MX2015001676A - Codificador, decodificador, sistema y metodo que emplean un concepto residual para codificar objetos de audio parametricos. - Google Patents
Codificador, decodificador, sistema y metodo que emplean un concepto residual para codificar objetos de audio parametricos.Info
- Publication number
- MX2015001676A MX2015001676A MX2015001676A MX2015001676A MX2015001676A MX 2015001676 A MX2015001676 A MX 2015001676A MX 2015001676 A MX2015001676 A MX 2015001676A MX 2015001676 A MX2015001676 A MX 2015001676A MX 2015001676 A MX2015001676 A MX 2015001676A
- Authority
- MX
- Mexico
- Prior art keywords
- audio object
- decoder
- signals
- encoder
- residual
- 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
- G10L19/008—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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Se proporciona un decodificador. El decodificador comprende una unidad de decodificación paramétrica (110) para generar una pluralidad de primeras señales de objetos de audio estimadas por la mezcla ascendente de tres o más señales de mezcla descendente, en el que las tres o más señales de mezcla descendente codifican una pluralidad de señales de objetos de audio originales, en el que la unidad de decodificación paramétrica (110) está configurada para realizar la mezcla ascendente de tres o más señales de mezcla descendente en función de la información lateral paramétrica que indica información sobre la pluralidad de señales de objetos de audio originales. Asimismo, el decodificador comprende una unidad de procesamiento residual (120) para generar una pluralidad de segundas señales de objetos de audio estimadas por la modificación de una o más de las primeras señales de objetos de audio estimadas, en el que la unidad de procesamiento residual (120) está configurada para modificar dicha una o más de las primeras señales de objetos de audio estimadas en función de una o más señales residuales.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261681730P | 2012-08-10 | 2012-08-10 | |
PCT/EP2013/057932 WO2014023443A1 (en) | 2012-08-10 | 2013-04-16 | Encoder, decoder, system and method employing a residual concept for parametric audio object coding |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015001676A true MX2015001676A (es) | 2015-04-10 |
MX351193B MX351193B (es) | 2017-10-04 |
Family
ID=48092997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015001676A MX351193B (es) | 2012-08-10 | 2013-04-16 | Codificador, decodificador, sistema y metodo que emplean un concepto residual para codificar objetos de audio parametricos. |
Country Status (20)
Country | Link |
---|---|
US (1) | US10818301B2 (es) |
EP (1) | EP2883225B1 (es) |
JP (1) | JP6113282B2 (es) |
KR (2) | KR101903664B1 (es) |
CN (1) | CN104769669B (es) |
AR (1) | AR090703A1 (es) |
AU (1) | AU2013301831B2 (es) |
BR (1) | BR112015002793B1 (es) |
CA (1) | CA2881065C (es) |
ES (1) | ES2638391T3 (es) |
HK (1) | HK1211734A1 (es) |
MX (1) | MX351193B (es) |
MY (1) | MY176406A (es) |
PL (1) | PL2883225T3 (es) |
PT (1) | PT2883225T (es) |
RU (1) | RU2628900C2 (es) |
SG (1) | SG11201500878PA (es) |
TW (1) | TWI517141B (es) |
WO (1) | WO2014023443A1 (es) |
ZA (1) | ZA201501570B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2014020181A1 (en) * | 2012-08-03 | 2014-02-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and method for multi-instance spatial-audio-object-coding employing a parametric concept for multichannel downmix/upmix cases |
RU2628900C2 (ru) | 2012-08-10 | 2017-08-22 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Кодер, декодер, система и способ, использующие концепцию остатка для параметрического кодирования аудиобъектов |
EP2757559A1 (en) * | 2013-01-22 | 2014-07-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for spatial audio object coding employing hidden objects for signal mixture manipulation |
EP2830051A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
EP3074970B1 (en) | 2013-10-21 | 2018-02-21 | Dolby International AB | Audio encoder and decoder |
US9779739B2 (en) * | 2014-03-20 | 2017-10-03 | Dts, Inc. | Residual encoding in an object-based audio system |
CN114554386A (zh) | 2015-02-06 | 2022-05-27 | 杜比实验室特许公司 | 用于自适应音频的混合型基于优先度的渲染系统和方法 |
US10893373B2 (en) | 2017-05-09 | 2021-01-12 | Dolby Laboratories Licensing Corporation | Processing of a multi-channel spatial audio format input signal |
JP6888172B2 (ja) * | 2018-01-18 | 2021-06-16 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 音場表現信号を符号化する方法及びデバイス |
EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
Family Cites Families (22)
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TWI498882B (zh) | 2004-08-25 | 2015-09-01 | Dolby Lab Licensing Corp | 音訊解碼器 |
US7573912B2 (en) | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
US7751572B2 (en) | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
KR100917843B1 (ko) * | 2006-09-29 | 2009-09-18 | 한국전자통신연구원 | 다양한 채널로 구성된 다객체 오디오 신호의 부호화 및복호화 장치 및 방법 |
MX2010004138A (es) * | 2007-10-17 | 2010-04-30 | Ten Forschung Ev Fraunhofer | Codificacion de audio usando conversion de estereo a multicanal. |
KR101566025B1 (ko) * | 2007-10-22 | 2015-11-05 | 한국전자통신연구원 | 다객체 오디오 부호화 및 복호화 방법과 그 장치 |
EP2077550B8 (en) * | 2008-01-04 | 2012-03-14 | Dolby International AB | Audio encoder and decoder |
ES2592416T3 (es) * | 2008-07-17 | 2016-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificación/decodificación de audio que tiene una derivación conmutable |
US9330671B2 (en) * | 2008-10-10 | 2016-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Energy conservative multi-channel audio coding |
ES2524428T3 (es) * | 2009-06-24 | 2014-12-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decodificador de señales de audio, procedimiento para decodificar una señal de audio y programa de computación que utiliza etapas en cascada de procesamiento de objetos de audio |
KR20110018107A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
KR101569702B1 (ko) * | 2009-08-17 | 2015-11-17 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
KR101613975B1 (ko) * | 2009-08-18 | 2016-05-02 | 삼성전자주식회사 | 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
KR101710113B1 (ko) * | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화/복호화 장치 및 방법 |
EP2323130A1 (en) * | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametric encoding and decoding |
EP2489038B1 (en) * | 2009-11-20 | 2016-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear combination parameter |
RU2683175C2 (ru) * | 2010-04-09 | 2019-03-26 | Долби Интернешнл Аб | Стереофоническое кодирование на основе mdct с комплексным предсказанием |
KR20110116079A (ko) * | 2010-04-17 | 2011-10-25 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 장치 및 방법 |
KR101412115B1 (ko) * | 2010-10-07 | 2014-06-26 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 비트 스트림 도메인 내의 코딩된 오디오 프레임들의 레벨 추정을 위한 장치 및 방법 |
WO2012058805A1 (en) * | 2010-11-03 | 2012-05-10 | Huawei Technologies Co., Ltd. | Parametric encoder for encoding a multi-channel audio signal |
TWI687918B (zh) * | 2010-12-03 | 2020-03-11 | 美商杜比實驗室特許公司 | 音頻解碼裝置、音頻解碼方法及音頻編碼方法 |
RU2628900C2 (ru) | 2012-08-10 | 2017-08-22 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Кодер, декодер, система и способ, использующие концепцию остатка для параметрического кодирования аудиобъектов |
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2013
- 2013-04-16 RU RU2015107578A patent/RU2628900C2/ru active
- 2013-04-16 KR KR1020177009511A patent/KR101903664B1/ko active IP Right Grant
- 2013-04-16 EP EP13716016.4A patent/EP2883225B1/en active Active
- 2013-04-16 MX MX2015001676A patent/MX351193B/es active IP Right Grant
- 2013-04-16 AR ARP130101236A patent/AR090703A1/es active IP Right Grant
- 2013-04-16 CN CN201380052536.1A patent/CN104769669B/zh active Active
- 2013-04-16 CA CA2881065A patent/CA2881065C/en active Active
- 2013-04-16 PT PT137160164T patent/PT2883225T/pt unknown
- 2013-04-16 WO PCT/EP2013/057932 patent/WO2014023443A1/en active Application Filing
- 2013-04-16 BR BR112015002793-8A patent/BR112015002793B1/pt active IP Right Grant
- 2013-04-16 TW TW102113450A patent/TWI517141B/zh active
- 2013-04-16 PL PL13716016T patent/PL2883225T3/pl unknown
- 2013-04-16 JP JP2015525786A patent/JP6113282B2/ja active Active
- 2013-04-16 SG SG11201500878PA patent/SG11201500878PA/en unknown
- 2013-04-16 ES ES13716016.4T patent/ES2638391T3/es active Active
- 2013-04-16 AU AU2013301831A patent/AU2013301831B2/en active Active
- 2013-04-16 MY MYPI2015000342A patent/MY176406A/en unknown
- 2013-04-16 KR KR1020157003513A patent/KR102050455B1/ko active IP Right Grant
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2015
- 2015-02-09 US US14/617,706 patent/US10818301B2/en active Active
- 2015-03-09 ZA ZA2015/01570A patent/ZA201501570B/en unknown
- 2015-12-17 HK HK15112456.5A patent/HK1211734A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PT2883225T (pt) | 2017-09-04 |
CA2881065A1 (en) | 2014-02-13 |
CN104769669A (zh) | 2015-07-08 |
US10818301B2 (en) | 2020-10-27 |
KR102050455B1 (ko) | 2019-12-02 |
KR20170042809A (ko) | 2017-04-19 |
RU2015107578A (ru) | 2016-09-27 |
TW201407603A (zh) | 2014-02-16 |
KR20150040921A (ko) | 2015-04-15 |
AU2013301831B2 (en) | 2016-12-01 |
US20150162012A1 (en) | 2015-06-11 |
BR112015002793A2 (pt) | 2020-04-22 |
ZA201501570B (en) | 2018-05-30 |
JP6113282B2 (ja) | 2017-04-12 |
WO2014023443A1 (en) | 2014-02-13 |
SG11201500878PA (en) | 2015-03-30 |
ES2638391T3 (es) | 2017-10-20 |
PL2883225T3 (pl) | 2017-10-31 |
EP2883225B1 (en) | 2017-06-07 |
CN104769669B (zh) | 2020-09-29 |
CA2881065C (en) | 2020-03-10 |
MY176406A (en) | 2020-08-06 |
AU2013301831A1 (en) | 2015-02-26 |
RU2628900C2 (ru) | 2017-08-22 |
BR112015002793B1 (pt) | 2021-12-07 |
EP2883225A1 (en) | 2015-06-17 |
TWI517141B (zh) | 2016-01-11 |
HK1211734A1 (en) | 2016-05-27 |
KR101903664B1 (ko) | 2018-11-22 |
JP2015529850A (ja) | 2015-10-08 |
MX351193B (es) | 2017-10-04 |
AR090703A1 (es) | 2014-12-03 |
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