DE69731677D1 - Verbessertes Kombinationsstereokodierverfahren mit zeitlicher Hüllkurvenformgebung - Google Patents

Verbessertes Kombinationsstereokodierverfahren mit zeitlicher Hüllkurvenformgebung

Info

Publication number
DE69731677D1
DE69731677D1 DE69731677T DE69731677T DE69731677D1 DE 69731677 D1 DE69731677 D1 DE 69731677D1 DE 69731677 T DE69731677 T DE 69731677T DE 69731677 T DE69731677 T DE 69731677T DE 69731677 D1 DE69731677 D1 DE 69731677D1
Authority
DE
Germany
Prior art keywords
coding method
temporal envelope
improved combination
stereo coding
envelope shaping
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
DE69731677T
Other languages
English (en)
Other versions
DE69731677T2 (de
Inventor
Juergen Heinrich Herre
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69731677D1 publication Critical patent/DE69731677D1/de
Publication of DE69731677T2 publication Critical patent/DE69731677T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients
DE69731677T 1996-03-22 1997-03-12 Verbessertes Kombinationsstereokodierverfahren mit zeitlicher Hüllkurvenformgebung Expired - Lifetime DE69731677T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US621762 1996-03-22
US08/621,762 US5812971A (en) 1996-03-22 1996-03-22 Enhanced joint stereo coding method using temporal envelope shaping

Publications (2)

Publication Number Publication Date
DE69731677D1 true DE69731677D1 (de) 2004-12-30
DE69731677T2 DE69731677T2 (de) 2005-12-15

Family

ID=24491531

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69731677T Expired - Lifetime DE69731677T2 (de) 1996-03-22 1997-03-12 Verbessertes Kombinationsstereokodierverfahren mit zeitlicher Hüllkurvenformgebung

Country Status (5)

Country Link
US (1) US5812971A (de)
EP (1) EP0797324B1 (de)
JP (1) JP3316159B2 (de)
CA (1) CA2197128C (de)
DE (1) DE69731677T2 (de)

Families Citing this family (114)

* 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
JP2891193B2 (ja) * 1996-08-16 1999-05-17 日本電気株式会社 広帯域音声スペクトル係数量子化装置
EP0879465B1 (de) * 1996-11-07 2005-11-16 Koninklijke Philips Electronics N.V. Datenverarbeitung von einem bitstromsignal
US5913191A (en) * 1997-10-17 1999-06-15 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
WO1999033194A1 (en) * 1997-12-19 1999-07-01 Sgs-Thomson Microelectronics Asia Pacific (Pte) Ltd. Method and apparatus for phase estimation in a transform coder for high quality audio
EP1050113B1 (de) * 1997-12-27 2002-03-13 STMicroelectronics Asia Pacific Pte Ltd. Verfahren und gerät zur schätzung von koppelparametern in einem transformationskodierer für hochwertige tonsignale
SE519552C2 (sv) 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
US6463410B1 (en) * 1998-10-13 2002-10-08 Victor Company Of Japan, Ltd. Audio signal processing apparatus
CA2344644A1 (en) * 1999-07-20 2001-01-25 Koninklijke Philips Electronics N.V. Record carrier carrying a stereo signal and a data signal
EP1087557A3 (de) * 1999-09-22 2005-01-19 Matsushita Electric Industrial Co., Ltd. Vorrichtung für die Übertragung von digitalen Tondaten bzw. Empfangsvorrichtung für den Empfang dieser digitalen Tondaten
DE19947877C2 (de) * 1999-10-05 2001-09-13 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals
US7742927B2 (en) * 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
EP1175030B1 (de) * 2000-07-07 2008-02-20 Nokia Siemens Networks Oy Verfahren und Vorrichtung für die perzeptuelle Tonkodierung von einem mehrkanal Tonsignal mit Verwendung der kaskadierten diskreten Cosinustransformation oder der modifizierten diskreten Cosinustransformation
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
JP4618873B2 (ja) * 2000-11-24 2011-01-26 パナソニック株式会社 オーディオ信号符号化方法、オーディオ信号符号化装置、音楽配信方法、および、音楽配信システム
FR2821475B1 (fr) * 2001-02-23 2003-05-09 France Telecom Procede et dispositif de reconstruction spectrale de signaux a plusieurs voies, notamment de signaux stereophoniques
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US6934676B2 (en) * 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
US7002618B2 (en) * 2001-06-01 2006-02-21 Stereographics Corporation Plano-stereoscopic DVD movie
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
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
US6751587B2 (en) * 2002-01-04 2004-06-15 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
US7206740B2 (en) * 2002-01-04 2007-04-17 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
CN100508026C (zh) * 2002-04-10 2009-07-01 皇家飞利浦电子股份有限公司 立体声信号编码
US7275036B2 (en) * 2002-04-18 2007-09-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data
BRPI0304542B1 (pt) * 2002-04-22 2018-05-08 Koninklijke Philips Nv “Método e codificador para codificar um sinal de áudio de multicanal, sinal de áudio multicanal codificado, e, método e decodificador para decodificar um sinal de áudio de multicanal codificado”
KR100981699B1 (ko) * 2002-07-12 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
DE60330198D1 (de) 2002-09-04 2009-12-31 Microsoft Corp Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
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
KR100501930B1 (ko) * 2002-11-29 2005-07-18 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
KR20050116828A (ko) * 2003-03-24 2005-12-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 다채널 신호를 나타내는 주 및 부 신호의 코딩
US7318035B2 (en) * 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
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
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
SE527670C2 (sv) * 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Naturtrogenhetsoptimerad kodning med variabel ramlängd
US7809579B2 (en) * 2003-12-19 2010-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Fidelity-optimized variable frame length encoding
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
DE102004009954B4 (de) * 2004-03-01 2005-12-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
US7653255B2 (en) 2004-06-02 2010-01-26 Adobe Systems Incorporated Image region of interest encoding
KR101183857B1 (ko) * 2004-06-21 2012-09-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 다중 채널 오디오 신호를 인코딩/디코딩하기 위한 방법 및 장치
US8150042B2 (en) 2004-07-14 2012-04-03 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
BRPI0513255B1 (pt) * 2004-07-14 2019-06-25 Koninklijke Philips Electronics N.V. Dispositivo e método para converter um primeiro número de canais de áudio de entrada em um segundo número de canais de áudio de saída, sistema de áudio, e, meio de armazenamento legível por computador
TWI393120B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
TWI393121B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 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
AU2012205170B2 (en) * 2004-08-25 2015-05-14 Dolby Laboratories Licensing Corporation Temporal Envelope Shaping for Spatial Audio Coding using Frequency Domain Weiner Filtering
JP4963962B2 (ja) 2004-08-26 2012-06-27 パナソニック株式会社 マルチチャネル信号符号化装置およびマルチチャネル信号復号装置
US7895034B2 (en) * 2004-09-17 2011-02-22 Digital Rise Technology Co., Ltd. Audio encoding system
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
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
JP5017121B2 (ja) 2004-11-30 2012-09-05 アギア システムズ インコーポレーテッド 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化
EP1817767B1 (de) * 2004-11-30 2015-11-11 Agere Systems Inc. Parametrische raumtonkodierung mit objektbasierten nebeninformationen
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 (de) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
ATE521143T1 (de) * 2005-02-23 2011-09-15 Ericsson Telefon Ab L M Adaptive bitzuweisung für die mehrkanal- audiokodierung
DE102005010057A1 (de) * 2005-03-04 2006-09-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
US7983922B2 (en) 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
WO2006132857A2 (en) * 2005-06-03 2006-12-14 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
US7599840B2 (en) 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US7693709B2 (en) * 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US7933337B2 (en) * 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
CN101427307B (zh) * 2005-09-27 2012-03-07 Lg电子株式会社 编码/解码多声道音频信号的方法和装置
JP2009518659A (ja) * 2005-09-27 2009-05-07 エルジー エレクトロニクス インコーポレイティド マルチチャネルオーディオ信号の符号化／復号化方法及び装置
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
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
US7590523B2 (en) * 2006-03-20 2009-09-15 Mindspeed Technologies, Inc. Speech post-processing using MDCT coefficients
KR100754937B1 (ko) * 2006-03-30 2007-09-03 인하대학교 산학협력단 Ｏｆｄｍ/ｆｄｄ 시스템에서 적응전송을 지원하기 위한 다단계 채널예측장치 및 방법
US20090276210A1 (en) * 2006-03-31 2009-11-05 Panasonic Corporation Stereo audio encoding apparatus, stereo audio decoding apparatus, and method thereof
KR100718416B1 (ko) 2006-06-28 2007-05-14 주식회사 대우일렉트로닉스 예측필터를 이용한 채널간 스테레오 오디오 코딩 방법
US7797155B2 (en) * 2006-07-26 2010-09-14 Ittiam Systems (P) Ltd. System and method for measurement of perceivable quantization noise in perceptual audio coders
CN101169934B (zh) * 2006-10-24 2011-05-11 华为技术有限公司 时域听觉阈值加权滤波器的构造方法和设备、编解码器
DE102006055737A1 (de) * 2006-11-25 2008-05-29 Deutsche Telekom Ag Verfahren zur skalierbaren Codierung von Stereo-Signalen
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
BRPI0809940A2 (pt) 2007-03-30 2014-10-07 Panasonic Corp Dispositivo de codificação e método de codificação
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
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
US8374883B2 (en) * 2007-10-31 2013-02-12 Panasonic Corporation Encoder and decoder using inter channel prediction based on optimally determined signals
WO2009057329A1 (ja) 2007-11-01 2009-05-07 Panasonic Corporation 符号化装置、復号装置およびこれらの方法
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
MX2011000375A (es) * 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada.
KR101546793B1 (ko) 2008-07-14 2015-08-28 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
MX2011009660A (es) 2009-03-17 2011-09-30 Dolby Int Ab Codificacion estereo avanzada basada en una combinacion de codificacion izquierda/derecha o media/lateral seleccionable de manera adaptable y de codificacion estereo parametrica.
CN102428512A (zh) * 2009-06-02 2012-04-25 松下电器产业株式会社 下混装置、编码装置以及其方法
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
CN102884570B (zh) 2010-04-09 2015-06-17 杜比国际公司 基于mdct的复数预测立体声编码
WO2012158705A1 (en) * 2011-05-19 2012-11-22 Dolby Laboratories Licensing Corporation Adaptive audio processing based on forensic detection of media processing history
US8401863B1 (en) * 2012-04-25 2013-03-19 Dolby Laboratories Licensing Corporation Audio encoding and decoding with conditional quantizers
EP3067886A1 (de) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer zur codierung eines mehrkanalsignals und audiodecodierer zur decodierung eines codierten audiosignals
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483880A1 (de) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Zeitliche rauschformung
EP3483883A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -dekodierung mit selektiver nachfilterung
EP3483878A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge
EP3483884A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalfiltrierung
EP3483886A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
EP3483882A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerung der bandbreite in codierern und/oder decodierern
EP3483879A1 (de) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analyse-/synthese-fensterfunktion für modulierte geläppte transformation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457402B (sv) * 1987-02-20 1988-12-19 Harald Brusewitz Foerfarande och anordning foer kodning och avkodning av bildinformation
US4875095A (en) * 1987-06-30 1989-10-17 Kokusai Denshin Denwa Kabushiki Kaisha Noise-shaping predictive coding system
US4943855A (en) * 1988-07-22 1990-07-24 At&T Bell Laboratories Progressive sub-band image coding system
US5341457A (en) * 1988-12-30 1994-08-23 At&T Bell Laboratories Perceptual coding of audio signals
EP0520068B1 (de) * 1991-01-08 1996-05-15 Dolby Laboratories Licensing Corporation Kodierer/dekodierer für mehrdimensionale schallfelder
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
DE4320990B4 (de) * 1993-06-05 2004-04-29 Robert Bosch Gmbh Verfahren zur Redundanzreduktion
DE4331376C1 (de) * 1993-09-15 1994-11-10 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale

Also Published As

Publication number Publication date
JPH1051313A (ja) 1998-02-20
CA2197128A1 (en) 1997-09-23
EP0797324A3 (de) 2004-01-14
DE69731677T2 (de) 2005-12-15
US5812971A (en) 1998-09-22
EP0797324B1 (de) 2004-11-24
JP3316159B2 (ja) 2002-08-19
EP0797324A2 (de) 1997-09-24
CA2197128C (en) 2000-04-11

Similar Documents

Publication Publication Date Title
DE69731677D1 (de) Verbessertes Kombinationsstereokodierverfahren mit zeitlicher Hüllkurvenformgebung
DE29515288U1 (de) Elektrische Zahnbürste
DE69715660T2 (de) Videokodierung
DE59404790D1 (de) Elektromotor mit elektrodynamischer bremse
DK33698A (da) Adaptiv kodningsfremgangsmåde
DE69829960D1 (de) Blockkode mit begrenzter Disparität
DE29618755U1 (de) Elektrische Zahnbürste
DE29600236U1 (de) Elektrische Zahnbürste
DE69623164D1 (de) 5B4T Kodierungsschema
DE29704201U1 (de) Wärmegedämmtes Verbundprofil
DE69620586D1 (de) Adaptive Konturenkodierung
DE59105190D1 (de) Elektrische zahnbürste.
ATE293321T1 (de) Kompressionsregelungsverfahren
GB9613102D0 (en) Can shaping
DE9411396U1 (de) Wärmegedämmtes Verbundprofil
DE29621419U1 (de) Wärmegedämmtes Verbundprofil
DE69603007T2 (de) Elektrische glühlampe
DE68918897T2 (de) Multiplexstereodekoder.
DE29701029U1 (de) Wärmegedämmtes Verbundprofil
DE9415812U1 (de) Elektrische Zahnbürste
DE29606771U1 (de) Elektrische Beleuchtungsanlage
DE69814396D1 (de) Kompressionskodierungsverfahren
DE29502462U1 (de) Elektrische Zahnbürste
DE9406159U1 (de) Elektrische Leuchte
DE9414250U1 (de) Elektrische Zahnbuerste

Legal Events

Date Code Title Description
8364 No opposition during term of opposition