CN100559465C - 保真度优化的可变帧长编码 - Google Patents
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- CN100559465C CN100559465C CNB2004800186630A CN200480018663A CN100559465C CN 100559465 C CN100559465 C CN 100559465C CN B2004800186630 A CNB2004800186630 A CN B2004800186630A CN 200480018663 A CN200480018663 A CN 200480018663A CN 100559465 C CN100559465 C CN 100559465C
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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
- G10L19/008—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Endoscopes (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE03035011 | 2003-12-19 | ||
SE0303501A SE0303501D0 (sv) | 2003-12-19 | 2003-12-19 | Filter-based parametric multi-channel coding |
SE0400417A SE527670C2 (sv) | 2003-12-19 | 2004-02-20 | Naturtrogenhetsoptimerad kodning med variabel ramlängd |
SE04004172 | 2004-02-20 | ||
PCT/SE2004/001867 WO2005059899A1 (en) | 2003-12-19 | 2004-12-15 | Fidelity-optimised variable frame length encoding |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710138487XA Division CN101118747B (zh) | 2003-12-19 | 2004-12-15 | 保真度优化的预回声抑制编码 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1816847A CN1816847A (zh) | 2006-08-09 |
CN100559465C true CN100559465C (zh) | 2009-11-11 |
Family
ID=31996354
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800186630A Active CN100559465C (zh) | 2003-12-19 | 2004-12-15 | 保真度优化的可变帧长编码 |
CN200710138487XA Expired - Fee Related CN101118747B (zh) | 2003-12-19 | 2004-12-15 | 保真度优化的预回声抑制编码 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710138487XA Expired - Fee Related CN101118747B (zh) | 2003-12-19 | 2004-12-15 | 保真度优化的预回声抑制编码 |
Country Status (15)
Country | Link |
---|---|
EP (2) | EP1845519B1 (ja) |
JP (2) | JP4335917B2 (ja) |
CN (2) | CN100559465C (ja) |
AT (2) | ATE443317T1 (ja) |
AU (1) | AU2004298708B2 (ja) |
BR (2) | BRPI0419281B1 (ja) |
CA (2) | CA2527971C (ja) |
DE (2) | DE602004023240D1 (ja) |
HK (2) | HK1091585A1 (ja) |
MX (1) | MXPA05012230A (ja) |
PL (1) | PL1623411T3 (ja) |
RU (2) | RU2305870C2 (ja) |
SE (1) | SE527670C2 (ja) |
WO (1) | WO2005059899A1 (ja) |
ZA (1) | ZA200508980B (ja) |
Families Citing this family (51)
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BRPI0305434B1 (pt) * | 2002-07-12 | 2017-06-27 | Koninklijke Philips Electronics N.V. | Methods and arrangements for encoding and decoding a multichannel audio signal, and multichannel audio coded signal |
US8214220B2 (en) | 2005-05-26 | 2012-07-03 | Lg Electronics Inc. | Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal |
JP4639966B2 (ja) * | 2005-05-31 | 2011-02-23 | ヤマハ株式会社 | オーディオデータ圧縮方法およびオーディオデータ圧縮回路並びにオーディオデータ伸張回路 |
US8494667B2 (en) | 2005-06-30 | 2013-07-23 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
AU2006266655B2 (en) | 2005-06-30 | 2009-08-20 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
EP1913578B1 (en) | 2005-06-30 | 2012-08-01 | LG Electronics Inc. | Method and apparatus for decoding an audio signal |
US8032368B2 (en) | 2005-07-11 | 2011-10-04 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signals using hierarchical block swithcing and linear prediction coding |
US7788107B2 (en) | 2005-08-30 | 2010-08-31 | Lg Electronics Inc. | Method for decoding an audio signal |
EP1938311B1 (en) | 2005-08-30 | 2018-05-02 | LG Electronics Inc. | Apparatus for decoding audio signals and method thereof |
US7987097B2 (en) | 2005-08-30 | 2011-07-26 | Lg Electronics | Method for decoding an audio signal |
US8577483B2 (en) | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
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 |
WO2007040353A1 (en) | 2005-10-05 | 2007-04-12 | Lg Electronics Inc. | Method and apparatus for signal processing |
KR100857115B1 (ko) | 2005-10-05 | 2008-09-05 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
US7751485B2 (en) | 2005-10-05 | 2010-07-06 | Lg Electronics Inc. | Signal processing using pilot based coding |
US7672379B2 (en) | 2005-10-05 | 2010-03-02 | Lg Electronics Inc. | Audio signal processing, encoding, and decoding |
US7646319B2 (en) | 2005-10-05 | 2010-01-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
US7742913B2 (en) | 2005-10-24 | 2010-06-22 | Lg Electronics Inc. | Removing time delays in signal paths |
WO2007080211A1 (en) * | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
US7752053B2 (en) | 2006-01-13 | 2010-07-06 | Lg Electronics Inc. | Audio signal processing using pilot based coding |
WO2007091927A1 (en) * | 2006-02-06 | 2007-08-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Variable frame offset coding |
US7461106B2 (en) | 2006-09-12 | 2008-12-02 | Motorola, Inc. | Apparatus and method for low complexity combinatorial coding of signals |
US8576096B2 (en) | 2007-10-11 | 2013-11-05 | Motorola Mobility Llc | Apparatus and method for low complexity combinatorial coding of signals |
US8209190B2 (en) | 2007-10-25 | 2012-06-26 | Motorola Mobility, Inc. | Method and apparatus for generating an enhancement layer within an audio coding system |
US7889103B2 (en) | 2008-03-13 | 2011-02-15 | Motorola Mobility, Inc. | Method and apparatus for low complexity combinatorial coding of signals |
US8639519B2 (en) | 2008-04-09 | 2014-01-28 | Motorola Mobility Llc | Method and apparatus for selective signal coding based on core encoder performance |
EP2124486A1 (de) * | 2008-05-13 | 2009-11-25 | Clemens Par | Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals |
KR101629862B1 (ko) * | 2008-05-23 | 2016-06-24 | 코닌클리케 필립스 엔.브이. | 파라메트릭 스테레오 업믹스 장치, 파라메트릭 스테레오 디코더, 파라메트릭 스테레오 다운믹스 장치, 파라메트릭 스테레오 인코더 |
JPWO2010016270A1 (ja) * | 2008-08-08 | 2012-01-19 | 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 |
CN102160114B (zh) * | 2008-09-17 | 2012-08-29 | 法国电信公司 | 用于对数字音频信号中的前回声进行衰减的方法和装置 |
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 |
US8200496B2 (en) | 2008-12-29 | 2012-06-12 | Motorola Mobility, Inc. | Audio signal decoder and method for producing a scaled reconstructed audio signal |
US8175888B2 (en) | 2008-12-29 | 2012-05-08 | Motorola Mobility, Inc. | Enhanced layered gain factor balancing within a multiple-channel audio coding system |
US8219408B2 (en) | 2008-12-29 | 2012-07-10 | Motorola Mobility, Inc. | Audio signal decoder and method for producing a scaled reconstructed audio signal |
US8140342B2 (en) | 2008-12-29 | 2012-03-20 | Motorola Mobility, Inc. | Selective scaling mask computation based on peak detection |
EP2461321B1 (en) * | 2009-07-31 | 2018-05-16 | Panasonic Intellectual Property Management Co., Ltd. | Coding device and decoding device |
US8977546B2 (en) * | 2009-10-20 | 2015-03-10 | Panasonic Intellectual Property Corporation Of America | Encoding device, decoding device and method for both |
EP2346028A1 (en) * | 2009-12-17 | 2011-07-20 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal |
CN102770913B (zh) * | 2009-12-23 | 2015-10-07 | 诺基亚公司 | 稀疏音频 |
US8442837B2 (en) | 2009-12-31 | 2013-05-14 | Motorola Mobility Llc | Embedded speech and audio coding using a switchable model core |
US8423355B2 (en) | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
US8428936B2 (en) | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
EP2544465A1 (en) * | 2011-07-05 | 2013-01-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
US9129600B2 (en) | 2012-09-26 | 2015-09-08 | Google Technology Holdings LLC | Method and apparatus for encoding an audio signal |
PL2922053T3 (pl) * | 2012-11-15 | 2019-11-29 | Ntt Docomo Inc | Urządzenie do kodowania audio, sposób kodowania audio, program do kodowania audio, urządzenie do dekodowania audio, sposób dekodowania audio, i program do dekodowania audio |
US10060955B2 (en) * | 2014-06-25 | 2018-08-28 | Advanced Micro Devices, Inc. | Calibrating power supply voltages using reference measurements from code loop executions |
ES2955962T3 (es) | 2015-09-25 | 2023-12-11 | Voiceage Corp | Método y sistema que utiliza una diferencia de correlación a largo plazo entre los canales izquierdo y derecho para mezcla descendente en el dominio del tiempo de una señal de sonido estéreo en canales primarios y secundarios |
CN107742521B (zh) | 2016-08-10 | 2021-08-13 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
CN109215668B (zh) * | 2017-06-30 | 2021-01-05 | 华为技术有限公司 | 一种声道间相位差参数的编码方法及装置 |
CN115831130A (zh) * | 2018-06-29 | 2023-03-21 | 华为技术有限公司 | 立体声信号的编码方法、解码方法、编码装置和解码装置 |
CN112233682B (zh) * | 2019-06-29 | 2024-07-16 | 华为技术有限公司 | 一种立体声编码方法、立体声解码方法和装置 |
Citations (7)
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EP0497413A1 (en) * | 1991-02-01 | 1992-08-05 | Koninklijke Philips Electronics N.V. | Subband coding system and a transmitter comprising the coding system |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
US5434948A (en) * | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
US5694332A (en) * | 1994-12-13 | 1997-12-02 | Lsi Logic Corporation | MPEG audio decoding system with subframe input buffering |
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 |
CN1357136A (zh) * | 1999-06-21 | 2002-07-03 | 数字剧场系统股份有限公司 | 不损失译码器兼容性下低比特率音频编码系统的音质提高 |
US20030061055A1 (en) * | 2001-05-08 | 2003-03-27 | Rakesh Taori | Audio coding |
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-
2004
- 2004-02-20 SE SE0400417A patent/SE527670C2/sv unknown
- 2004-12-15 AU AU2004298708A patent/AU2004298708B2/en not_active Ceased
- 2004-12-15 EP EP07109801A patent/EP1845519B1/en active Active
- 2004-12-15 DE DE602004023240T patent/DE602004023240D1/de active Active
- 2004-12-15 CA CA2527971A patent/CA2527971C/en active Active
- 2004-12-15 DE DE602004008613T patent/DE602004008613T2/de active Active
- 2004-12-15 MX MXPA05012230A patent/MXPA05012230A/es active IP Right Grant
- 2004-12-15 CA CA2690885A patent/CA2690885C/en active Active
- 2004-12-15 CN CNB2004800186630A patent/CN100559465C/zh active Active
- 2004-12-15 PL PL04820553T patent/PL1623411T3/pl unknown
- 2004-12-15 AT AT07109801T patent/ATE443317T1/de not_active IP Right Cessation
- 2004-12-15 ZA ZA200508980A patent/ZA200508980B/xx unknown
- 2004-12-15 JP JP2006518596A patent/JP4335917B2/ja not_active Expired - Fee Related
- 2004-12-15 BR BRPI0419281-8A patent/BRPI0419281B1/pt not_active IP Right Cessation
- 2004-12-15 WO PCT/SE2004/001867 patent/WO2005059899A1/en active IP Right Grant
- 2004-12-15 CN CN200710138487XA patent/CN101118747B/zh not_active Expired - Fee Related
- 2004-12-15 BR BRPI0410856A patent/BRPI0410856B8/pt active IP Right Grant
- 2004-12-15 RU RU2005134365/09A patent/RU2305870C2/ru active
- 2004-12-15 AT AT04820553T patent/ATE371924T1/de not_active IP Right Cessation
- 2004-12-15 EP EP04820553A patent/EP1623411B1/en active Active
-
2006
- 2006-11-01 HK HK06112026.7A patent/HK1091585A1/xx not_active IP Right Cessation
- 2006-11-01 HK HK08106066.8A patent/HK1115665A1/xx not_active IP Right Cessation
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2007
- 2007-06-05 RU RU2007121143/09A patent/RU2425340C2/ru active
- 2007-08-22 JP JP2007216374A patent/JP4589366B2/ja not_active Expired - Fee Related
Patent Citations (7)
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US5434948A (en) * | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
EP0497413A1 (en) * | 1991-02-01 | 1992-08-05 | Koninklijke Philips Electronics N.V. | Subband coding system and a transmitter comprising the coding system |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
US5694332A (en) * | 1994-12-13 | 1997-12-02 | Lsi Logic Corporation | MPEG audio decoding system with subframe input buffering |
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 |
CN1357136A (zh) * | 1999-06-21 | 2002-07-03 | 数字剧场系统股份有限公司 | 不损失译码器兼容性下低比特率音频编码系统的音质提高 |
US20030061055A1 (en) * | 2001-05-08 | 2003-03-27 | Rakesh Taori | Audio coding |
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