TWI584271B - 編碼裝置及其編碼方法、解碼裝置及其解碼方法、電腦程式 - Google Patents
編碼裝置及其編碼方法、解碼裝置及其解碼方法、電腦程式 Download PDFInfo
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- TWI584271B TWI584271B TW105105526A TW105105526A TWI584271B TW I584271 B TWI584271 B TW I584271B TW 105105526 A TW105105526 A TW 105105526A TW 105105526 A TW105105526 A TW 105105526A TW I584271 B TWI584271 B TW I584271B
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- 238000000034 method Methods 0.000 title claims description 83
- 238000004590 computer program Methods 0.000 title claims description 14
- 238000012545 processing Methods 0.000 claims description 96
- 230000008569 process Effects 0.000 claims description 30
- 238000004364 calculation method Methods 0.000 claims description 9
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- 230000005540 biological transmission Effects 0.000 description 3
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- 208000022018 mucopolysaccharidosis type 2 Diseases 0.000 description 2
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- UUFQTNFCRMXOAE-UHFFFAOYSA-N 1-methylmethylene Chemical compound C[CH] UUFQTNFCRMXOAE-UHFFFAOYSA-N 0.000 description 1
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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
- G10L19/008—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
- G10L19/02—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Stereophonic System (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15158234 | 2015-03-09 | ||
| EP15172492.9A EP3067885A1 (en) | 2015-03-09 | 2015-06-17 | Apparatus and method for encoding or decoding a multi-channel signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201642248A TW201642248A (zh) | 2016-12-01 |
| TWI584271B true TWI584271B (zh) | 2017-05-21 |
Family
ID=52692421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105105526A TWI584271B (zh) | 2015-03-09 | 2016-02-24 | 編碼裝置及其編碼方法、解碼裝置及其解碼方法、電腦程式 |
Country Status (16)
| Country | Link |
|---|---|
| US (5) | US10388289B2 (enExample) |
| EP (3) | EP3067885A1 (enExample) |
| JP (4) | JP6600004B2 (enExample) |
| KR (1) | KR102109159B1 (enExample) |
| CN (2) | CN112233684B (enExample) |
| AR (1) | AR103873A1 (enExample) |
| AU (1) | AU2016231238B2 (enExample) |
| CA (1) | CA2978818C (enExample) |
| ES (1) | ES2769032T3 (enExample) |
| MX (1) | MX364419B (enExample) |
| PL (1) | PL3268959T3 (enExample) |
| PT (1) | PT3268959T (enExample) |
| RU (1) | RU2711055C2 (enExample) |
| SG (1) | SG11201707180SA (enExample) |
| TW (1) | TWI584271B (enExample) |
| WO (1) | WO2016142375A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI690920B (zh) * | 2018-01-10 | 2020-04-11 | 盛微先進科技股份有限公司 | 音訊處理方法、音訊處理裝置及用於音訊處理之非暫時性電腦可讀媒體 |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| WO2019143867A1 (en) | 2018-01-18 | 2019-07-25 | Dolby Laboratories Licensing Corporation | Methods and devices for coding soundfield representation signals |
| MY206514A (en) * | 2018-07-04 | 2024-12-19 | Fraunhofer Ges Zur Frderung Der Angewandten Forschung E V | Multisignal audio coding using signal whitening as preprocessing |
| US10547927B1 (en) * | 2018-07-27 | 2020-01-28 | Mimi Hearing Technologies GmbH | Systems and methods for processing an audio signal for replay on stereo and multi-channel audio devices |
| CA3116181A1 (en) | 2018-11-13 | 2020-05-22 | Dolby Laboratories Licensing Corporation | Audio processing in immersive audio services |
| EP3881560B1 (en) | 2018-11-13 | 2024-07-24 | Dolby Laboratories Licensing Corporation | Representing spatial audio by means of an audio signal and associated metadata |
| US12142285B2 (en) | 2019-06-24 | 2024-11-12 | Qualcomm Incorporated | Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding |
| US11538489B2 (en) * | 2019-06-24 | 2022-12-27 | Qualcomm Incorporated | Correlating scene-based audio data for psychoacoustic audio coding |
| US11361776B2 (en) | 2019-06-24 | 2022-06-14 | Qualcomm Incorporated | Coding scaled spatial components |
| US12308034B2 (en) | 2019-06-24 | 2025-05-20 | Qualcomm Incorporated | Performing psychoacoustic audio coding based on operating conditions |
| CN112151045B (zh) * | 2019-06-29 | 2024-06-04 | 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 |
| CN112233682B (zh) * | 2019-06-29 | 2024-07-16 | 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 |
| CN112216290B (zh) * | 2019-07-09 | 2025-08-15 | 海信视像科技股份有限公司 | 音频数据的传输方法、装置及播放设备 |
| CN113782040B (zh) * | 2020-05-22 | 2024-07-30 | 华为技术有限公司 | 基于心理声学的音频编码方法及装置 |
| 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 |
| EP4243015A4 (en) | 2021-01-27 | 2024-04-17 | Samsung Electronics Co., Ltd. | AUDIO PROCESSING APPARATUS AND METHOD |
| CN115410584A (zh) * | 2021-05-28 | 2022-11-29 | 华为技术有限公司 | 多声道音频信号的编码方法和装置 |
| US12225370B2 (en) * | 2022-01-13 | 2025-02-11 | Electronics And Telecommunications Research Institute | Apparatus for immersive spatial audio modeling and rendering |
| CN117730367A (zh) * | 2023-10-31 | 2024-03-19 | 北京小米移动软件有限公司 | 分组方法、编码器、解码器以及存储介质 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080262854A1 (en) * | 2005-10-26 | 2008-10-23 | Lg Electronics, Inc. | Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof |
| US20110022402A1 (en) * | 2006-10-16 | 2011-01-27 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| US20120259642A1 (en) * | 2009-08-20 | 2012-10-11 | Yousuke Takada | Audio stream combining apparatus, method and program |
| TW201419266A (zh) * | 2012-10-05 | 2014-05-16 | Fraunhofer Ges Forschung | 用於空間音訊物件編碼中信號相依變比變換之編碼器、解碼器及方法 |
| TW201444383A (zh) * | 2013-03-05 | 2014-11-16 | Fraunhofer Ges Forschung | 用於音訊信號處理之多聲道直接－周圍分解之裝置及方法 |
Family Cites Families (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3404837B2 (ja) * | 1993-12-07 | 2003-05-12 | ソニー株式会社 | 多層符号化装置 |
| 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 |
| JP4521939B2 (ja) | 2000-07-06 | 2010-08-11 | キヤノン株式会社 | 画像形成装置 |
| JP2002073086A (ja) | 2000-08-24 | 2002-03-12 | Sony Corp | 音声符号化装置および方法 |
| SE519981C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| JP4369140B2 (ja) * | 2003-02-17 | 2009-11-18 | パナソニック株式会社 | オーディオ高能率符号化装置、オーディオ高能率符号化方法、オーディオ高能率符号化プログラム及びその記録媒体 |
| 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 |
| DE102004009628A1 (de) * | 2004-02-27 | 2005-10-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Beschreiben einer Audio-CD und Audio-CD |
| CN1973319B (zh) * | 2004-06-21 | 2010-12-01 | 皇家飞利浦电子股份有限公司 | 编码和解码多通道音频信号的方法和设备 |
| DE102004042819A1 (de) * | 2004-09-03 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals |
| DE102004043521A1 (de) * | 2004-09-08 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes |
| KR100682904B1 (ko) * | 2004-12-01 | 2007-02-15 | 삼성전자주식회사 | 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법 |
| 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 |
| ATE521143T1 (de) * | 2005-02-23 | 2011-09-15 | Ericsson Telefon Ab L M | Adaptive bitzuweisung für die mehrkanal- audiokodierung |
| 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 |
| DE602006014809D1 (de) * | 2005-03-30 | 2010-07-22 | Koninkl Philips Electronics Nv | Skalierbare mehrkanal-audiokodierung |
| 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 |
| US7961890B2 (en) * | 2005-04-15 | 2011-06-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. | Multi-channel hierarchical audio coding with compact side information |
| JP2006323314A (ja) * | 2005-05-20 | 2006-11-30 | Matsushita Electric Ind Co Ltd | マルチチャネル音声信号をバイノーラルキュー符号化する装置 |
| EP1908057B1 (en) * | 2005-06-30 | 2012-06-20 | LG Electronics Inc. | Method and apparatus for decoding an audio signal |
| ES2433316T3 (es) * | 2005-07-19 | 2013-12-10 | Koninklijke Philips N.V. | Generación de señales de audio de multiples canales |
| WO2007055463A1 (en) * | 2005-08-30 | 2007-05-18 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| KR101218776B1 (ko) * | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| FR2898725A1 (fr) | 2006-03-15 | 2007-09-21 | France Telecom | Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale |
| US8027479B2 (en) * | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| WO2008006108A2 (en) * | 2006-07-07 | 2008-01-10 | Srs Labs, Inc. | Systems and methods for multi-dialog surround audio |
| JP2008129250A (ja) * | 2006-11-20 | 2008-06-05 | National Chiao Tung Univ | Ａａｃのためのウィンドウ切り替え方法およびｍ／ｓ符号化の帯域決定方法 |
| US8295494B2 (en) * | 2007-08-13 | 2012-10-23 | Lg Electronics Inc. | Enhancing audio with remixing capability |
| WO2009038512A1 (en) * | 2007-09-19 | 2009-03-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Joint enhancement of multi-channel audio |
| CA2702986C (en) | 2007-10-17 | 2016-08-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio coding using downmix |
| US8249883B2 (en) * | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
| WO2009146734A1 (en) * | 2008-06-03 | 2009-12-10 | Nokia Corporation | Multi-channel audio coding |
| KR101137360B1 (ko) * | 2009-01-28 | 2012-04-19 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| 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 |
| KR101646650B1 (ko) * | 2009-10-15 | 2016-08-08 | 오렌지 | 최적의 저-스루풋 파라메트릭 코딩/디코딩 |
| WO2011080916A1 (ja) * | 2009-12-28 | 2011-07-07 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| KR101641685B1 (ko) * | 2010-03-29 | 2016-07-22 | 삼성전자주식회사 | 멀티채널 오디오의 다운믹스 방법 및 장치 |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| US8908874B2 (en) * | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
| JP5681290B2 (ja) | 2010-09-28 | 2015-03-04 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | デコードされたマルチチャネルオーディオ信号またはデコードされたステレオ信号を後処理するためのデバイス |
| EP2656640A2 (en) * | 2010-12-22 | 2013-10-30 | Genaudio, Inc. | Audio spatialization and environment simulation |
| EP2839460A4 (en) * | 2012-04-18 | 2015-12-30 | Nokia Technologies Oy | STEREOTONSIGNALCODIERER |
| EP2989631A4 (en) * | 2013-04-26 | 2016-12-21 | Nokia Technologies Oy | AUDIO SIGNAL ENCODER |
| JP2015011076A (ja) * | 2013-06-26 | 2015-01-19 | 日本放送協会 | 音響信号符号化装置、音響信号符号化方法、および音響信号復号化装置 |
| EP2830334A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| TWI634547B (zh) | 2013-09-12 | 2018-09-01 | 瑞典商杜比國際公司 | 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品 |
| US9883308B2 (en) * | 2014-07-01 | 2018-01-30 | Electronics And Telecommunications Research Institute | Multichannel audio signal processing method and device |
| 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 |
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2015
- 2015-06-17 EP EP15172492.9A patent/EP3067885A1/en not_active Withdrawn
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2016
- 2016-02-24 TW TW105105526A patent/TWI584271B/zh active
- 2016-03-07 AR ARP160100598A patent/AR103873A1/es active IP Right Grant
- 2016-03-08 PL PL16709344T patent/PL3268959T3/pl unknown
- 2016-03-08 KR KR1020177028549A patent/KR102109159B1/ko active Active
- 2016-03-08 EP EP16709344.2A patent/EP3268959B1/en active Active
- 2016-03-08 JP JP2017548015A patent/JP6600004B2/ja active Active
- 2016-03-08 PT PT167093442T patent/PT3268959T/pt unknown
- 2016-03-08 EP EP19157636.2A patent/EP3506259A1/en not_active Withdrawn
- 2016-03-08 CN CN202011242898.5A patent/CN112233684B/zh active Active
- 2016-03-08 CN CN201680026823.9A patent/CN107592937B/zh active Active
- 2016-03-08 SG SG11201707180SA patent/SG11201707180SA/en unknown
- 2016-03-08 AU AU2016231238A patent/AU2016231238B2/en active Active
- 2016-03-08 RU RU2017134964A patent/RU2711055C2/ru active
- 2016-03-08 ES ES16709344T patent/ES2769032T3/es active Active
- 2016-03-08 WO PCT/EP2016/054900 patent/WO2016142375A1/en not_active Ceased
- 2016-03-08 CA CA2978818A patent/CA2978818C/en active Active
- 2016-03-08 MX MX2017011495A patent/MX364419B/es active IP Right Grant
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2017
- 2017-09-06 US US15/696,861 patent/US10388289B2/en active Active
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2019
- 2019-05-15 US US16/413,299 patent/US10762909B2/en active Active
- 2019-10-03 JP JP2019182675A patent/JP7208126B2/ja active Active
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2020
- 2020-08-17 US US16/995,537 patent/US11508384B2/en active Active
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2022
- 2022-10-18 US US17/968,583 patent/US11955131B2/en active Active
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2023
- 2023-01-05 JP JP2023000472A patent/JP7617154B2/ja active Active
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2024
- 2024-03-29 US US18/622,507 patent/US12462819B2/en active Active
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- 2025-01-06 JP JP2025001698A patent/JP2025066734A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080262854A1 (en) * | 2005-10-26 | 2008-10-23 | Lg Electronics, Inc. | Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof |
| US20110022402A1 (en) * | 2006-10-16 | 2011-01-27 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| US20120259642A1 (en) * | 2009-08-20 | 2012-10-11 | Yousuke Takada | Audio stream combining apparatus, method and program |
| TW201419266A (zh) * | 2012-10-05 | 2014-05-16 | Fraunhofer Ges Forschung | 用於空間音訊物件編碼中信號相依變比變換之編碼器、解碼器及方法 |
| TW201423729A (zh) * | 2012-10-05 | 2014-06-16 | Fraunhofer Ges Forschung | 用於空間音訊物件編碼中時間／頻率解析度之反向相容動態調適的編碼器、解碼器及方法 |
| TW201444383A (zh) * | 2013-03-05 | 2014-11-16 | Fraunhofer Ges Forschung | 用於音訊信號處理之多聲道直接－周圍分解之裝置及方法 |
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|---|---|---|---|---|
| TWI690920B (zh) * | 2018-01-10 | 2020-04-11 | 盛微先進科技股份有限公司 | 音訊處理方法、音訊處理裝置及用於音訊處理之非暫時性電腦可讀媒體 |
| US10650834B2 (en) | 2018-01-10 | 2020-05-12 | Savitech Corp. | Audio processing method and non-transitory computer readable medium |
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