ES2549953T3 - Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada - Google Patents
Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada Download PDFInfo
- Publication number
- ES2549953T3 ES2549953T3 ES12187265.9T ES12187265T ES2549953T3 ES 2549953 T3 ES2549953 T3 ES 2549953T3 ES 12187265 T ES12187265 T ES 12187265T ES 2549953 T3 ES2549953 T3 ES 2549953T3
- Authority
- ES
- Spain
- Prior art keywords
- audio signal
- frequency band
- encoded audio
- signal
- reproduction
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000005236 sound signal Effects 0.000 title abstract 14
- 238000000034 method Methods 0.000 title 2
- 238000004590 computer program Methods 0.000 title 1
Classifications
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- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
-
- 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
- G10L19/26—Pre-filtering or post-filtering
-
- 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Un aparato para la reproducción de una señal de audio sobre la base de primeros datos (120; 321; 705) que representan una versión codificada de una primera porción de la señal de audio en una primera banda de frecuencia, y segundos datos (126; 322; 708) que representan información lateral sobre una segunda porción de la señal de audio en una segunda banda de frecuencia, donde la segunda banda de frecuencia comprende frecuencias más altas que la primera banda de frecuencia, donde dicho dispositivo comprende: un primer reproductor (100) configurado para reproducir la primera porción (777) de la señal de audio sobre la base de los primeros datos (120; 321; 705); un proveedor (102; 200, 202a) configurado para proporcionar una señal de parche (122; 204) en la segunda banda de frecuencia, donde la señal de parche (122; 204) está al menos parcialmente no correlacionada con respecto a la primera porción (777) de la señal de audio, o es al menos parcialmente una versión descorrelacionada de la primera porción (777) de la señal de audio, que se ha desplazado hacia la segunda banda de frecuencia; un segundo reproductor (106) configurado para reproducir la segunda porción de la señal de audio en la segunda banda de frecuencia sobre la base de los segundos datos (126; 322; 708) y la señal de parche (122; 204); y un combinador (104) para la combinación de la primera porción reproducida (777) de la señal de audio y la señal de parche (122; 204) antes de que la segunda porción de la señal de audio sea reproducida por el segundo reproductor, o para la combinación de la primera porción reproducida (777) de la señal de audio y la segunda porción reproducida de la señal de audio.
Description
Claims (1)
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imagen1 imagen2 imagen3
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261693575P | 2012-08-27 | 2012-08-27 | |
US201261693575P | 2012-08-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2549953T3 true ES2549953T3 (es) | 2015-11-03 |
Family
ID=47010331
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES12187265.9T Active ES2549953T3 (es) | 2012-08-27 | 2012-10-04 | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada |
ES13756417.5T Active ES2593072T3 (es) | 2012-08-27 | 2013-08-27 | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada y programa de ordenador correspondiente |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES13756417.5T Active ES2593072T3 (es) | 2012-08-27 | 2013-08-27 | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada y programa de ordenador correspondiente |
Country Status (15)
Country | Link |
---|---|
US (1) | US9305564B2 (es) |
EP (2) | EP2704142B1 (es) |
JP (1) | JP6229957B2 (es) |
KR (1) | KR101711312B1 (es) |
CN (1) | CN104603872B (es) |
AR (1) | AR092228A1 (es) |
BR (1) | BR112015004556B1 (es) |
CA (1) | CA2882775C (es) |
ES (2) | ES2549953T3 (es) |
MX (1) | MX347592B (es) |
PL (1) | PL2888737T3 (es) |
PT (1) | PT2888737T (es) |
RU (1) | RU2607262C2 (es) |
TW (1) | TWI523004B (es) |
WO (1) | WO2014033131A1 (es) |
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WO2014126688A1 (en) * | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
WO2015017223A1 (en) * | 2013-07-29 | 2015-02-05 | Dolby Laboratories Licensing Corporation | System and method for reducing temporal artifacts for transient signals in a decorrelator circuit |
US9831843B1 (en) | 2013-09-05 | 2017-11-28 | Cirrus Logic, Inc. | Opportunistic playback state changes for audio devices |
US9774342B1 (en) | 2014-03-05 | 2017-09-26 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
US10284217B1 (en) | 2014-03-05 | 2019-05-07 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
US10785568B2 (en) | 2014-06-26 | 2020-09-22 | Cirrus Logic, Inc. | Reducing audio artifacts in a system for enhancing dynamic range of audio signal path |
EP2980792A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating an enhanced signal using independent noise-filling |
EP2980789A1 (en) * | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhancing an audio signal, sound enhancing system |
US9596537B2 (en) | 2014-09-11 | 2017-03-14 | Cirrus Logic, Inc. | Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement |
CN104195726B (zh) * | 2014-09-23 | 2016-04-13 | 宜兴市华恒高性能纤维织造有限公司 | 一种自动化2.5d立体编织装置 |
US9503027B2 (en) | 2014-10-27 | 2016-11-22 | Cirrus Logic, Inc. | Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator |
WO2016200391A1 (en) * | 2015-06-11 | 2016-12-15 | Interactive Intelligence Group, Inc. | System and method for outlier identification to remove poor alignments in speech synthesis |
US9959856B2 (en) | 2015-06-15 | 2018-05-01 | Cirrus Logic, Inc. | Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter |
US9955254B2 (en) | 2015-11-25 | 2018-04-24 | Cirrus Logic, Inc. | Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system |
US9543975B1 (en) | 2015-12-29 | 2017-01-10 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths |
US9880802B2 (en) | 2016-01-21 | 2018-01-30 | Cirrus Logic, Inc. | Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system |
US9998826B2 (en) | 2016-06-28 | 2018-06-12 | Cirrus Logic, Inc. | Optimization of performance and power in audio system |
US10545561B2 (en) | 2016-08-10 | 2020-01-28 | Cirrus Logic, Inc. | Multi-path digitation based on input signal fidelity and output requirements |
US10263630B2 (en) | 2016-08-11 | 2019-04-16 | Cirrus Logic, Inc. | Multi-path analog front end with adaptive path |
US9813814B1 (en) | 2016-08-23 | 2017-11-07 | Cirrus Logic, Inc. | Enhancing dynamic range based on spectral content of signal |
US9780800B1 (en) | 2016-09-19 | 2017-10-03 | Cirrus Logic, Inc. | Matching paths in a multiple path analog-to-digital converter |
US9929703B1 (en) | 2016-09-27 | 2018-03-27 | Cirrus Logic, Inc. | Amplifier with configurable final output stage |
US9967665B2 (en) * | 2016-10-05 | 2018-05-08 | Cirrus Logic, Inc. | Adaptation of dynamic range enhancement based on noise floor of signal |
EP3382703A1 (en) | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and methods for processing an audio signal |
US10321230B2 (en) | 2017-04-07 | 2019-06-11 | Cirrus Logic, Inc. | Switching in an audio system with multiple playback paths |
US10008992B1 (en) | 2017-04-14 | 2018-06-26 | Cirrus Logic, Inc. | Switching in amplifier with configurable final output stage |
US9917557B1 (en) | 2017-04-17 | 2018-03-13 | Cirrus Logic, Inc. | Calibration for amplifier with configurable final output stage |
EP3435376B1 (en) * | 2017-07-28 | 2020-01-22 | Fujitsu Limited | Audio encoding apparatus and audio encoding method |
US11158297B2 (en) * | 2020-01-13 | 2021-10-26 | International Business Machines Corporation | Timbre creation system |
GB202203733D0 (en) * | 2022-03-17 | 2022-05-04 | Samsung Electronics Co Ltd | Patched multi-condition training for robust speech recognition |
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SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
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MY150373A (en) * | 2008-07-11 | 2013-12-31 | Fraunhofer Ges Forschung | Apparatus and method for calculating bandwidth extension data using a spectral tilt controlled framing |
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JP4932917B2 (ja) * | 2009-04-03 | 2012-05-16 | 株式会社エヌ・ティ・ティ・ドコモ | 音声復号装置、音声復号方法、及び音声復号プログラム |
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CN103026407B (zh) * | 2010-05-25 | 2015-08-26 | 诺基亚公司 | 带宽扩展器 |
KR101697550B1 (ko) * | 2010-09-16 | 2017-02-02 | 삼성전자주식회사 | 멀티채널 오디오 대역폭 확장 장치 및 방법 |
WO2012158333A1 (en) * | 2011-05-19 | 2012-11-22 | Dolby Laboratories Licensing Corporation | Forensic detection of parametric audio coding schemes |
-
2012
- 2012-10-04 EP EP12187265.9A patent/EP2704142B1/en active Active
- 2012-10-04 ES ES12187265.9T patent/ES2549953T3/es active Active
-
2013
- 2013-08-26 TW TW102130443A patent/TWI523004B/zh active
- 2013-08-26 AR ARP130103011A patent/AR092228A1/es active IP Right Grant
- 2013-08-27 PT PT137564175T patent/PT2888737T/pt unknown
- 2013-08-27 JP JP2015528988A patent/JP6229957B2/ja active Active
- 2013-08-27 BR BR112015004556-1A patent/BR112015004556B1/pt active IP Right Grant
- 2013-08-27 MX MX2015002509A patent/MX347592B/es active IP Right Grant
- 2013-08-27 PL PL13756417.5T patent/PL2888737T3/pl unknown
- 2013-08-27 CA CA2882775A patent/CA2882775C/en active Active
- 2013-08-27 KR KR1020157007971A patent/KR101711312B1/ko active IP Right Grant
- 2013-08-27 ES ES13756417.5T patent/ES2593072T3/es active Active
- 2013-08-27 EP EP13756417.5A patent/EP2888737B1/en active Active
- 2013-08-27 WO PCT/EP2013/067730 patent/WO2014033131A1/en active Application Filing
- 2013-08-27 RU RU2015110702A patent/RU2607262C2/ru active
- 2013-08-27 CN CN201380045118.XA patent/CN104603872B/zh active Active
-
2015
- 2015-02-27 US US14/634,118 patent/US9305564B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2704142A1 (en) | 2014-03-05 |
MX347592B (es) | 2017-05-03 |
US9305564B2 (en) | 2016-04-05 |
RU2607262C2 (ru) | 2017-01-10 |
CN104603872B (zh) | 2017-08-11 |
JP2015526769A (ja) | 2015-09-10 |
KR20150047607A (ko) | 2015-05-04 |
EP2888737A1 (en) | 2015-07-01 |
WO2014033131A1 (en) | 2014-03-06 |
AR092228A1 (es) | 2015-04-08 |
EP2888737B1 (en) | 2016-06-22 |
BR112015004556B1 (pt) | 2021-10-13 |
PL2888737T3 (pl) | 2016-12-30 |
US20150170663A1 (en) | 2015-06-18 |
RU2015110702A (ru) | 2016-10-20 |
EP2704142B1 (en) | 2015-09-02 |
ES2593072T3 (es) | 2016-12-05 |
CA2882775C (en) | 2017-08-29 |
CA2882775A1 (en) | 2014-03-06 |
JP6229957B2 (ja) | 2017-11-15 |
TWI523004B (zh) | 2016-02-21 |
MX2015002509A (es) | 2015-06-10 |
KR101711312B1 (ko) | 2017-02-28 |
TW201419269A (zh) | 2014-05-16 |
BR112015004556A2 (pt) | 2017-07-04 |
PT2888737T (pt) | 2016-10-04 |
CN104603872A (zh) | 2015-05-06 |
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