ATE406651T1 - Audiokodierung und audiodekodierung - Google Patents

Audiokodierung und audiodekodierung

Info

Publication number
ATE406651T1
ATE406651T1 AT06727674T AT06727674T ATE406651T1 AT E406651 T1 ATE406651 T1 AT E406651T1 AT 06727674 T AT06727674 T AT 06727674T AT 06727674 T AT06727674 T AT 06727674T AT E406651 T1 ATE406651 T1 AT E406651T1
Authority
AT
Austria
Prior art keywords
enhancement data
signal
channel signal
channel
relative
Prior art date
Application number
AT06727674T
Other languages
German (de)
English (en)
Inventor
Gerard Hotho
Francois Myburg
Arnoldus Oomen
Original Assignee
Koninkl 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=ATE406651(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE406651T1 publication Critical patent/ATE406651T1/de

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (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)
AT06727674T 2005-03-30 2006-03-16 Audiokodierung und audiodekodierung ATE406651T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05102515 2005-03-30
EP05103085 2005-04-18
EP06100245 2006-01-11

Publications (1)

Publication Number Publication Date
ATE406651T1 true ATE406651T1 (de) 2008-09-15

Family

ID=36607294

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06727674T ATE406651T1 (de) 2005-03-30 2006-03-16 Audiokodierung und audiodekodierung

Country Status (11)

Country Link
US (1) US7840411B2 (enExample)
EP (1) EP1866913B1 (enExample)
JP (1) JP5106383B2 (enExample)
KR (2) KR20130079627A (enExample)
CN (2) CN101151658B (enExample)
AT (1) ATE406651T1 (enExample)
BR (1) BRPI0608756B1 (enExample)
DE (1) DE602006002501D1 (enExample)
ES (1) ES2313646T3 (enExample)
MX (1) MX2007011995A (enExample)
WO (1) WO2006103586A1 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1801782A4 (en) * 2004-09-28 2008-09-24 Matsushita Electric Industrial Co Ltd DEVICE AND METHOD FOR SCALABLE CODING
DE602006014957D1 (de) * 2005-04-28 2010-07-29 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
DE602006011600D1 (de) * 2005-04-28 2010-02-25 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
KR101016224B1 (ko) 2006-12-12 2011-02-25 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법
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
EP2306452B1 (en) * 2008-07-29 2017-08-30 Panasonic Intellectual Property Management Co., Ltd. Sound coding / decoding apparatus, method and program
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) * 2008-12-29 2012-06-12 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
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
JP5214058B2 (ja) 2009-03-17 2013-06-19 ドルビー インターナショナル アーベー 適応的に選択可能な左／右又はミッド／サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化
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
MY166267A (en) 2011-03-28 2018-06-22 Dolby Laboratories Licensing Corp Reduced complexity transform for a low-frequency-effects channel
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
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
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
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
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
PT3022949T (pt) 2013-07-22 2018-01-23 Fraunhofer Ges Forschung Descodificador de áudio multicanal, codificador de áudio de multicanal, métodos, programa de computador e representação de áudio codificada usando uma descorrelação dos sinais de áudio renderizados
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
US10547960B2 (en) 2014-09-01 2020-01-28 Sony Semiconductor Solutions Corporation Audio processing apparatus
BR112021026678A2 (pt) * 2019-07-08 2022-02-15 Voiceage Corp Método e sistema para codificação de metadados em fluxos de áudio e para alocação eficiente de taxa de bit para codificação de fluxos de áudio
CN116547748A (zh) * 2020-12-02 2023-08-04 杜比实验室特许公司 多通道编解码器中的空间噪声填充

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
WO2003069954A2 (en) * 2002-02-18 2003-08-21 Koninklijke Philips Electronics N.V. Parametric audio coding
KR100981694B1 (ko) * 2002-04-10 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호들의 코딩
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
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
EP1769655B1 (en) * 2004-07-14 2011-09-28 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
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
CN101151660A (zh) 2008-03-26
EP1866913A1 (en) 2007-12-19
EP1866913B1 (en) 2008-08-27
MX2007011995A (es) 2007-12-07
US7840411B2 (en) 2010-11-23
JP2008535015A (ja) 2008-08-28
WO2006103586A1 (en) 2006-10-05
ES2313646T3 (es) 2009-03-01
BRPI0608756A2 (pt) 2011-03-15
US20100153118A1 (en) 2010-06-17
KR20130079627A (ko) 2013-07-10
KR20070116174A (ko) 2007-12-06
DE602006002501D1 (de) 2008-10-09
JP5106383B2 (ja) 2012-12-26
BRPI0608756B1 (pt) 2019-06-04
KR101346120B1 (ko) 2014-01-02
CN101151658B (zh) 2011-07-06
CN101151658A (zh) 2008-03-26
CN101151660B (zh) 2011-10-19

Similar Documents

Publication Publication Date Title
DE602006002501D1 (de) Audiokodierung und audiodekodierung
ATE456261T1 (de) Audiokodierung und audiodekodierung
DE602006015294D1 (de) Mehrkanal-audiocodierung
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
TW200641795A (en) Parametric coding of spatial audio with cues based on transmitted channels
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.
ATE499677T1 (de) Kodierung und dekodierung von audio-objekten
ATE416455T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen
CN111128205B (zh) 音频解码器、音频编码器、方法和计算机可读存储介质
MX2009007412A (es) Decodificador de audio.
JP2009524103A5 (enExample)
ATE339759T1 (de) Audiocodierung
RU2010152580A (ru) Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
TW200721111A (en) Audio coding
SE0402650D0 (sv) Improved parametric stereo compatible coding of spatial audio
MY142581A (en) Compact side information for parametric coding of spatial audio
EP4365894A3 (en) Multi-channel signal encoding method, multi-channel signal decoding method, encoder, and decoder
MX2011009660A (es) Codificacion estereo avanzada basada en una combinacion de codificacion izquierda/derecha o media/lateral seleccionable de manera adaptable y de codificacion estereo parametrica.
ATE433182T1 (de) Audiokodierung und audiodekodierung
EP1909265A3 (en) Interpolation and signalling of spatial reconstruction parameters for multichannel coding and decoding of audio sources
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
MX2007003063A (es) Codificacion combinada de audio que minimiza la distorsion perceptual.
KR102033985B1 (ko) 공간적 오디오 객체 코딩에 오디오 정보를 적응시키기 위한 장치 및 방법
DE602005017660D1 (de) Audiokodierungsvorrichtung und audiokodierungsmethode

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties