IN2015MN02784A - - Google Patents

Info

Publication number
IN2015MN02784A
IN2015MN02784A IN2784MUN2015A IN2015MN02784A IN 2015MN02784 A IN2015MN02784 A IN 2015MN02784A IN 2784MUN2015 A IN2784MUN2015 A IN 2784MUN2015A IN 2015MN02784 A IN2015MN02784 A IN 2015MN02784A
Authority
IN
India
Prior art keywords
time domain
audio signal
domain representation
stage
processing system
Prior art date
Application number
Other languages
English (en)
Inventor
Kristofer Kjoerling
Heiko Purnhagen
Lars Villemoes
Original Assignee
Dolby Int Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of IN2015MN02784A publication Critical patent/IN2015MN02784A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
IN2784MUN2015 2013-04-05 2014-04-04 IN2015MN02784A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361809019P 2013-04-05 2013-04-05
US201361875959P 2013-09-10 2013-09-10
PCT/EP2014/056857 WO2014161996A2 (fr) 2013-04-05 2014-04-04 Système de traitement audio

Publications (1)

Publication Number Publication Date
IN2015MN02784A true IN2015MN02784A (fr) 2015-10-23

Family

ID=50489074

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2784MUN2015 IN2015MN02784A (fr) 2013-04-05 2014-04-04

Country Status (11)

Country Link
US (2) US9478224B2 (fr)
EP (1) EP2981956B1 (fr)
JP (2) JP6013646B2 (fr)
KR (1) KR101717006B1 (fr)
CN (2) CN105247613B (fr)
BR (1) BR112015025092B1 (fr)
ES (1) ES2934646T3 (fr)
HK (1) HK1214026A1 (fr)
IN (1) IN2015MN02784A (fr)
RU (1) RU2625444C2 (fr)
WO (1) WO2014161996A2 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105247613B (zh) * 2013-04-05 2019-01-18 杜比国际公司 音频处理系统
CA2959450C (fr) * 2014-08-28 2019-11-12 Nokia Technologies Oy Quantification de parametre audio
WO2016142002A1 (fr) * 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Codeur audio, décodeur audio, procédé de codage de signal audio et procédé de décodage de signal audio codé
RU2716911C2 (ru) * 2015-04-10 2020-03-17 Интердиджитал Се Пэйтент Холдингз Способ и устройство для кодирования множественных аудиосигналов и способ и устройство для декодирования смеси множественных аудиосигналов с улучшенным разделением
EP3107096A1 (fr) * 2015-06-16 2016-12-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Décodage à échelle réduite
US10861475B2 (en) * 2015-11-10 2020-12-08 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise
EP3408851B1 (fr) 2016-01-26 2019-09-11 Dolby Laboratories Licensing Corporation Quantification adaptative
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
CA3045847C (fr) 2016-11-08 2021-06-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Melangeur-reducteur et procede pour le melange reducteur d'au moins deux voies, codeur multivoie et decodeur multivoie
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
CN116156411A (zh) * 2018-06-18 2023-05-23 奇跃公司 用于交互式音频环境的空间音频
CN112352277A (zh) * 2018-07-03 2021-02-09 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
JP2022523564A (ja) 2019-03-04 2022-04-25 アイオーカレンツ， インコーポレイテッド 機械学習を使用するデータ圧縮および通信
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
WO2021004049A1 (fr) * 2019-07-09 2021-01-14 海信视像科技股份有限公司 Dispositif d'affichage, et procédé et dispositif de transmission de données audio
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
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
JP2021145311A (ja) * 2020-03-13 2021-09-24 ヤマハ株式会社 音響処理装置および音響処理方法

Family Cites Families (57)

* Cited by examiner, † Cited by third party
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
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
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
CN1774957A (zh) * 2003-04-17 2006-05-17 皇家飞利浦电子股份有限公司 音频信号生成
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
CA2457988A1 (fr) * 2004-02-18 2005-08-18 Voiceage Corporation Methodes et dispositifs pour la compression audio basee sur le codage acelp/tcx et sur la quantification vectorielle a taux d'echantillonnage multiples
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
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
TWI497485B (zh) * 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
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
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
WO2006060279A1 (fr) * 2004-11-30 2006-06-08 Agere Systems Inc. Codage parametrique d'audio spatial avec des informations laterales basees sur des objets
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
ATE473502T1 (de) * 2005-03-30 2010-07-15 Koninkl Philips Electronics Nv Mehrkanal-audiocodierung
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
CN101253557B (zh) * 2005-08-31 2012-06-20 松下电器产业株式会社 立体声编码装置及立体声编码方法
US20080004883A1 (en) 2006-06-30 2008-01-03 Nokia Corporation Scalable audio coding
US8706507B2 (en) * 2006-08-15 2014-04-22 Dolby Laboratories Licensing Corporation Arbitrary shaping of temporal noise envelope without side-information utilizing unchanged quantization
DE602007013415D1 (de) 2006-10-16 2011-05-05 Dolby Sweden Ab Erweiterte codierung und parameterrepräsentation einer mehrkanaligen heruntergemischten objektcodierung
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
WO2008096313A1 (fr) * 2007-02-06 2008-08-14 Koninklijke Philips Electronics N.V. Décodeur stéréo paramétrique à faible complexité
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
CN101889307B (zh) * 2007-10-04 2013-01-23 创新科技有限公司 相位-幅度3d立体声编码器和解码器
ATE500588T1 (de) 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
US8546172B2 (en) * 2008-01-18 2013-10-01 Miasole Laser polishing of a back contact of a solar cell
MY155538A (en) 2008-07-11 2015-10-30 Fraunhofer Ges Forschung An apparatus and a method for generating bandwidth extension output data
EP2144230A1 (fr) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schéma de codage/décodage audio à taux bas de bits disposant des commutateurs en cascade
KR101261677B1 (ko) * 2008-07-14 2013-05-06 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
KR101381513B1 (ko) * 2008-07-14 2014-04-07 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
PL2146344T3 (pl) * 2008-07-17 2017-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście
US20110125507A1 (en) * 2008-07-18 2011-05-26 Dolby Laboratories Licensing Corporation Method and System for Frequency Domain Postfiltering of Encoded Audio Data in a Decoder
CN102177542B (zh) 2008-10-10 2013-01-09 艾利森电话股份有限公司 能量保留多通道音频编码
EP2377123B1 (fr) * 2008-12-19 2014-10-29 Dolby International AB Procédé et appareil pour appliquer une réverbération à un signal audio à canaux multiples à l'aide de paramètres de repères spatiaux
WO2010075895A1 (fr) 2008-12-30 2010-07-08 Nokia Corporation Codage audio paramétrique
EP2214161A1 (fr) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil, procédé et programme informatique pour effectuer un mélange élévateur d'un signal audio de mélange abaisseur
KR101367604B1 (ko) 2009-03-17 2014-02-26 돌비 인터네셔널 에이비 적응형으로 선택가능한 좌／우 또는 미드／사이드 스테레오 코딩과 파라메트릭 스테레오 코딩의 조합에 기초한 진보된 스테레오 코딩
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
KR20110049068A (ko) * 2009-11-04 2011-05-12 삼성전자주식회사 멀티 채널 오디오 신호의 부호화/복호화 장치 및 방법
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
TWI443646B (zh) * 2010-02-18 2014-07-01 Dolby Lab Licensing Corp 音訊解碼器及使用有效降混之解碼方法
US8423355B2 (en) 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
EP2375409A1 (fr) 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codeur audio, décodeur audio et procédés connexes pour le traitement de signaux audio multicanaux au moyen d'une prédiction complexe
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
EP2612321B1 (fr) 2010-09-28 2016-01-06 Huawei Technologies Co., Ltd. Dispositif et procédé pour post-traiter un signal audio multicanal ou un signal stéréo décodé
WO2012058805A1 (fr) 2010-11-03 2012-05-10 Huawei Technologies Co., Ltd. Codeur paramétrique pour coder un signal audio multi-canal
PL2550653T3 (pl) 2011-02-14 2014-09-30 Fraunhofer Ges Forschung Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej
EP2523473A1 (fr) * 2011-05-11 2012-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé de génération d'un signal de sortie employant décomposeur
JP6155274B2 (ja) * 2011-11-11 2017-06-28 ドルビー・インターナショナル・アーベー 過剰サンプリングされたｓｂｒを使ったアップサンプリング
CN105247613B (zh) * 2013-04-05 2019-01-18 杜比国际公司 音频处理系统

Also Published As

Publication number Publication date
KR101717006B1 (ko) 2017-03-15
US9478224B2 (en) 2016-10-25
RU2015147158A (ru) 2017-05-17
ES2934646T3 (es) 2023-02-23
JP6407928B2 (ja) 2018-10-17
EP2981956A2 (fr) 2016-02-10
WO2014161996A3 (fr) 2014-12-04
EP2981956B1 (fr) 2022-11-30
CN105247613A (zh) 2016-01-13
US9812136B2 (en) 2017-11-07
RU2625444C2 (ru) 2017-07-13
CN109509478B (zh) 2023-09-05
KR20150139601A (ko) 2015-12-11
JP2017017749A (ja) 2017-01-19
WO2014161996A2 (fr) 2014-10-09
HK1214026A1 (zh) 2016-07-15
BR112015025092A2 (pt) 2017-07-18
US20160055855A1 (en) 2016-02-25
CN109509478A (zh) 2019-03-22
CN105247613B (zh) 2019-01-18
BR112015025092B1 (pt) 2022-01-11
US20160372123A1 (en) 2016-12-22
JP6013646B2 (ja) 2016-10-25
JP2016514858A (ja) 2016-05-23

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