CA2527971C - Fidelity-optimised variable frame length encoding - Google Patents
Fidelity-optimised variable frame length encoding Download PDFInfo
- Publication number
- CA2527971C CA2527971C CA2527971A CA2527971A CA2527971C CA 2527971 C CA2527971 C CA 2527971C CA 2527971 A CA2527971 A CA 2527971A CA 2527971 A CA2527971 A CA 2527971A CA 2527971 C CA2527971 C CA 2527971C
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2690885A CA2690885C (en) | 2003-12-19 | 2004-12-15 | Fidelity-optimised variable frame length encoding |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0303501-1 | 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 |
| SE0400417-2 | 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 |
|---|---|---|---|
| CA2690885A Division CA2690885C (en) | 2003-12-19 | 2004-12-15 | Fidelity-optimised variable frame length encoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2527971A1 CA2527971A1 (en) | 2005-06-30 |
| CA2527971C true CA2527971C (en) | 2011-03-15 |
Family
ID=31996354
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2690885A Active CA2690885C (en) | 2003-12-19 | 2004-12-15 | Fidelity-optimised variable frame length encoding |
| CA2527971A Active CA2527971C (en) | 2003-12-19 | 2004-12-15 | Fidelity-optimised variable frame length encoding |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2690885A Active CA2690885C (en) | 2003-12-19 | 2004-12-15 | Fidelity-optimised variable frame length encoding |
Country Status (15)
| Country | Link |
|---|---|
| EP (2) | EP1845519B1 (ja) |
| JP (2) | JP4335917B2 (ja) |
| CN (2) | CN101118747B (ja) |
| AT (2) | ATE443317T1 (ja) |
| AU (1) | AU2004298708B2 (ja) |
| BR (2) | BRPI0419281B1 (ja) |
| CA (2) | CA2690885C (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 (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100981699B1 (ko) * | 2002-07-12 | 2010-09-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 코딩 |
| 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 |
| JP2009500657A (ja) | 2005-06-30 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
| WO2007004833A2 (en) | 2005-06-30 | 2007-01-11 | Lg Electronics Inc. | Method and apparatus for encoding and decoding an audio signal |
| EP1946294A2 (en) | 2005-06-30 | 2008-07-23 | LG Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| US7411528B2 (en) * | 2005-07-11 | 2008-08-12 | Lg Electronics Co., Ltd. | Apparatus and method of processing an audio signal |
| US7788107B2 (en) | 2005-08-30 | 2010-08-31 | Lg Electronics Inc. | Method for decoding an audio signal |
| KR20080049735A (ko) | 2005-08-30 | 2008-06-04 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
| US8577483B2 (en) | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
| US7765104B2 (en) | 2005-08-30 | 2010-07-27 | Lg Electronics Inc. | Slot position coding of residual signals of spatial audio coding application |
| WO2007040365A1 (en) | 2005-10-05 | 2007-04-12 | 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 |
| 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 |
| US7672379B2 (en) | 2005-10-05 | 2010-03-02 | Lg Electronics Inc. | Audio signal processing, encoding, and decoding |
| KR100857120B1 (ko) | 2005-10-05 | 2008-09-05 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
| 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 |
| US7716043B2 (en) | 2005-10-24 | 2010-05-11 | 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 |
| EP1982328A1 (en) | 2006-02-06 | 2008-10-22 | 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 |
| BR122020009732B1 (pt) | 2008-05-23 | 2021-01-19 | Koninklijke Philips N.V. | Método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de downmix mono com base em parâmetros espaciais, meio legível por computador não transitório, aparelho de downmix estéreo paramétrico para a geração de um sinal de downmix mono a partir de um sinal esquerdo e de um sinal direito com base em parâmetros espaciais e método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base em parâmetros espaciais |
| 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 |
| RU2481650C2 (ru) * | 2008-09-17 | 2013-05-10 | Франс Телеком | Ослабление опережающих эхо-сигналов в цифровом звуковом сигнале |
| 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 |
| WO2011013381A1 (ja) * | 2009-07-31 | 2011-02-03 | パナソニック株式会社 | 符号化装置および復号装置 |
| WO2011048798A1 (ja) * | 2009-10-20 | 2011-04-28 | パナソニック株式会社 | 符号化装置、復号化装置およびこれらの方法 |
| 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 |
| US8428936B2 (en) | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
| US8423355B2 (en) | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder 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 |
| KR102259112B1 (ko) * | 2012-11-15 | 2021-05-31 | 가부시키가이샤 엔.티.티.도코모 | 음성 부호화 장치, 음성 부호화 방법, 음성 부호화 프로그램, 음성 복호 장치, 음성 복호 방법 및 음성 복호 프로그램 |
| KR102636396B1 (ko) | 2015-09-25 | 2024-02-15 | 보이세지 코포레이션 | 스테레오 사운드 신호를 1차 및 2차 채널로 시간 영역 다운 믹싱하기 위해 좌측 및 우측 채널들간의 장기 상관 차이를 이용하는 방법 및 시스템 |
| 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 |
| CN110728986B (zh) | 2018-06-29 | 2022-10-18 | 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 |
| CN112233682A (zh) * | 2019-06-29 | 2021-01-15 | 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 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5434948A (en) * | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
| NL9100173A (nl) * | 1991-02-01 | 1992-09-01 | Philips Nv | Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting. |
| 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 |
| US5812971A (en) * | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
| US5796842A (en) * | 1996-06-07 | 1998-08-18 | That Corporation | BTSC encoder |
| US6463410B1 (en) * | 1998-10-13 | 2002-10-08 | Victor Company Of Japan, Ltd. | Audio signal processing apparatus |
| 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 |
| JP3335605B2 (ja) * | 2000-03-13 | 2002-10-21 | 日本電信電話株式会社 | ステレオ信号符号化方法 |
| ATE320651T1 (de) * | 2001-05-08 | 2006-04-15 | Koninkl Philips Electronics Nv | Kodieren eines audiosignals |
| JP2003084790A (ja) * | 2001-09-17 | 2003-03-19 | Matsushita Electric Ind Co Ltd | 台詞成分強調装置 |
| CN1219415C (zh) * | 2002-07-23 | 2005-09-14 | 华南理工大学 | 一种5.1通路环绕声的耳机重发的信号处理方法 |
-
2004
- 2004-02-20 SE SE0400417A patent/SE527670C2/sv unknown
- 2004-12-15 CA CA2690885A patent/CA2690885C/en active Active
- 2004-12-15 BR BRPI0419281-8A patent/BRPI0419281B1/pt not_active IP Right Cessation
- 2004-12-15 BR BRPI0410856A patent/BRPI0410856B8/pt active IP Right Grant
- 2004-12-15 AT AT07109801T patent/ATE443317T1/de not_active IP Right Cessation
- 2004-12-15 DE DE602004023240T patent/DE602004023240D1/de active Active
- 2004-12-15 RU RU2005134365/09A patent/RU2305870C2/ru active
- 2004-12-15 WO PCT/SE2004/001867 patent/WO2005059899A1/en active IP Right Grant
- 2004-12-15 AU AU2004298708A patent/AU2004298708B2/en active Active
- 2004-12-15 EP EP07109801A patent/EP1845519B1/en active Active
- 2004-12-15 PL PL04820553T patent/PL1623411T3/pl unknown
- 2004-12-15 CN CN200710138487XA patent/CN101118747B/zh not_active Expired - Fee Related
- 2004-12-15 AT AT04820553T patent/ATE371924T1/de not_active IP Right Cessation
- 2004-12-15 MX MXPA05012230A patent/MXPA05012230A/es active IP Right Grant
- 2004-12-15 DE DE602004008613T patent/DE602004008613T2/de active Active
- 2004-12-15 ZA ZA200508980A patent/ZA200508980B/xx unknown
- 2004-12-15 EP EP04820553A patent/EP1623411B1/en active Active
- 2004-12-15 CA CA2527971A patent/CA2527971C/en active Active
- 2004-12-15 JP JP2006518596A patent/JP4335917B2/ja not_active Expired - Fee Related
- 2004-12-15 CN CNB2004800186630A patent/CN100559465C/zh active Active
-
2006
- 2006-11-01 HK HK06112026.7A patent/HK1091585A1/xx unknown
- 2006-11-01 HK HK08106066.8A patent/HK1115665A1/xx unknown
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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
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Legal Events
| Date | Code | Title | Description |
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| EEER | Examination request |