IL243959A - Multichannel coding methods and devices - Google Patents
Multichannel coding methods and devicesInfo
- Publication number
- IL243959A IL243959A IL243959A IL24395916A IL243959A IL 243959 A IL243959 A IL 243959A IL 243959 A IL243959 A IL 243959A IL 24395916 A IL24395916 A IL 24395916A IL 243959 A IL243959 A IL 243959A
- Authority
- IL
- Israel
- Prior art keywords
- stereo
- pair
- decoding
- encoding
- channels
- Prior art date
Links
Classifications
-
- 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
- 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
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Quality & Reliability (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361877189P | 2013-09-12 | 2013-09-12 | |
| PCT/EP2014/069043 WO2015036351A1 (en) | 2013-09-12 | 2014-09-08 | Methods and devices for joint multichannel coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL243959A0 IL243959A0 (en) | 2016-04-21 |
| IL243959A true IL243959A (en) | 2016-10-31 |
Family
ID=51492966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL243959A IL243959A (en) | 2013-09-12 | 2016-02-04 | Multichannel coding methods and devices |
Country Status (22)
| Country | Link |
|---|---|
| US (7) | US9761231B2 (enExample) |
| EP (4) | EP3330963B1 (enExample) |
| JP (1) | JP6219527B2 (enExample) |
| KR (1) | KR101777626B1 (enExample) |
| CN (7) | CN117636886A (enExample) |
| AR (2) | AR097627A1 (enExample) |
| AU (1) | AU2014320540B2 (enExample) |
| BR (1) | BR112016004674B1 (enExample) |
| CA (1) | CA2920963C (enExample) |
| DK (1) | DK3044785T3 (enExample) |
| ES (1) | ES2657316T3 (enExample) |
| HU (1) | HUE035582T2 (enExample) |
| IL (1) | IL243959A (enExample) |
| MX (1) | MX354658B (enExample) |
| MY (1) | MY179475A (enExample) |
| NO (1) | NO2993357T3 (enExample) |
| PL (1) | PL3044785T3 (enExample) |
| RU (1) | RU2653285C2 (enExample) |
| SG (2) | SG11201600827VA (enExample) |
| TW (6) | TWI634547B (enExample) |
| UA (1) | UA115928C2 (enExample) |
| WO (1) | WO2015036351A1 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634494B (zh) | 2013-09-12 | 2023-09-01 | 杜比国际公司 | 多声道音频内容的编码 |
| EP3067885A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| US12125492B2 (en) | 2015-09-25 | 2024-10-22 | Voiceage Coproration | Method and system for decoding left and right channels of a stereo sound signal |
| RU2730548C2 (ru) * | 2015-09-25 | 2020-08-24 | Войсэйдж Корпорейшн | Способ и система для кодирования левого и правого каналов стереофонического звукового сигнала с выбором между моделями двух и четырех подкадров в зависимости от битового бюджета |
| EP3208800A1 (en) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for stereo filing in multichannel coding |
| CN109219847B (zh) * | 2016-06-01 | 2023-07-25 | 杜比国际公司 | 将多声道音频内容转换成基于对象的音频内容的方法及用于处理具有空间位置的音频内容的方法 |
| CN106710600B (zh) * | 2016-12-16 | 2020-02-04 | 广州广晟数码技术有限公司 | 多声道音频信号的去相关编码方法和装置 |
| TWI634549B (zh) * | 2017-08-24 | 2018-09-01 | 瑞昱半導體股份有限公司 | 音訊強化裝置及方法 |
| RU2769788C1 (ru) | 2018-07-04 | 2022-04-06 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Кодер, многосигнальный декодер и соответствующие способы с использованием отбеливания сигналов или постобработки сигналов |
| US11172477B2 (en) | 2018-11-02 | 2021-11-09 | Qualcomm Incorproated | Multi-transport block scheduling |
| WO2020216459A1 (en) * | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating an output downmix representation |
| CN114023338B (zh) | 2020-07-17 | 2025-06-03 | 华为技术有限公司 | 多声道音频信号的编码方法和装置 |
| CN113948095B (zh) | 2020-07-17 | 2025-02-25 | 华为技术有限公司 | 多声道音频信号的编解码方法和装置 |
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| SE519552C2 (sv) * | 1998-09-30 | 2003-03-11 | Ericsson Telefon Ab L M | Flerkanalig signalkodning och -avkodning |
| SE0001926D0 (sv) | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| BR0305434A (pt) * | 2002-07-12 | 2004-09-28 | Koninkl Philips Electronics Nv | Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem |
| US7502743B2 (en) | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| EP1611772A1 (en) * | 2003-03-04 | 2006-01-04 | Nokia Corporation | Support of a multichannel audio extension |
| US7447317B2 (en) | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
| EP1719115A1 (en) * | 2004-02-17 | 2006-11-08 | Koninklijke Philips Electronics N.V. | Parametric multi-channel coding with improved backwards compatibility |
| SE0402650D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding of spatial audio |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| DE102005010057A1 (de) * | 2005-03-04 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms |
| US7983922B2 (en) * | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
| DE112006001825T5 (de) | 2005-07-08 | 2008-05-21 | Matsushita Electric Industrial Co., Ltd., Kadoma | Elektronikbauteilmontagevorrichtung, Höhenerfassungsverfahren für elektronische Bauteile, und Optikachsenanpassungsverfahren für eine Bauteilhöhenerfassungseinheit |
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| WO2007111568A2 (en) | 2006-03-28 | 2007-10-04 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for a decoder for multi-channel surround sound |
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| EP2054875B1 (en) | 2006-10-16 | 2011-03-23 | Dolby Sweden AB | Enhanced coding and parameter representation of multichannel downmixed object coding |
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2014
- 2014-08-15 TW TW103128103A patent/TWI634547B/zh active
- 2014-08-15 TW TW108121329A patent/TWI713018B/zh active
- 2014-08-15 TW TW107118781A patent/TWI671734B/zh active
- 2014-08-15 TW TW109141399A patent/TWI774136B/zh active
- 2014-08-15 TW TW113121166A patent/TW202514598A/zh unknown
- 2014-08-15 TW TW111129105A patent/TWI847206B/zh active
- 2014-09-08 EP EP17200485.5A patent/EP3330963B1/en active Active
- 2014-09-08 WO PCT/EP2014/069043 patent/WO2015036351A1/en not_active Ceased
- 2014-09-08 CN CN202311577858.XA patent/CN117636886A/zh active Pending
- 2014-09-08 ES ES14761364.0T patent/ES2657316T3/es active Active
- 2014-09-08 CN CN201480050053.2A patent/CN105531760B/zh active Active
- 2014-09-08 UA UAA201603810A patent/UA115928C2/uk unknown
- 2014-09-08 SG SG11201600827VA patent/SG11201600827VA/en unknown
- 2014-09-08 US US14/916,415 patent/US9761231B2/en active Active
- 2014-09-08 EP EP21205201.3A patent/EP3989221B1/en active Active
- 2014-09-08 PL PL14761364T patent/PL3044785T3/pl unknown
- 2014-09-08 JP JP2016541902A patent/JP6219527B2/ja active Active
- 2014-09-08 MX MX2016002885A patent/MX354658B/es active IP Right Grant
- 2014-09-08 CN CN201910513493.1A patent/CN110189759B/zh active Active
- 2014-09-08 BR BR112016004674-9A patent/BR112016004674B1/pt active IP Right Grant
- 2014-09-08 KR KR1020167006428A patent/KR101777626B1/ko active Active
- 2014-09-08 MY MYPI2016700611A patent/MY179475A/en unknown
- 2014-09-08 CA CA2920963A patent/CA2920963C/en active Active
- 2014-09-08 SG SG10201807851YA patent/SG10201807851YA/en unknown
- 2014-09-08 CN CN201910513492.7A patent/CN110176240B/zh active Active
- 2014-09-08 EP EP23212276.2A patent/EP4339944A3/en active Pending
- 2014-09-08 CN CN202311494321.7A patent/CN117558282A/zh active Pending
- 2014-09-08 RU RU2016113712A patent/RU2653285C2/ru active
- 2014-09-08 DK DK14761364.0T patent/DK3044785T3/en active
- 2014-09-08 EP EP14761364.0A patent/EP3044785B1/en active Active
- 2014-09-08 HU HUE14761364A patent/HUE035582T2/en unknown
- 2014-09-08 CN CN202311575471.0A patent/CN117612541A/zh active Pending
- 2014-09-08 CN CN201910513484.2A patent/CN110189758B/zh active Active
- 2014-09-08 AU AU2014320540A patent/AU2014320540B2/en active Active
- 2014-09-11 AR ARP140103388A patent/AR097627A1/es active IP Right Grant
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2015
- 2015-07-31 NO NO15179255A patent/NO2993357T3/no unknown
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2016
- 2016-02-04 IL IL243959A patent/IL243959A/en active IP Right Grant
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2017
- 2017-07-11 US US15/647,076 patent/US10083701B2/en active Active
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2018
- 2018-08-28 US US16/115,354 patent/US10497377B2/en active Active
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2019
- 2019-07-16 AR ARP190102007A patent/AR115788A2/es active IP Right Grant
- 2019-11-04 US US16/673,042 patent/US11380336B2/en active Active
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2022
- 2022-06-30 US US17/854,947 patent/US11749288B2/en active Active
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2023
- 2023-09-01 US US18/459,907 patent/US12190895B2/en active Active
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2025
- 2025-01-03 US US19/009,879 patent/US20250140269A1/en active Pending
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