CN109509478B - 音频处理装置 - Google Patents
音频处理装置 Download PDFInfo
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- CN109509478B CN109509478B CN201910045920.8A CN201910045920A CN109509478B CN 109509478 B CN109509478 B CN 109509478B CN 201910045920 A CN201910045920 A CN 201910045920A CN 109509478 B CN109509478 B CN 109509478B
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Classifications
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- 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
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- 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
- G10L19/032—Quantisation or dequantisation of spectral components
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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
- G10L19/04—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
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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
- G10L19/04—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045920.8A CN109509478B (zh) | 2013-04-05 | 2014-04-04 | 音频处理装置 |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
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| US201361809019P | 2013-04-05 | 2013-04-05 | |
| US61/809,019 | 2013-04-05 | ||
| US201361875959P | 2013-09-10 | 2013-09-10 | |
| US61/875,959 | 2013-09-10 | ||
| CN201480024625.XA CN105247613B (zh) | 2013-04-05 | 2014-04-04 | 音频处理系统 |
| CN201910045920.8A CN109509478B (zh) | 2013-04-05 | 2014-04-04 | 音频处理装置 |
| PCT/EP2014/056857 WO2014161996A2 (en) | 2013-04-05 | 2014-04-04 | Audio processing system |
Related Parent Applications (1)
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| CN201480024625.XA Division CN105247613B (zh) | 2013-04-05 | 2014-04-04 | 音频处理系统 |
Publications (2)
| Publication Number | Publication Date |
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| CN109509478A CN109509478A (zh) | 2019-03-22 |
| CN109509478B true CN109509478B (zh) | 2023-09-05 |
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Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101717006B1 (ko) * | 2013-04-05 | 2017-03-15 | 돌비 인터네셔널 에이비 | 오디오 프로세싱 시스템 |
| TWI557727B (zh) | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| ES2726193T3 (es) * | 2014-08-28 | 2019-10-02 | Nokia Technologies Oy | Cuantificación de parámetros de audio |
| WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| EP3281196A1 (en) * | 2015-04-10 | 2018-02-14 | Thomson Licensing | Method and device for encoding multiple audio signals, and method and device for decoding a mixture of multiple audio signals with improved separation |
| EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| WO2017080835A1 (en) * | 2015-11-10 | 2017-05-18 | Dolby International Ab | Signal-dependent companding system and method to reduce quantization noise |
| KR101968456B1 (ko) * | 2016-01-26 | 2019-04-11 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응형 양자화 |
| KR102546098B1 (ko) * | 2016-03-21 | 2023-06-22 | 한국전자통신연구원 | 블록 기반의 오디오 부호화/복호화 장치 및 그 방법 |
| US20170289536A1 (en) * | 2016-03-31 | 2017-10-05 | Le Holdings (Beijing) Co., Ltd. | Method of audio debugging for television and electronic device |
| JP6976277B2 (ja) * | 2016-06-22 | 2021-12-08 | ドルビー・インターナショナル・アーベー | 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法 |
| US10249307B2 (en) * | 2016-06-27 | 2019-04-02 | Qualcomm Incorporated | Audio decoding using intermediate sampling rate |
| US10224042B2 (en) * | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
| MX387555B (es) * | 2016-11-08 | 2025-03-18 | Fraunhofer Ges Forschung | Mezclador y metodo para mezclar al menos dos canales y codificador multicanal y decodificador multicanal |
| GB2559200A (en) * | 2017-01-31 | 2018-08-01 | Nokia Technologies Oy | Stereo audio signal encoder |
| US10475457B2 (en) | 2017-07-03 | 2019-11-12 | Qualcomm Incorporated | Time-domain inter-channel prediction |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| JP2021528001A (ja) | 2018-06-18 | 2021-10-14 | マジック リープ， インコーポレイテッドＭａｇｉｃ Ｌｅａｐ，Ｉｎｃ． | 双方向オーディオ環境のための空間オーディオ |
| CN112352277B (zh) * | 2018-07-03 | 2024-05-31 | 松下电器（美国）知识产权公司 | 编码装置及编码方法 |
| US11430463B2 (en) * | 2018-07-12 | 2022-08-30 | Dolby Laboratories Licensing Corporation | Dynamic EQ |
| EP3935581A4 (en) | 2019-03-04 | 2022-11-30 | Iocurrents, Inc. | DATA COMPRESSION AND COMMUNICATION USING MACHINE LEARNING |
| 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 |
| CN110335615B (zh) * | 2019-05-05 | 2021-11-16 | 北京字节跳动网络技术有限公司 | 音频数据的处理方法、装置、电子设备及存储介质 |
| WO2021004048A1 (zh) * | 2019-07-09 | 2021-01-14 | 海信视像科技股份有限公司 | 显示装置、音频数据的传输方法 |
| CN114424282A (zh) * | 2019-09-03 | 2022-04-29 | 杜比实验室特许公司 | 低时延低频率效应编译码器 |
| RU2731602C1 (ru) * | 2019-09-30 | 2020-09-04 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Способ и устройство компандирования с предыскажением звуковых вещательных сигналов |
| CN113140225B (zh) * | 2020-01-20 | 2024-07-02 | 腾讯科技（深圳）有限公司 | 语音信号处理方法、装置、电子设备及存储介质 |
| CN111354365B (zh) * | 2020-03-10 | 2023-10-31 | 苏宁云计算有限公司 | 一种纯语音数据采样率识别方法、装置、系统 |
| JP7567180B2 (ja) * | 2020-03-13 | 2024-10-16 | ヤマハ株式会社 | 音響処理装置および音響処理方法 |
| JP7491395B2 (ja) * | 2020-11-05 | 2024-05-28 | 日本電信電話株式会社 | 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体 |
| AU2021393468A1 (en) | 2020-12-02 | 2023-07-20 | Dolby International Ab | Immersive voice and audio services (ivas) with adaptive downmix strategies |
| WO2022158943A1 (ko) | 2021-01-25 | 2022-07-28 | 삼성전자 주식회사 | 다채널 오디오 신호 처리 장치 및 방법 |
| CN118038879A (zh) * | 2022-11-07 | 2024-05-14 | 抖音视界有限公司 | 一种音频数据的编码方法、解码方法及装置 |
| GB2624686B (en) * | 2022-11-25 | 2025-07-23 | Lenbrook Industries Ltd | Improvements to audio coding |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005078706A1 (en) * | 2004-02-18 | 2005-08-25 | Voiceage Corporation | Methods and devices for low-frequency emphasis during audio compression based on acelp/tcx |
| CN1677493A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| CN101006494A (zh) * | 2004-08-25 | 2007-07-25 | 杜比实验室特许公司 | 利用频域维纳滤波对空间音频编码进行时间包络整形 |
| WO2008021247A3 (en) * | 2006-08-15 | 2008-04-17 | Dolby Lab Licensing Corp | Arbitrary shaping of temporal noise envelope without side-information |
| CN101253557A (zh) * | 2005-08-31 | 2008-08-27 | 松下电器产业株式会社 | 立体声编码装置、立体声解码装置、及立体声编码方法 |
| CN101606192A (zh) * | 2007-02-06 | 2009-12-16 | 皇家飞利浦电子股份有限公司 | 低复杂度参数化立体声解码器 |
| WO2010008176A1 (ko) * | 2008-07-14 | 2010-01-21 | 한국전자통신연구원 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| CN101860784A (zh) * | 2004-04-16 | 2010-10-13 | 杜比国际公司 | 多声道音频信号表示方法 |
| CN101930740A (zh) * | 2004-11-02 | 2010-12-29 | 杜比国际公司 | 使用解相关信号的多信道音频信号解码 |
| CN102099857A (zh) * | 2008-07-18 | 2011-06-15 | 杜比实验室特许公司 | 用于解码器中的编码音频数据的频域后滤波的方法和系统 |
| EP2360683A1 (en) * | 2010-02-18 | 2011-08-24 | Dolby Laboratories Licensing Corporation | Audio decoder and decoding method using efficient downmixing |
| CN102687405A (zh) * | 2009-11-04 | 2012-09-19 | 三星电子株式会社 | 多声道音频信号的编码/解码装置及方法 |
Family Cites Families (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3582589B2 (ja) * | 2001-03-07 | 2004-10-27 | 日本電気株式会社 | 音声符号化装置及び音声復号化装置 |
| US7292901B2 (en) | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| JP4108317B2 (ja) * | 2001-11-13 | 2008-06-25 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びに記憶媒体 |
| US7657427B2 (en) | 2002-10-11 | 2010-02-02 | Nokia Corporation | Methods and devices for source controlled variable bit-rate wideband speech coding |
| KR101169596B1 (ko) * | 2003-04-17 | 2012-07-30 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 신호 합성 |
| US7412380B1 (en) * | 2003-12-17 | 2008-08-12 | Creative Technology Ltd. | Ambience extraction and modification for enhancement and upmix of audio signals |
| US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| GB0402661D0 (en) * | 2004-02-06 | 2004-03-10 | Medical Res Council | TPL2 and its expression |
| 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 |
| JP5106115B2 (ja) * | 2004-11-30 | 2012-12-26 | アギア システムズ インコーポレーテッド | オブジェクト・ベースのサイド情報を用いる空間オーディオのパラメトリック・コーディング |
| US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| MX2007011915A (es) * | 2005-03-30 | 2007-11-22 | Koninkl Philips Electronics Nv | Codificacion de audio multicanal. |
| 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 |
| US20080004883A1 (en) | 2006-06-30 | 2008-01-03 | Nokia Corporation | Scalable audio coding |
| JP5270557B2 (ja) | 2006-10-16 | 2013-08-21 | ドルビー・インターナショナル・アクチボラゲット | 多チャネルダウンミックスされたオブジェクト符号化における強化された符号化及びパラメータ表現 |
| JP4930320B2 (ja) * | 2006-11-30 | 2012-05-16 | ソニー株式会社 | 再生方法及び装置、プログラム並びに記録媒体 |
| US8363842B2 (en) | 2006-11-30 | 2013-01-29 | Sony Corporation | Playback method and apparatus, program, and recording medium |
| US8200351B2 (en) | 2007-01-05 | 2012-06-12 | STMicroelectronics Asia PTE., Ltd. | Low power downmix energy equalization in parametric stereo encoders |
| US8290167B2 (en) * | 2007-03-21 | 2012-10-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
| WO2009046460A2 (en) * | 2007-10-04 | 2009-04-09 | Creative Technology Ltd | Phase-amplitude 3-d stereo encoder and decoder |
| EP2077551B1 (en) | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| US8546172B2 (en) * | 2008-01-18 | 2013-10-01 | Miasole | Laser polishing of a back contact of a solar cell |
| EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| PL2301027T3 (pl) | 2008-07-11 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób generowania danych wyjściowych rozszerzenia pasma |
| KR101261677B1 (ko) * | 2008-07-14 | 2013-05-06 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| PT2146344T (pt) * | 2008-07-17 | 2016-10-13 | Fraunhofer Ges Forschung | Esquema de codificação/descodificação de áudio com uma derivação comutável |
| US9330671B2 (en) | 2008-10-10 | 2016-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Energy conservative multi-channel audio coding |
| CN102257562B (zh) * | 2008-12-19 | 2013-09-11 | 杜比国际公司 | 用空间线索参数对多通道音频信号应用混响的方法和装置 |
| WO2010075895A1 (en) | 2008-12-30 | 2010-07-08 | Nokia Corporation | Parametric audio coding |
| EP2214161A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
| WO2010105926A2 (en) | 2009-03-17 | 2010-09-23 | Dolby International Ab | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
| FR2947945A1 (fr) | 2009-07-07 | 2011-01-14 | France Telecom | Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques |
| KR20110022252A (ko) | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
| US9117458B2 (en) * | 2009-11-12 | 2015-08-25 | Lg Electronics Inc. | Apparatus for processing an audio signal and method thereof |
| US8442837B2 (en) | 2009-12-31 | 2013-05-14 | Motorola Mobility Llc | Embedded speech and audio coding using a switchable model core |
| US8423355B2 (en) | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
| 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 |
| US8489391B2 (en) | 2010-08-05 | 2013-07-16 | Stmicroelectronics Asia Pacific Pte., Ltd. | Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication |
| 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 |
| WO2012058805A1 (en) | 2010-11-03 | 2012-05-10 | Huawei Technologies Co., Ltd. | Parametric encoder for encoding a multi-channel audio signal |
| AU2012217158B2 (en) | 2011-02-14 | 2014-02-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Information signal representation using lapped transform |
| EP2523473A1 (en) * | 2011-05-11 | 2012-11-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating an output signal employing a decomposer |
| USRE48258E1 (en) | 2011-11-11 | 2020-10-13 | Dolby International Ab | Upsampling using oversampled SBR |
| KR101717006B1 (ko) * | 2013-04-05 | 2017-03-15 | 돌비 인터네셔널 에이비 | 오디오 프로세싱 시스템 |
-
2014
- 2014-04-04 KR KR1020157031853A patent/KR101717006B1/ko active Active
- 2014-04-04 US US14/781,232 patent/US9478224B2/en active Active
- 2014-04-04 CN CN201480024625.XA patent/CN105247613B/zh active Active
- 2014-04-04 RU RU2015147158A patent/RU2625444C2/ru active
- 2014-04-04 EP EP14717713.3A patent/EP2981956B1/en active Active
- 2014-04-04 JP JP2016505845A patent/JP6013646B2/ja active Active
- 2014-04-04 BR BR112015025092-0A patent/BR112015025092B1/pt active IP Right Grant
- 2014-04-04 WO PCT/EP2014/056857 patent/WO2014161996A2/en not_active Ceased
- 2014-04-04 CN CN201910045920.8A patent/CN109509478B/zh active Active
- 2014-04-04 IN IN2784MUN2015 patent/IN2015MN02784A/en unknown
- 2014-04-04 ES ES14717713T patent/ES2934646T3/es active Active
-
2016
- 2016-09-01 US US15/255,009 patent/US9812136B2/en active Active
- 2016-09-21 JP JP2016184272A patent/JP6407928B2/ja active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005078706A1 (en) * | 2004-02-18 | 2005-08-25 | Voiceage Corporation | Methods and devices for low-frequency emphasis during audio compression based on acelp/tcx |
| CN1677493A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| CN101860784A (zh) * | 2004-04-16 | 2010-10-13 | 杜比国际公司 | 多声道音频信号表示方法 |
| CN101006494A (zh) * | 2004-08-25 | 2007-07-25 | 杜比实验室特许公司 | 利用频域维纳滤波对空间音频编码进行时间包络整形 |
| CN101930740A (zh) * | 2004-11-02 | 2010-12-29 | 杜比国际公司 | 使用解相关信号的多信道音频信号解码 |
| CN101253557A (zh) * | 2005-08-31 | 2008-08-27 | 松下电器产业株式会社 | 立体声编码装置、立体声解码装置、及立体声编码方法 |
| WO2008021247A3 (en) * | 2006-08-15 | 2008-04-17 | Dolby Lab Licensing Corp | Arbitrary shaping of temporal noise envelope without side-information |
| CN101606192A (zh) * | 2007-02-06 | 2009-12-16 | 皇家飞利浦电子股份有限公司 | 低复杂度参数化立体声解码器 |
| WO2010008176A1 (ko) * | 2008-07-14 | 2010-01-21 | 한국전자통신연구원 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| CN102099857A (zh) * | 2008-07-18 | 2011-06-15 | 杜比实验室特许公司 | 用于解码器中的编码音频数据的频域后滤波的方法和系统 |
| CN102687405A (zh) * | 2009-11-04 | 2012-09-19 | 三星电子株式会社 | 多声道音频信号的编码/解码装置及方法 |
| EP2360683A1 (en) * | 2010-02-18 | 2011-08-24 | Dolby Laboratories Licensing Corporation | Audio decoder and decoding method using efficient downmixing |
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| US9812136B2 (en) | 2017-11-07 |
| RU2625444C2 (ru) | 2017-07-13 |
| KR101717006B1 (ko) | 2017-03-15 |
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| JP6407928B2 (ja) | 2018-10-17 |
| CN109509478A (zh) | 2019-03-22 |
| WO2014161996A2 (en) | 2014-10-09 |
| BR112015025092B1 (pt) | 2022-01-11 |
| US9478224B2 (en) | 2016-10-25 |
| CN105247613A (zh) | 2016-01-13 |
| JP2016514858A (ja) | 2016-05-23 |
| JP6013646B2 (ja) | 2016-10-25 |
| BR112015025092A2 (pt) | 2017-07-18 |
| WO2014161996A3 (en) | 2014-12-04 |
| KR20150139601A (ko) | 2015-12-11 |
| US20160055855A1 (en) | 2016-02-25 |
| IN2015MN02784A (enExample) | 2015-10-23 |
| JP2017017749A (ja) | 2017-01-19 |
| EP2981956A2 (en) | 2016-02-10 |
| HK1214026A1 (zh) | 2016-07-15 |
| RU2015147158A (ru) | 2017-05-17 |
| CN105247613B (zh) | 2019-01-18 |
| ES2934646T3 (es) | 2023-02-23 |
| US20160372123A1 (en) | 2016-12-22 |
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