DE602006002501D1 - Audiokodierung und audiodekodierung - Google Patents

Audiokodierung und audiodekodierung

Info

Publication number
DE602006002501D1
DE602006002501D1 DE602006002501T DE602006002501T DE602006002501D1 DE 602006002501 D1 DE602006002501 D1 DE 602006002501D1 DE 602006002501 T DE602006002501 T DE 602006002501T DE 602006002501 T DE602006002501 T DE 602006002501T DE 602006002501 D1 DE602006002501 D1 DE 602006002501D1
Authority
DE
Germany
Prior art keywords
enhancement data
signal
channel signal
channel
relative
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE602006002501T
Other languages
German (de)
English (en)
Inventor
Gerard H Hotho
Francois P Myburg
Arnoldus W Oomen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36607294&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602006002501(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602006002501D1 publication Critical patent/DE602006002501D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE602006002501T 2005-03-30 2006-03-16 Audiokodierung und audiodekodierung Expired - Lifetime DE602006002501D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP05102515 2005-03-30
EP05103085 2005-04-18
EP06100245 2006-01-11
PCT/IB2006/050826 WO2006103586A1 (en) 2005-03-30 2006-03-16 Audio encoding and decoding

Publications (1)

Publication Number Publication Date
DE602006002501D1 true DE602006002501D1 (de) 2008-10-09

Family

ID=36607294

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006002501T Expired - Lifetime DE602006002501D1 (de) 2005-03-30 2006-03-16 Audiokodierung und audiodekodierung

Country Status (11)

Country Link
US (1) US7840411B2 (https=)
EP (1) EP1866913B1 (https=)
JP (1) JP5106383B2 (https=)
KR (2) KR101346120B1 (https=)
CN (2) CN101151660B (https=)
AT (1) ATE406651T1 (https=)
BR (1) BRPI0608756B1 (https=)
DE (1) DE602006002501D1 (https=)
ES (1) ES2313646T3 (https=)
MX (1) MX2007011995A (https=)
WO (1) WO2006103586A1 (https=)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4555299B2 (ja) * 2004-09-28 2010-09-29 パナソニック株式会社 スケーラブル符号化装置およびスケーラブル符号化方法
DE602006011600D1 (de) * 2005-04-28 2010-02-25 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
EP1876585B1 (en) * 2005-04-28 2010-06-16 Panasonic Corporation Audio encoding device and audio encoding method
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
BRPI0718738B1 (pt) 2006-12-12 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
RU2495503C2 (ru) * 2008-07-29 2013-10-10 Панасоник Корпорэйшн Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) * 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
BR122019023947B1 (pt) 2009-03-17 2021-04-06 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
RU2551792C2 (ru) * 2010-06-02 2015-05-27 Конинклейке Филипс Электроникс Н.В. Система и способ для обработки звука
CN103415883B (zh) 2011-03-28 2015-11-25 杜比实验室特许公司 用于低频效果声道的减少复杂性变换
CN102802112B (zh) * 2011-05-24 2014-08-13 鸿富锦精密工业(深圳)有限公司 具有音频文件格式转换功能的电子装置
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
EP2830048A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
CN105612766B (zh) 2013-07-22 2018-07-27 弗劳恩霍夫应用研究促进协会 使用渲染音频信号的解相关的多声道音频解码器、多声道音频编码器、方法、以及计算机可读介质
EP2830051A3 (en) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2830333A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
CN103413553B (zh) * 2013-08-20 2016-03-09 腾讯科技(深圳)有限公司 音频编码方法、音频解码方法、编码端、解码端和系统
US9067135B2 (en) * 2013-10-07 2015-06-30 Voyetra Turtle Beach, Inc. Method and system for dynamic control of game audio based on audio analysis
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
CN105206278A (zh) * 2014-06-23 2015-12-30 张军 一种基于流水线的三维音频编码加速方法
WO2016035567A1 (ja) * 2014-09-01 2016-03-10 ソニー株式会社 音声処理装置
AU2020310952A1 (en) 2019-07-08 2022-01-20 Voiceage Corporation Method and system for coding metadata in audio streams and for efficient bitrate allocation to audio streams coding

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
SG54379A1 (en) * 1996-10-24 1998-11-16 Sgs Thomson Microelectronics A Audio decoder with an adaptive frequency domain downmixer
US5946352A (en) * 1997-05-02 1999-08-31 Texas Instruments Incorporated Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain
US6122619A (en) * 1998-06-17 2000-09-19 Lsi Logic Corporation Audio decoder with programmable downmixing of MPEG/AC-3 and method therefor
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
SE519985C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
ATE315823T1 (de) * 2002-02-18 2006-02-15 Koninkl Philips Electronics Nv Parametrische audiocodierung
JP4805541B2 (ja) * 2002-04-10 2011-11-02 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 ステレオ信号の符号化
CN100539742C (zh) * 2002-07-12 2009-09-09 皇家飞利浦电子股份有限公司 多声道音频信号编解码方法和装置
KR100528325B1 (ko) * 2002-12-18 2005-11-15 삼성전자주식회사 비트율 조절이 가능한 스테레오 오디오 부호화 및복호화방법 및 그 장치
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
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
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US7391870B2 (en) * 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
JP4898673B2 (ja) * 2004-07-14 2012-03-21 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 方法、装置、エンコーダ装置、デコーダ装置及びオーディオシステム
TWI393121B (zh) * 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
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

Also Published As

Publication number Publication date
KR101346120B1 (ko) 2014-01-02
CN101151658B (zh) 2011-07-06
WO2006103586A1 (en) 2006-10-05
ATE406651T1 (de) 2008-09-15
US7840411B2 (en) 2010-11-23
US20100153118A1 (en) 2010-06-17
JP5106383B2 (ja) 2012-12-26
MX2007011995A (es) 2007-12-07
ES2313646T3 (es) 2009-03-01
EP1866913B1 (en) 2008-08-27
KR20130079627A (ko) 2013-07-10
CN101151658A (zh) 2008-03-26
JP2008535015A (ja) 2008-08-28
EP1866913A1 (en) 2007-12-19
KR20070116174A (ko) 2007-12-06
CN101151660A (zh) 2008-03-26
BRPI0608756B1 (pt) 2019-06-04
CN101151660B (zh) 2011-10-19
BRPI0608756A2 (pt) 2011-03-15

Similar Documents

Publication Publication Date Title
DE602006002501D1 (de) Audiokodierung und audiodekodierung
DE602007004451D1 (de) Audiokodierung und audiodekodierung
TW200641795A (en) Parametric coding of spatial audio with cues based on transmitted channels
DE602006015294D1 (de) Mehrkanal-audiocodierung
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
ATE499677T1 (de) Kodierung und dekodierung von audio-objekten
MX2011011399A (es) Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
ATE416455T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen
MX2009007412A (es) Decodificador de audio.
TW200721111A (en) Audio coding
JP2009524103A5 (https=)
EP2088580B1 (en) Audio decoding
SE0402650D0 (sv) Improved parametric stereo compatible coding of spatial audio
RU2017108988A (ru) Усовершенствованное стереофоническое кодирование на основе комбинации адаптивно выбираемого левого/правого или среднего/побочного стереофонического кодирования и параметрического стереофонического кодирования
JP5377505B2 (ja) 結合装置、遠隔通信システム及び結合方法
EP4365894A3 (en) Multi-channel signal encoding method, multi-channel signal decoding method, encoder, and decoder
RU2010152580A (ru) Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
MY142581A (en) Compact side information for parametric coding of spatial audio
WO2006126844A3 (en) Method and apparatus for decoding an audio signal
WO2010013450A1 (ja) 音響符号化装置、音響復号化装置、音響符号化復号化装置および会議システム
WO2010008175A3 (ko) 음성/오디오 통합 신호의 부호화/복호화 장치
TW200628002A (en) Method, device, encoder apparatus, decoder apparatus and audio system
DE602005017660D1 (de) Audiokodierungsvorrichtung und audiokodierungsmethode
KR102033985B1 (ko) 공간적 오디오 객체 코딩에 오디오 정보를 적응시키기 위한 장치 및 방법
MY151722A (en) Concept for combining multiple parametrically coded audio sources

Legal Events

Date Code Title Description
8364 No opposition during term of opposition