ATE255785T1 - Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen - Google Patents

Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen

Info

Publication number
ATE255785T1
ATE255785T1 AT00917191T AT00917191T ATE255785T1 AT E255785 T1 ATE255785 T1 AT E255785T1 AT 00917191 T AT00917191 T AT 00917191T AT 00917191 T AT00917191 T AT 00917191T AT E255785 T1 ATE255785 T1 AT E255785T1
Authority
AT
Austria
Prior art keywords
matrization
decoding
audio signals
channel audio
lossless coding
Prior art date
Application number
AT00917191T
Other languages
English (en)
Inventor
Peter Graham Craven
Malcolm James Law
John Robert Stuart
Original Assignee
Dolby Lab Licensing Corp
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
Priority claimed from GBGB9907919.6A external-priority patent/GB9907919D0/en
Priority claimed from GBGB9907918.8A external-priority patent/GB9907918D0/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE255785T1 publication Critical patent/ATE255785T1/de

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
AT00917191T 1999-04-07 2000-04-07 Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen ATE255785T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9907919.6A GB9907919D0 (en) 1999-04-07 1999-04-07 Lossless packing
GBGB9907918.8A GB9907918D0 (en) 1999-04-07 1999-04-07 Lossless packing
PCT/GB2000/001308 WO2000060746A2 (en) 1999-04-07 2000-04-07 Matrixing for losseless encoding and decoding of multichannels audio signals

Publications (1)

Publication Number Publication Date
ATE255785T1 true ATE255785T1 (de) 2003-12-15

Family

ID=26315389

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00917191T ATE255785T1 (de) 1999-04-07 2000-04-07 Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen

Country Status (15)

Country Link
US (3) US6611212B1 (de)
EP (4) EP2391146A3 (de)
JP (1) JP4610087B2 (de)
KR (1) KR100915120B1 (de)
AR (1) AR023424A1 (de)
AT (1) ATE255785T1 (de)
AU (1) AU781629B2 (de)
CA (3) CA2742649C (de)
DE (1) DE60006953T2 (de)
DK (1) DK1173925T3 (de)
ES (1) ES2208297T3 (de)
MY (2) MY123651A (de)
SG (2) SG2012056305A (de)
TW (1) TWI226041B (de)
WO (1) WO2000060746A2 (de)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0001727L (sv) * 2000-05-10 2001-11-11 Global Ip Sound Ab Överföring över paketförmedlade nät
JP2001314181A (ja) * 2000-05-10 2001-11-13 Mi Tec:Kk キレート化合物含有酒類
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US20020191522A1 (en) * 2001-05-07 2002-12-19 Media Tek, Inc. DVD audio encoder and decoder
US7447321B2 (en) 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
CN100364234C (zh) * 2001-11-29 2008-01-23 联发科技股份有限公司 声讯的播放系统与无失真压缩编码系统
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
WO2003093775A2 (en) * 2002-05-03 2003-11-13 Harman International Industries, Incorporated Sound detection and localization system
US6935959B2 (en) * 2002-05-16 2005-08-30 Microsoft Corporation Use of multiple player real-time voice communications on a gaming device
JP4676140B2 (ja) * 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
US7299190B2 (en) 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
ATE393562T1 (de) * 2003-11-27 2008-05-15 Yul Anderson Vsr-surround-röhrenkopfhörer
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
JP2005215162A (ja) * 2004-01-28 2005-08-11 Dainippon Printing Co Ltd 音響信号の再生装置
DE102004009628A1 (de) * 2004-02-27 2005-10-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Beschreiben einer Audio-CD und Audio-CD
DE602005022641D1 (de) 2004-03-01 2010-09-09 Dolby Lab Licensing Corp Mehrkanal-Audiodekodierung
EP3573055B1 (de) * 2004-04-05 2022-03-23 Koninklijke Philips N.V. Mehrkanal-dekodierer
US8032360B2 (en) * 2004-05-13 2011-10-04 Broadcom Corporation System and method for high-quality variable speed playback of audio-visual media
KR100918741B1 (ko) * 2004-07-27 2009-09-24 삼성전자주식회사 이동 통신 시스템에서 채널 부호화 장치 및 방법
US7706415B2 (en) * 2004-07-29 2010-04-27 Microsoft Corporation Packet multiplexing multi-channel audio
US7930184B2 (en) * 2004-08-04 2011-04-19 Dts, Inc. Multi-channel audio coding/decoding of random access points and transients
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
CN101053017B (zh) * 2004-11-04 2012-10-10 皇家飞利浦电子股份有限公司 多通道音频信号的编码和解码
EP1817767B1 (de) * 2004-11-30 2015-11-11 Agere Systems Inc. Parametrische raumtonkodierung mit objektbasierten nebeninformationen
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
EP1691348A1 (de) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
DE602006015294D1 (de) 2005-03-30 2010-08-19 Dolby Int Ab Mehrkanal-audiocodierung
DE102005014477A1 (de) * 2005-03-30 2006-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und zum Erzeugen einer Multikanal-Darstellung
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
WO2006126844A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US8170883B2 (en) * 2005-05-26 2012-05-01 Lg Electronics Inc. Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
US7958424B2 (en) * 2005-06-22 2011-06-07 Trident Microsystems (Far East) Ltd. Multi-channel LDPC decoder architecture
WO2007004828A2 (en) * 2005-06-30 2007-01-11 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1908057B1 (de) * 2005-06-30 2012-06-20 LG Electronics Inc. Verfahren und vorrichtung zum decodieren eines audiosignals
JP2009500657A (ja) * 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
MX2008002760A (es) * 2005-08-30 2008-04-07 Lg Electronics Inc Metodo para decodificar una senal de audio.
JP5108767B2 (ja) 2005-08-30 2012-12-26 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
AU2006285544B2 (en) 2005-08-30 2012-01-12 Lg Electronics Inc. A method for decoding an audio signal
JP4859925B2 (ja) * 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
US7770090B1 (en) 2005-09-14 2010-08-03 Trident Microsystems (Far East) Ltd. Efficient decoders for LDPC codes
CN102663975B (zh) * 2005-10-03 2014-12-24 夏普株式会社 显示装置
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7696907B2 (en) * 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100878833B1 (ko) * 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7646319B2 (en) * 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
ES2478004T3 (es) * 2005-10-05 2014-07-18 Lg Electronics Inc. Método y aparato para decodificar una señal de audio
WO2007043388A1 (ja) * 2005-10-07 2007-04-19 Matsushita Electric Industrial Co., Ltd. 音響信号処理装置および音響信号処理方法
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
JP5536335B2 (ja) * 2005-10-20 2014-07-02 エルジー エレクトロニクス インコーポレイティド マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置
US7742913B2 (en) * 2005-10-24 2010-06-22 Lg Electronics Inc. Removing time delays in signal paths
CN101297353B (zh) * 2005-10-26 2013-03-13 Lg电子株式会社 编码和解码多声道音频信号的方法及其装置
US8521313B2 (en) * 2006-01-19 2013-08-27 Lg Electronics Inc. Method and apparatus for processing a media signal
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US9306852B2 (en) * 2006-01-27 2016-04-05 Avaya Inc. Coding and packet distribution for alternative network paths in telecommunications networks
JP2009526263A (ja) 2006-02-07 2009-07-16 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
US7907579B2 (en) * 2006-08-15 2011-03-15 Cisco Technology, Inc. WiFi geolocation from carrier-managed system geolocation of a dual mode device
MX2009003564A (es) 2006-10-16 2009-05-28 Fraunhofer Ges Forschung Aparato y metodo para transformacion de parametro multicanal.
AU2007312598B2 (en) 2006-10-16 2011-01-20 Dolby International Ab Enhanced coding and parameter representation of multichannel downmixed object coding
US20080175137A1 (en) * 2007-01-23 2008-07-24 Mediatek Inc. Method for encoding data written to optical storage media
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
TWI395204B (zh) * 2007-10-17 2013-05-01 Fraunhofer Ges Forschung 一種使用下混合的音頻編碼的音頻解碼器、音頻物件編碼器、多音頻物件編碼方法、用於對多音頻物件信號進行解碼的方法，以及執行這些方法的具有程式碼的程式
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
KR101158096B1 (ko) * 2008-11-18 2012-06-22 삼성전자주식회사 다중 송수신 안테나 시스템에서 서로 다른 변조 차수를 갖는 복수의 레이어의 재정렬 방법, 신호 검출 방법 및 그 수신 장치
GB2466675B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
CN102667919B (zh) 2009-09-29 2014-09-10 弗兰霍菲尔运输应用研究公司 音频信号解码器和编码器、提供上混和下混信号表示型态的方法
US9305550B2 (en) * 2009-12-07 2016-04-05 J. Carl Cooper Dialogue detector and correction
US9138178B2 (en) * 2010-08-05 2015-09-22 Ace Communications Limited Method and system for self-managed sound enhancement
KR101756838B1 (ko) 2010-10-13 2017-07-11 삼성전자주식회사 다채널 오디오 신호를 다운 믹스하는 방법 및 장치
EP2477188A1 (de) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierung und Decodierung von Slot-Positionen von Ereignissen in einem Audosignal-Frame
JP5719966B2 (ja) 2011-04-08 2015-05-20 ドルビー ラボラトリーズ ライセンシング コーポレイション ２つのエンコードされたビットストリームからのオーディオストリームの混合において使用するためのメタデータの自動設定
KR102070429B1 (ko) 2011-10-21 2020-01-28 삼성전자주식회사 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치
GB2495918B (en) 2011-10-24 2015-11-04 Malcolm Law Lossless buried data
WO2013120510A1 (en) * 2012-02-14 2013-08-22 Huawei Technologies Co., Ltd. A method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal
ITTO20120274A1 (it) * 2012-03-27 2013-09-28 Inst Rundfunktechnik Gmbh Dispositivo per il missaggio di almeno due segnali audio.
TWI505262B (zh) 2012-05-15 2015-10-21 Dolby Int Ab 具多重子流之多通道音頻信號的有效編碼與解碼
EP2862370B1 (de) 2012-06-19 2017-08-30 Dolby Laboratories Licensing Corporation Darstellung und wiedergabe von raumklangaudio mit verwendung von kanalbasierenden audiosystemen
US9357326B2 (en) * 2012-07-12 2016-05-31 Dolby Laboratories Licensing Corporation Embedding data in stereo audio using saturation parameter modulation
BR112015002367B1 (pt) * 2012-08-03 2021-12-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev Decodificador e método para codificação de objeto de áudio espacial multi-instância empregando um conceito paramétrico para caixas multicanal de downmix/upmix
US9373335B2 (en) 2012-08-31 2016-06-21 Dolby Laboratories Licensing Corporation Processing audio objects in principal and supplementary encoded audio signals
US20140229395A1 (en) 2013-02-14 2014-08-14 Howard M. Singer Methods, systems, and media for indicating digital media content quality to a user
RU2634422C2 (ru) 2013-05-24 2017-10-27 Долби Интернешнл Аб Эффективное кодирование звуковых сцен, содержащих звуковые объекты
TWI557724B (zh) * 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
EP2854133A1 (de) * 2013-09-27 2015-04-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung eines Abwärtsmischsignals
US10068577B2 (en) * 2014-04-25 2018-09-04 Dolby Laboratories Licensing Corporation Audio segmentation based on spatial metadata
EP3134897B1 (de) * 2014-04-25 2020-05-20 Dolby Laboratories Licensing Corporation Matrixdekomposition zur darstellung von adaptivem audio mit hochauflösenden audio-codecs
CN110164483B (zh) * 2014-10-03 2021-03-02 杜比国际公司 渲染音频节目的方法和系统
WO2016168408A1 (en) 2015-04-17 2016-10-20 Dolby Laboratories Licensing Corporation Audio encoding and rendering with discontinuity compensation
TWI596955B (zh) * 2015-07-09 2017-08-21 元鼎音訊股份有限公司 具有測試功能之助聽器
WO2017019674A1 (en) 2015-07-28 2017-02-02 Dolby Laboratories Licensing Corporation Audio discontinuity detection and correction
GB2547877B (en) * 2015-12-21 2019-08-14 Graham Craven Peter Lossless bandsplitting and bandjoining using allpass filters
US10146500B2 (en) * 2016-08-31 2018-12-04 Dts, Inc. Transform-based audio codec and method with subband energy smoothing
EP3539126B1 (de) 2016-11-08 2020-09-30 Fraunhofer Gesellschaft zur Förderung der Angewand Vorrichtung und verfahren zum heruntermischen oder hochmischen eines mehrkanalsignals unter verwendung von phasenkompensation
US10522155B2 (en) * 2017-02-21 2019-12-31 Cirrus Logic, Inc. Pulse code modulation (PCM) data-marking
TWI739297B (zh) * 2020-02-06 2021-09-11 瑞昱半導體股份有限公司 音訊處理裝置及音訊處理方法
WO2023191796A1 (en) * 2022-03-31 2023-10-05 Zeku, Inc. Apparatus and method for data compression and data upsampling

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4113506A1 (de) * 1991-04-25 1992-10-29 Thomson Brandt Gmbh Verfahren zur kompatiblen uebertragung von progressiv abgetasteten bildsignalen im zwischenzeilen-format
US5396228A (en) * 1992-01-16 1995-03-07 Mobile Telecommunications Technologies Methods and apparatus for compressing and decompressing paging data
EP0631458B1 (de) * 1993-06-22 2001-11-07 Deutsche Thomson-Brandt Gmbh Verfahren zur Erhaltung einer Mehrkanaldekodiermatrix
US5623424A (en) * 1995-05-08 1997-04-22 Kabushiki Kaisha Toshiba Rate-controlled digital video editing method and system which controls bit allocation of a video encoder by varying quantization levels
US5684714A (en) * 1995-05-08 1997-11-04 Kabushiki Kaisha Toshiba Method and system for a user to manually alter the quality of a previously encoded video sequence
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
EP0784409A3 (de) * 1996-01-11 2001-11-14 Sony Corporation Videokodierung und -multiplex
US5731837A (en) * 1996-01-25 1998-03-24 Thomson Multimedia, S.A. Quantization circuitry as for video signal compression systems
US5715187A (en) * 1996-03-04 1998-02-03 Holtek Microelectronics, Inc. Method and apparatus for integer multiplication
US5839100A (en) * 1996-04-22 1998-11-17 Wegener; Albert William Lossless and loss-limited compression of sampled data signals
US5832490A (en) * 1996-05-31 1998-11-03 Siemens Medical Systems, Inc. Lossless data compression technique that also facilitates signal analysis
US5848106A (en) * 1996-12-16 1998-12-08 Ericsson, Inc. Receiver decoder circuitry, and associated method, for decoding an encoded signal
GB2323754B (en) * 1997-01-30 2002-03-20 Peter Graham Craven Lossless compression using iir prediction filters
KR100251453B1 (ko) * 1997-08-26 2000-04-15 윤종용 고음질 오디오 부호화/복호화장치들 및 디지털다기능디스크
US6023233A (en) * 1998-03-20 2000-02-08 Craven; Peter G. Data rate control for variable rate compression systems

Also Published As

Publication number Publication date
EP1173925B1 (de) 2003-12-03
US20040070523A1 (en) 2004-04-15
EP2339756A3 (de) 2011-12-21
JP4610087B2 (ja) 2011-01-12
AU781629B2 (en) 2005-06-02
SG144695A1 (en) 2008-08-28
EP2339756A2 (de) 2011-06-29
US20050007262A1 (en) 2005-01-13
DE60006953D1 (de) 2004-01-15
CA2365529A1 (en) 2000-10-12
US6774820B2 (en) 2004-08-10
EP2391146A3 (de) 2011-12-14
JP2002541524A (ja) 2002-12-03
AR023424A1 (es) 2002-09-04
EP1370114A3 (de) 2004-03-17
CA2859333A1 (en) 2000-10-12
KR20010113782A (ko) 2001-12-28
DE60006953T2 (de) 2004-10-28
DK1173925T3 (da) 2004-03-29
KR100915120B1 (ko) 2009-09-03
CA2365529C (en) 2011-08-30
MY123651A (en) 2006-05-31
US7193538B2 (en) 2007-03-20
CA2742649A1 (en) 2000-10-12
EP1370114A2 (de) 2003-12-10
EP2391146A2 (de) 2011-11-30
ES2208297T3 (es) 2004-06-16
EP1173925A2 (de) 2002-01-23
CA2742649C (en) 2014-11-04
WO2000060746A2 (en) 2000-10-12
AU3828400A (en) 2000-10-23
TWI226041B (en) 2005-01-01
SG2012056305A (en) 2015-09-29
MY149792A (en) 2013-10-14
WO2000060746A3 (en) 2001-03-08
US6611212B1 (en) 2003-08-26

Similar Documents

Publication Publication Date Title
ATE255785T1 (de) Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen
DE69940068D1 (de) Kodierung und dekodierung mehrkanaliger signale
DE60230856D1 (de) Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung
DE60110679D1 (de) Perzeptuelle Kodierung von Audiosignalen unter Verwendung von getrennter Reduzierung von Irrelevanz und Redundanz
DE60039278D1 (de) Kombinierte Stereokodierung von Audiosignalen
DE69923724D1 (de) Vorrichtung zur Codierung von Sprach- und Musiksignalen sowie Vorrichtung zur Decodierung
DE69915400D1 (de) Vorrichtung zur Kodierung und Dekodierung von Audiosignalen
DE69901273T2 (de) Verfahren zur Codierung und Quantisierung von Audiosignalen
DE69839329D1 (de) Raumklangkanal, Kodierung und Dekodierung
DE69724126D1 (de) Audiosignalkodier- und dekodierverfahren und audiosignalkodierer und -dekodierer
AU2002318813A1 (en) Audio signal decoding device and audio signal encoding device
DE69432012D1 (de) Wahrnehmungsgebundene Kodierung von Audiosignalen
DE69730473D1 (de) System zur Kodierung und Übertragung von Sprachsignalen
DE69825180D1 (de) Audiokodier- und dekodierverfahren und -vorrichtung
HK1093592A1 (en) Speech signal decoding
DE69926462D1 (de) Bestimmung des von einer phasenänderung herrührenden rauschanteils für die audiokodierung
DE60015448D1 (de) Teilband-Audiokodiersystem
DE60042335D1 (de) Mehrkanal-audiosignalverarbeitungsgerät
DE60039279D1 (de) Kompatible Formatierung für die Kodierung von Audiosignalen
EP1087378A4 (de) Sprach/musik signal kodierer und dekodierer
DE60233032D1 (de) Audio-kodierer und audio-dekodierer
DE69714640T2 (de) Signalquantisierer für die Sprachkodierung
DE60119759D1 (de) Quantisierung von spektralsequenzen für die kodierung von audiosignalen
DE69229660T2 (de) Vokoder zur Kodierung und Dekodierung von Sprachsignalen
FR2835665B1 (fr) Codage et decodage de signal numerique

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1173925

Country of ref document: EP