BR112013016267A2 - codificação de som com baixo retardo alternando a codificação predictiva e codificação por transformada - Google Patents
codificação de som com baixo retardo alternando a codificação predictiva e codificação por transformadaInfo
- Publication number
- BR112013016267A2 BR112013016267A2 BR112013016267A BR112013016267A BR112013016267A2 BR 112013016267 A2 BR112013016267 A2 BR 112013016267A2 BR 112013016267 A BR112013016267 A BR 112013016267A BR 112013016267 A BR112013016267 A BR 112013016267A BR 112013016267 A2 BR112013016267 A2 BR 112013016267A2
- Authority
- BR
- Brazil
- Prior art keywords
- coding
- alternating
- low delay
- transform
- predictive
- Prior art date
Links
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
- G10L19/02—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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/0212—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 orthogonal transformation
-
- 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
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1061203A FR2969805A1 (fr) | 2010-12-23 | 2010-12-23 | Codage bas retard alternant codage predictif et codage par transformee |
| FR1061203 | 2010-12-23 | ||
| PCT/FR2011/053097 WO2012085451A1 (fr) | 2010-12-23 | 2011-12-20 | Codage de son à bas retard alternant codage prédictif et codage par transformée |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112013016267A2 true BR112013016267A2 (pt) | 2018-07-03 |
| BR112013016267B1 BR112013016267B1 (pt) | 2021-02-02 |
Family
ID=44059261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112013016267-8A BR112013016267B1 (pt) | 2010-12-23 | 2011-12-20 | processos de codificação e decodificação de um sinal não numérico, codificador e decodificador de sinal som numérico |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9218817B2 (pt) |
| EP (1) | EP2656343B1 (pt) |
| JP (1) | JP5978227B2 (pt) |
| KR (1) | KR101869395B1 (pt) |
| CN (1) | CN103384900B (pt) |
| BR (1) | BR112013016267B1 (pt) |
| ES (1) | ES2529221T3 (pt) |
| FR (1) | FR2969805A1 (pt) |
| RU (1) | RU2584463C2 (pt) |
| WO (1) | WO2012085451A1 (pt) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4977157B2 (ja) | 2009-03-06 | 2012-07-18 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
| KR102053900B1 (ko) | 2011-05-13 | 2019-12-09 | 삼성전자주식회사 | 노이즈 필링방법, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기 |
| CN103548080B (zh) * | 2012-05-11 | 2017-03-08 | 松下电器产业株式会社 | 声音信号混合编码器、声音信号混合解码器、声音信号编码方法以及声音信号解码方法 |
| KR101498113B1 (ko) * | 2013-10-23 | 2015-03-04 | 광주과학기술원 | 사운드 신호의 대역폭 확장 장치 및 방법 |
| FR3013496A1 (fr) * | 2013-11-15 | 2015-05-22 | Orange | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
| US9489955B2 (en) * | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US10134403B2 (en) * | 2014-05-16 | 2018-11-20 | Qualcomm Incorporated | Crossfading between higher order ambisonic signals |
| FR3023036A1 (fr) * | 2014-06-27 | 2016-01-01 | Orange | Re-echantillonnage par interpolation d'un signal audio pour un codage / decodage a bas retard |
| EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| EP2980796A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for processing an audio signal, audio decoder, and audio encoder |
| EP2980797A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition |
| EP2980794A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| FR3024582A1 (fr) | 2014-07-29 | 2016-02-05 | Orange | Gestion de la perte de trame dans un contexte de transition fd/lpd |
| FR3024581A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
| WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| CN114898761A (zh) * | 2017-08-10 | 2022-08-12 | 华为技术有限公司 | 立体声信号编解码方法及装置 |
| CN110556118B (zh) * | 2018-05-31 | 2022-05-10 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5787387A (en) * | 1994-07-11 | 1998-07-28 | Voxware, Inc. | Harmonic adaptive speech coding method and system |
| JP3317470B2 (ja) * | 1995-03-28 | 2002-08-26 | 日本電信電話株式会社 | 音響信号符号化方法、音響信号復号化方法 |
| JP3653826B2 (ja) * | 1995-10-26 | 2005-06-02 | ソニー株式会社 | 音声復号化方法及び装置 |
| US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
| DE69926821T2 (de) * | 1998-01-22 | 2007-12-06 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen |
| US6959274B1 (en) * | 1999-09-22 | 2005-10-25 | Mindspeed Technologies, Inc. | Fixed rate speech compression system and method |
| US7171355B1 (en) * | 2000-10-25 | 2007-01-30 | Broadcom Corporation | Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
| US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
| JP3881943B2 (ja) * | 2002-09-06 | 2007-02-14 | 松下電器産業株式会社 | 音響符号化装置及び音響符号化方法 |
| US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
| CN101308656A (zh) * | 2007-05-17 | 2008-11-19 | 展讯通信（上海）有限公司 | 音频暂态信号的编解码方法 |
| PL2311034T3 (pl) * | 2008-07-11 | 2016-04-29 | Fraunhofer Ges Forschung | Koder i dekoder audio do kodowania ramek próbkowanego sygnału audio |
| FR2936898A1 (fr) | 2008-10-08 | 2010-04-09 | France Telecom | Codage a echantillonnage critique avec codeur predictif |
| RU2393548C1 (ru) * | 2008-11-28 | 2010-06-27 | Общество с ограниченной ответственностью "Конвент Люкс" | Устройство для изменения входящего голосового сигнала в выходящий голосовой сигнал в соответствии с целевым голосовым сигналом |
| JP4977157B2 (ja) * | 2009-03-06 | 2012-07-18 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
-
2010
- 2010-12-23 FR FR1061203A patent/FR2969805A1/fr not_active Withdrawn
-
2011
- 2011-12-20 BR BR112013016267-8A patent/BR112013016267B1/pt active IP Right Grant
- 2011-12-20 JP JP2013545471A patent/JP5978227B2/ja active Active
- 2011-12-20 RU RU2013134227/08A patent/RU2584463C2/ru active
- 2011-12-20 ES ES11815474.9T patent/ES2529221T3/es active Active
- 2011-12-20 WO PCT/FR2011/053097 patent/WO2012085451A1/fr active Application Filing
- 2011-12-20 CN CN201180068351.0A patent/CN103384900B/zh active Active
- 2011-12-20 KR KR1020137019387A patent/KR101869395B1/ko active IP Right Grant
- 2011-12-20 US US13/997,446 patent/US9218817B2/en active Active
- 2011-12-20 EP EP11815474.9A patent/EP2656343B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US9218817B2 (en) | 2015-12-22 |
| CN103384900B (zh) | 2015-06-10 |
| BR112013016267B1 (pt) | 2021-02-02 |
| JP5978227B2 (ja) | 2016-08-24 |
| RU2584463C2 (ru) | 2016-05-20 |
| CN103384900A (zh) | 2013-11-06 |
| RU2013134227A (ru) | 2015-01-27 |
| US20130289981A1 (en) | 2013-10-31 |
| EP2656343B1 (fr) | 2014-11-19 |
| ES2529221T3 (es) | 2015-02-18 |
| KR20130133816A (ko) | 2013-12-09 |
| JP2014505272A (ja) | 2014-02-27 |
| KR101869395B1 (ko) | 2018-06-20 |
| WO2012085451A1 (fr) | 2012-06-28 |
| FR2969805A1 (fr) | 2012-06-29 |
| EP2656343A1 (fr) | 2013-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/12/2011, OBSERVADAS AS CONDICOES LEGAIS. |