ES2651988T3 - Transición desde una codificación/decodificación por transformada hacia una codificación/decodificación predictiva - Google Patents
Transición desde una codificación/decodificación por transformada hacia una codificación/decodificación predictiva Download PDFInfo
- Publication number
- ES2651988T3 ES2651988T3 ES14821711.0T ES14821711T ES2651988T3 ES 2651988 T3 ES2651988 T3 ES 2651988T3 ES 14821711 T ES14821711 T ES 14821711T ES 2651988 T3 ES2651988 T3 ES 2651988T3
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- Prior art keywords
- decoding
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- coefficients
- predictive
- coding
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Links
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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
- 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
- G10L19/02—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
- G10L19/04—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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
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)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1361243 | 2013-11-15 | ||
| FR1361243A FR3013496A1 (fr) | 2013-11-15 | 2013-11-15 | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
| PCT/FR2014/052923 WO2015071613A2 (fr) | 2013-11-15 | 2014-11-14 | Transition d'un codage/décodage par transformée vers un codage/décodage prédictif |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2651988T3 true ES2651988T3 (es) | 2018-01-30 |
Family
ID=50179701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14821711.0T Active ES2651988T3 (es) | 2013-11-15 | 2014-11-14 | Transición desde una codificación/decodificación por transformada hacia una codificación/decodificación predictiva |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9984696B2 (enExample) |
| EP (1) | EP3069340B1 (enExample) |
| JP (1) | JP6568850B2 (enExample) |
| KR (2) | KR102388687B1 (enExample) |
| CN (1) | CN105723457B (enExample) |
| BR (1) | BR112016010522B1 (enExample) |
| ES (1) | ES2651988T3 (enExample) |
| FR (1) | FR3013496A1 (enExample) |
| MX (1) | MX353104B (enExample) |
| RU (1) | RU2675216C1 (enExample) |
| WO (1) | WO2015071613A2 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110444216B (zh) | 2014-05-01 | 2022-10-21 | 日本电信电话株式会社 | 解码装置、解码方法、记录介质 |
| US10304472B2 (en) * | 2014-07-28 | 2019-05-28 | Nippon Telegraph And Telephone Corporation | Method, device and recording medium for coding based on a selected coding processing |
| 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 |
| 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 |
| EP2988300A1 (en) | 2014-08-18 | 2016-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Switching of sampling rates at audio processing devices |
Family Cites Families (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327520A (en) * | 1992-06-04 | 1994-07-05 | At&T Bell Laboratories | Method of use of voice message coder/decoder |
| JPH07210199A (ja) * | 1994-01-20 | 1995-08-11 | Hitachi Ltd | 音声符号化方法および音声符号化装置 |
| US5732389A (en) * | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
| US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
| US6169970B1 (en) * | 1998-01-08 | 2001-01-02 | Lucent Technologies Inc. | Generalized analysis-by-synthesis speech coding method and apparatus |
| US6311154B1 (en) * | 1998-12-30 | 2001-10-30 | Nokia Mobile Phones Limited | Adaptive windows for analysis-by-synthesis CELP-type speech coding |
| US6640209B1 (en) * | 1999-02-26 | 2003-10-28 | Qualcomm Incorporated | Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder |
| US6959274B1 (en) * | 1999-09-22 | 2005-10-25 | Mindspeed Technologies, Inc. | Fixed rate speech compression system and method |
| JP4857467B2 (ja) * | 2001-01-25 | 2012-01-18 | ソニー株式会社 | データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体 |
| DE10124420C1 (de) * | 2001-05-18 | 2002-11-28 | Siemens Ag | Verfahren zur Codierung und zur Übertragung von Sprachsignalen |
| CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| US7103538B1 (en) * | 2002-06-10 | 2006-09-05 | Mindspeed Technologies, Inc. | Fixed code book with embedded adaptive code book |
| CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
| US7386445B2 (en) * | 2005-01-18 | 2008-06-10 | Nokia Corporation | Compensation of transient effects in transform coding |
| US7831421B2 (en) * | 2005-05-31 | 2010-11-09 | Microsoft Corporation | Robust decoder |
| KR100647336B1 (ko) * | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
| KR100803212B1 (ko) * | 2006-01-11 | 2008-02-14 | 삼성전자주식회사 | 스케일러블 채널 복호화 방법 및 장치 |
| TR201906713T4 (tr) * | 2007-01-10 | 2019-05-21 | Koninklijke Philips Nv | Audio kod çözücü. |
| CN101622664B (zh) * | 2007-03-02 | 2012-02-01 | 松下电器产业株式会社 | 自适应激励矢量量化装置和自适应激励矢量量化方法 |
| US8515767B2 (en) * | 2007-11-04 | 2013-08-20 | Qualcomm Incorporated | Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs |
| CN100578619C (zh) * | 2007-11-05 | 2010-01-06 | 华为技术有限公司 | 编码方法和编码器 |
| CN100578620C (zh) * | 2007-11-12 | 2010-01-06 | 华为技术有限公司 | 固定码书搜索方法及搜索器 |
| EP2077551B1 (en) * | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| BR122021009252B1 (pt) * | 2008-07-11 | 2022-03-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Codificador e decodificador de áudio para estruturas de codificação de sinais de áudio amostrados |
| ES2396927T3 (es) * | 2008-07-11 | 2013-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento para decodificar una señal de audio codificada |
| EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
| PL2301020T3 (pl) * | 2008-07-11 | 2013-06-28 | Fraunhofer Ges Forschung | Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu |
| ES2683077T3 (es) * | 2008-07-11 | 2018-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada |
| KR101315617B1 (ko) * | 2008-11-26 | 2013-10-08 | 광운대학교 산학협력단 | 모드 스위칭에 기초하여 윈도우 시퀀스를 처리하는 통합 음성/오디오 부/복호화기 |
| US8457975B2 (en) * | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
| 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 |
| PL3352168T3 (pl) * | 2009-06-23 | 2021-03-08 | Voiceage Corporation | Postępowe tłumienie aliasingu w dziedzinie czasu z zastosowaniem w ważonej albo pierwotnej dziedzinie sygnału |
| MY163358A (en) * | 2009-10-08 | 2017-09-15 | Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V | Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping |
| KR101137652B1 (ko) * | 2009-10-14 | 2012-04-23 | 광운대학교 산학협력단 | 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법 |
| WO2011158485A2 (ja) * | 2010-06-14 | 2011-12-22 | パナソニック株式会社 | オーディオハイブリッド符号化装置およびオーディオハイブリッド復号装置 |
| FR2969805A1 (fr) * | 2010-12-23 | 2012-06-29 | France Telecom | Codage bas retard alternant codage predictif et codage par transformee |
| US9037456B2 (en) * | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
| US9043201B2 (en) * | 2012-01-03 | 2015-05-26 | Google Technology Holdings LLC | Method and apparatus for processing audio frames to transition between different codecs |
-
2013
- 2013-11-15 FR FR1361243A patent/FR3013496A1/fr not_active Withdrawn
-
2014
- 2014-11-14 ES ES14821711.0T patent/ES2651988T3/es active Active
- 2014-11-14 EP EP14821711.0A patent/EP3069340B1/fr active Active
- 2014-11-14 BR BR112016010522-2A patent/BR112016010522B1/pt active IP Right Grant
- 2014-11-14 KR KR1020217018976A patent/KR102388687B1/ko active Active
- 2014-11-14 JP JP2016529922A patent/JP6568850B2/ja active Active
- 2014-11-14 MX MX2016006253A patent/MX353104B/es active IP Right Grant
- 2014-11-14 KR KR1020167014550A patent/KR102289004B1/ko active Active
- 2014-11-14 RU RU2016123462A patent/RU2675216C1/ru active
- 2014-11-14 CN CN201480062220.5A patent/CN105723457B/zh active Active
- 2014-11-14 WO PCT/FR2014/052923 patent/WO2015071613A2/fr not_active Ceased
- 2014-11-14 US US15/036,984 patent/US9984696B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20160293173A1 (en) | 2016-10-06 |
| CN105723457A (zh) | 2016-06-29 |
| BR112016010522B1 (pt) | 2022-09-06 |
| KR102289004B1 (ko) | 2021-08-10 |
| US9984696B2 (en) | 2018-05-29 |
| KR20160083890A (ko) | 2016-07-12 |
| RU2016123462A (ru) | 2017-12-18 |
| RU2675216C1 (ru) | 2018-12-17 |
| MX353104B (es) | 2017-12-19 |
| CN105723457B (zh) | 2019-05-28 |
| KR102388687B1 (ko) | 2022-04-19 |
| EP3069340B1 (fr) | 2017-09-20 |
| JP6568850B2 (ja) | 2019-08-28 |
| MX2016006253A (es) | 2016-09-07 |
| JP2017501432A (ja) | 2017-01-12 |
| WO2015071613A3 (fr) | 2015-07-09 |
| WO2015071613A2 (fr) | 2015-05-21 |
| EP3069340A2 (fr) | 2016-09-21 |
| BR112016010522A2 (enExample) | 2017-08-08 |
| FR3013496A1 (fr) | 2015-05-22 |
| KR20210077807A (ko) | 2021-06-25 |
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