links

Classifications

    • 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
    • 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
    • G10L19/008—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)
HK06100060.9A 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 HK1080979B (zh)

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 (2)

Publication Number Publication Date
HK1080979A1 HK1080979A1 (en) 2006-05-04
HK1080979B true HK1080979B (zh) 2010-09-17

Family

ID=27354735

Family Applications (8)

Application Number Title Priority Date Filing Date
HK04105508A HK1062624A1 (en) 2001-07-10 2004-07-27 Efficient and scalable parametric stereo coding for low bitrate applications.
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
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
HK17105908.1A HK1232335A1 (zh) 2001-07-10 2006-01-04 參數立體聲音頻解碼
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
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
HK09101999.0A HK1124950A1 (en) 2001-07-10 2009-03-03 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
HK10112237.6A HK1145728A1 (en) 2001-07-10 2010-12-30 Method and receiver for high frequency reconstruction of a stereo audio signal

Family Applications Before (4)

Application Number Title Priority Date Filing Date
HK04105508A HK1062624A1 (en) 2001-07-10 2004-07-27 Efficient and scalable parametric stereo coding for low bitrate applications.
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
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
HK17105908.1A HK1232335A1 (zh) 2001-07-10 2006-01-04 參數立體聲音頻解碼

Family Applications After (3)

Application Number Title Priority Date Filing Date
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
HK09101999.0A HK1124950A1 (en) 2001-07-10 2009-03-03 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
HK10112237.6A HK1145728A1 (en) 2001-07-10 2010-12-30 Method and receiver for high frequency reconstruction of a stereo audio signal

Country Status (13)

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

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