TWI618050B - 用於音訊處理系統中之訊號去相關的方法及設備 - Google Patents
用於音訊處理系統中之訊號去相關的方法及設備 Download PDFInfo
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- TWI618050B TWI618050B TW103101428A TW103101428A TWI618050B TW I618050 B TWI618050 B TW I618050B TW 103101428 A TW103101428 A TW 103101428A TW 103101428 A TW103101428 A TW 103101428A TW I618050 B TWI618050 B TW I618050B
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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
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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
- G10L19/04—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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
-
- 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
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361764837P | 2013-02-14 | 2013-02-14 | |
| US61/764,837 | 2013-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201443877A TW201443877A (zh) | 2014-11-16 |
| TWI618050B true TWI618050B (zh) | 2018-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103101428A TWI618050B (zh) | 2013-02-14 | 2014-01-15 | 用於音訊處理系統中之訊號去相關的方法及設備 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9830916B2 (OSRAM) |
| EP (1) | EP2956933B1 (OSRAM) |
| JP (1) | JP6038355B2 (OSRAM) |
| KR (1) | KR102114648B1 (OSRAM) |
| CN (1) | CN104995676B (OSRAM) |
| BR (1) | BR112015018981B1 (OSRAM) |
| ES (1) | ES2613478T3 (OSRAM) |
| IN (1) | IN2015MN01954A (OSRAM) |
| RU (1) | RU2614381C2 (OSRAM) |
| TW (1) | TWI618050B (OSRAM) |
| WO (1) | WO2014126682A1 (OSRAM) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| EP2956935B1 (en) | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| WO2015153872A1 (en) * | 2014-04-02 | 2015-10-08 | Kla-Tencor Corporation | A method, system and computer program product for generating high density registration maps for masks |
| EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| EP3179744B1 (en) * | 2015-12-08 | 2018-01-31 | Axis AB | Method, device and system for controlling a sound image in an audio zone |
| CN105702263B (zh) * | 2016-01-06 | 2019-08-30 | 清华大学 | 语音重放检测方法和装置 |
| CN105931648B (zh) * | 2016-06-24 | 2019-05-03 | 百度在线网络技术（北京）有限公司 | 音频信号解混响方法和装置 |
| CN107895580B (zh) * | 2016-09-30 | 2021-06-01 | 华为技术有限公司 | 一种音频信号的重建方法和装置 |
| CN112397076A (zh) * | 2016-11-23 | 2021-02-23 | 瑞典爱立信有限公司 | 用于自适应控制去相关滤波器的方法和装置 |
| US10979844B2 (en) * | 2017-03-08 | 2021-04-13 | Dts, Inc. | Distributed audio virtualization systems |
| US10019981B1 (en) | 2017-06-02 | 2018-07-10 | Apple Inc. | Active reverberation augmentation |
| EP3573058B1 (en) * | 2018-05-23 | 2021-02-24 | Harman Becker Automotive Systems GmbH | Dry sound and ambient sound separation |
| CN111107024B (zh) * | 2018-10-25 | 2022-01-28 | 航天科工惯性技术有限公司 | 时间与频率混合编码的防错解码方法 |
| CN109557509B (zh) * | 2018-11-23 | 2020-08-11 | 安徽四创电子股份有限公司 | 一种用于改善脉间干扰的双脉冲信号合成器 |
| CN109672946B (zh) * | 2019-02-15 | 2023-12-15 | 深圳市昊一源科技有限公司 | 一种无线通话系统、转发设备、终端设备及转发方法 |
| US11195541B2 (en) * | 2019-05-08 | 2021-12-07 | Samsung Electronics Co., Ltd | Transformer with gaussian weighted self-attention for speech enhancement |
| CN110267064B (zh) * | 2019-06-12 | 2021-11-12 | 百度在线网络技术（北京）有限公司 | 音频播放状态处理方法、装置、设备及存储介质 |
| CN110740404B (zh) * | 2019-09-27 | 2020-12-25 | 广州励丰文化科技股份有限公司 | 一种音频相关性的处理方法及音频处理装置 |
| CN110740416B (zh) * | 2019-09-27 | 2021-04-06 | 广州励丰文化科技股份有限公司 | 一种音频信号处理方法及装置 |
| CA3194876A1 (en) | 2020-10-09 | 2022-04-14 | Franz REUTELHUBER | Apparatus, method, or computer program for processing an encoded audio scene using a bandwidth extension |
| TWI805019B (zh) | 2020-10-09 | 2023-06-11 | 弗勞恩霍夫爾協會 | 使用參數平滑處理編碼音頻場景的裝置、方法或電腦程式 |
| EP4443911A4 (en) * | 2021-12-03 | 2025-02-19 | Beijing Xiaomi Mobile Software Co., Ltd. | STEREO AUDIO SIGNAL PROCESSING METHOD, AND DEVICE/STORAGE MEDIUM/APPARATUS |
| GB2630112A (en) * | 2023-05-17 | 2024-11-20 | Sony Interactive Entertainment Europe Ltd | A method for decorrelating a set of simulated audio signals |
| WO2025160833A1 (zh) * | 2024-01-31 | 2025-08-07 | 北京小米移动软件有限公司 | 编解码方法、装置以及存储介质 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006008697A1 (en) * | 2004-07-14 | 2006-01-26 | Koninklijke Philips Electronics N.V. | Audio channel conversion |
| WO2006026452A1 (en) * | 2004-08-25 | 2006-03-09 | Dolby Laboratories Licensing Corporation | Multichannel decorrelation in spatial audio coding |
| EP2144229A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
Family Cites Families (65)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8308843D0 (en) | 1983-03-30 | 1983-05-11 | Clark A P | Apparatus for adjusting receivers of data transmission channels |
| CA1321645C (en) | 1988-09-28 | 1993-08-24 | Akira Ichikawa | Method and system for voice coding based on vector quantization |
| JP2001519995A (ja) | 1998-02-13 | 2001-10-23 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | サラウンド音声再生システム、音声／視覚再生システム、サラウンド信号処理ユニット、および入力サラウンド信号を処理する方法 |
| US6175631B1 (en) | 1999-07-09 | 2001-01-16 | Stephen A. Davis | Method and apparatus for decorrelating audio signals |
| US7218665B2 (en) | 2003-04-25 | 2007-05-15 | Bae Systems Information And Electronic Systems Integration Inc. | Deferred decorrelating decision-feedback detector for supersaturated communications |
| SE0301273D0 (sv) | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| US20090299756A1 (en) | 2004-03-01 | 2009-12-03 | Dolby Laboratories Licensing Corporation | Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
| CA2992125C (en) | 2004-03-01 | 2018-09-25 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
| DK3561810T3 (da) * | 2004-04-05 | 2023-05-01 | Koninklijke Philips Nv | Fremgangsmåde til kodning af venstre og højre audioindgangssignaler, tilsvarende koder, afkoder og computerprogramprodukt |
| SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| US20090052681A1 (en) | 2004-10-15 | 2009-02-26 | Koninklijke Philips Electronics, N.V. | System and a method of processing audio data, a program element, and a computer-readable medium |
| SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| US7787631B2 (en) | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| 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 |
| CN101228575B (zh) | 2005-06-03 | 2012-09-26 | 杜比实验室特许公司 | 利用侧向信息的声道重新配置 |
| DE602006007139D1 (de) | 2005-07-14 | 2009-07-16 | Dolby Sweden Ab | Audiokodierung und audiodekodierung |
| EP1906706B1 (en) | 2005-07-15 | 2009-11-25 | Panasonic Corporation | Audio decoder |
| RU2383942C2 (ru) | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
| AU2006285538B2 (en) | 2005-08-30 | 2011-03-24 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| US7974713B2 (en) | 2005-10-12 | 2011-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Temporal and spatial shaping of multi-channel audio signals |
| US7536299B2 (en) | 2005-12-19 | 2009-05-19 | Dolby Laboratories Licensing Corporation | Correlating and decorrelating transforms for multiple description coding systems |
| JP2007178684A (ja) * | 2005-12-27 | 2007-07-12 | Matsushita Electric Ind Co Ltd | マルチチャンネルオーディオ復号装置 |
| WO2007083956A1 (en) | 2006-01-19 | 2007-07-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| TW200742275A (en) | 2006-03-21 | 2007-11-01 | Dolby Lab Licensing Corp | Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information |
| US8116459B2 (en) | 2006-03-28 | 2012-02-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Enhanced method for signal shaping in multi-channel audio reconstruction |
| DE602006010323D1 (de) | 2006-04-13 | 2009-12-24 | Fraunhofer Ges Forschung | Audiosignaldekorrelator |
| US8379868B2 (en) | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
| EP1883067A1 (en) | 2006-07-24 | 2008-01-30 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| JP5513887B2 (ja) | 2006-09-14 | 2014-06-04 | コーニンクレッカ フィリップス エヌ ヴェ | 多チャネル信号のためのスイートスポット操作 |
| RU2406166C2 (ru) | 2007-02-14 | 2010-12-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способы и устройства кодирования и декодирования основывающихся на объектах ориентированных аудиосигналов |
| DE102007018032B4 (de) | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| US8015368B2 (en) | 2007-04-20 | 2011-09-06 | Siport, Inc. | Processor extensions for accelerating spectral band replication |
| BRPI0809760B1 (pt) | 2007-04-26 | 2020-12-01 | Dolby International Ab | aparelho e método para sintetizar um sinal de saída |
| ATE493731T1 (de) * | 2007-06-08 | 2011-01-15 | Dolby Lab Licensing Corp | Hybridableitung von surround-sound-audiokanälen durch steuerbares kombinieren von umgebungs- und matrixdekodierten signalkomponenten |
| US8046214B2 (en) | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US8064624B2 (en) | 2007-07-19 | 2011-11-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for generating a stereo signal with enhanced perceptual quality |
| US20100040243A1 (en) | 2008-08-14 | 2010-02-18 | Johnston James D | Sound Field Widening and Phase Decorrelation System and Method |
| EP2209114B1 (en) | 2007-10-31 | 2014-05-14 | Panasonic Corporation | Speech coding/decoding apparatus/method |
| US20090281803A1 (en) | 2008-05-12 | 2009-11-12 | Broadcom Corporation | Dispersion filtering for speech intelligibility enhancement |
| JP5326465B2 (ja) | 2008-09-26 | 2013-10-30 | 富士通株式会社 | オーディオ復号方法、装置、及びプログラム |
| TWI413109B (zh) | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
| EP2214162A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| EP2214165A3 (en) | 2009-01-30 | 2010-09-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for manipulating an audio signal comprising a transient event |
| ES2374486T3 (es) | 2009-03-26 | 2012-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dispositivo y método para manipular una señal de audio. |
| US8497467B2 (en) | 2009-04-13 | 2013-07-30 | Telcordia Technologies, Inc. | Optical filter control |
| JP5678048B2 (ja) | 2009-06-24 | 2015-02-25 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | カスケード化されたオーディオオブジェクト処理ステージを用いたオーディオ信号デコーダ、オーディオ信号を復号化する方法、およびコンピュータプログラム |
| GB2465047B (en) | 2009-09-03 | 2010-09-22 | Peter Graham Craven | Prediction of signals |
| KR101629306B1 (ko) | 2009-12-07 | 2016-06-10 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응형 하이브리드 변환을 사용한 다채널 오디오 엔코딩된 비트 스트림들의 디코딩 |
| EP2360681A1 (en) | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
| TWI444989B (zh) | 2010-01-22 | 2014-07-11 | Dolby Lab Licensing Corp | 針對改良多通道上混使用多通道解相關之技術 |
| JP5299327B2 (ja) | 2010-03-17 | 2013-09-25 | ソニー株式会社 | 音声処理装置、音声処理方法、およびプログラム |
| 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 |
| IL286761B (en) * | 2010-04-09 | 2022-09-01 | Dolby Int Ab | An uplink mixer is active in predictive or non-predictive mode |
| CN104347079B (zh) | 2010-08-24 | 2017-11-28 | Lg电子株式会社 | 处理音频信号的方法和设备 |
| TWI516138B (zh) | 2010-08-24 | 2016-01-01 | 杜比國際公司 | 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品 |
| CN103180898B (zh) | 2010-08-25 | 2015-04-08 | 弗兰霍菲尔运输应用研究公司 | 用于利用合成单元和混频器解码包括瞬时的信号的设备 |
| US8908874B2 (en) | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
| EP2477188A1 (en) | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of slot positions of events in an audio signal frame |
| CA2830439C (en) | 2011-03-18 | 2016-10-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder and decoder having a flexible configuration functionality |
| CN102903368B (zh) * | 2011-07-29 | 2017-04-12 | 杜比实验室特许公司 | 用于卷积盲源分离的方法和设备 |
| PL2740222T3 (pl) | 2011-08-04 | 2015-08-31 | Dolby Int Ab | Usprawniony stereofoniczny radiowy odbiornik FM poprzez użycie stereo parametrycznego |
| US8527264B2 (en) | 2012-01-09 | 2013-09-03 | Dolby Laboratories Licensing Corporation | Method and system for encoding audio data with adaptive low frequency compensation |
| ES2549953T3 (es) | 2012-08-27 | 2015-11-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
-
2014
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- 2014-01-22 RU RU2015133287A patent/RU2614381C2/ru active
- 2014-01-22 CN CN201480008604.9A patent/CN104995676B/zh active Active
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- 2014-01-22 US US14/766,371 patent/US9830916B2/en active Active
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- 2014-01-22 WO PCT/US2014/012453 patent/WO2014126682A1/en not_active Ceased
- 2014-01-22 JP JP2015556956A patent/JP6038355B2/ja active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006008697A1 (en) * | 2004-07-14 | 2006-01-26 | Koninklijke Philips Electronics N.V. | Audio channel conversion |
| WO2006026452A1 (en) * | 2004-08-25 | 2006-03-09 | Dolby Laboratories Licensing Corporation | Multichannel decorrelation in spatial audio coding |
| EP2144229A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
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| Publication number | Publication date |
|---|---|
| BR112015018981A2 (pt) | 2017-07-18 |
| CN104995676B (zh) | 2018-03-30 |
| JP6038355B2 (ja) | 2016-12-07 |
| ES2613478T3 (es) | 2017-05-24 |
| KR102114648B1 (ko) | 2020-05-26 |
| RU2614381C2 (ru) | 2017-03-24 |
| RU2015133287A (ru) | 2017-02-21 |
| IN2015MN01954A (OSRAM) | 2015-08-28 |
| KR20150106949A (ko) | 2015-09-22 |
| TW201443877A (zh) | 2014-11-16 |
| WO2014126682A1 (en) | 2014-08-21 |
| US20150380000A1 (en) | 2015-12-31 |
| JP2016510433A (ja) | 2016-04-07 |
| EP2956933A1 (en) | 2015-12-23 |
| US9830916B2 (en) | 2017-11-28 |
| BR112015018981B1 (pt) | 2022-02-01 |
| EP2956933B1 (en) | 2016-11-16 |
| HK1213686A1 (en) | 2016-07-08 |
| CN104995676A (zh) | 2015-10-21 |
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