DE59501719D1 - Verfahren zum codieren mehrerer audiosignale - Google Patents

Verfahren zum codieren mehrerer audiosignale

Info

Publication number
DE59501719D1
DE59501719D1 DE59501719T DE59501719T DE59501719D1 DE 59501719 D1 DE59501719 D1 DE 59501719D1 DE 59501719 T DE59501719 T DE 59501719T DE 59501719 T DE59501719 T DE 59501719T DE 59501719 D1 DE59501719 D1 DE 59501719D1
Authority
DE
Germany
Prior art keywords
signals
pct
compatible
coding
date sep
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
DE59501719T
Other languages
English (en)
Inventor
Juergen Herre
Bernhard Grill
Ernst Eberlein
Karlheinz Brandenburg
Dieter Seitzer
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Application granted granted Critical
Publication of DE59501719D1 publication Critical patent/DE59501719D1/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE59501719T 1994-03-18 1995-02-02 Verfahren zum codieren mehrerer audiosignale Expired - Lifetime DE59501719D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4409368A DE4409368A1 (de) 1994-03-18 1994-03-18 Verfahren zum Codieren mehrerer Audiosignale
PCT/EP1995/000378 WO1995026083A1 (de) 1994-03-18 1995-02-02 Verfahren zum codieren mehrerer audiosignale

Publications (1)

Publication Number Publication Date
DE59501719D1 true DE59501719D1 (de) 1998-04-30

Family

ID=6513217

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4409368A Withdrawn DE4409368A1 (de) 1994-03-18 1994-03-18 Verfahren zum Codieren mehrerer Audiosignale
DE59501719T Expired - Lifetime DE59501719D1 (de) 1994-03-18 1995-02-02 Verfahren zum codieren mehrerer audiosignale

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4409368A Withdrawn DE4409368A1 (de) 1994-03-18 1994-03-18 Verfahren zum Codieren mehrerer Audiosignale

Country Status (8)

Country Link
US (1) US5701346A (de)
EP (1) EP0750811B1 (de)
JP (1) JP3193921B2 (de)
KR (1) KR0173391B1 (de)
AT (1) ATE164479T1 (de)
AU (1) AU682926B2 (de)
DE (2) DE4409368A1 (de)
WO (1) WO1995026083A1 (de)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
DE19721487A1 (de) * 1997-05-23 1998-11-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen
DE19742655C2 (de) * 1997-09-26 1999-08-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
US6624873B1 (en) 1998-05-05 2003-09-23 Dolby Laboratories Licensing Corporation Matrix-encoded surround-sound channels in a discrete digital sound format
JP4151110B2 (ja) * 1998-05-14 2008-09-17 ソニー株式会社 オーディオ信号処理装置およびオーディオ信号再生装置
AU5109899A (en) * 1998-07-17 2000-02-07 Lucasfilm Ltd. Multi-channel audio surround system
GB2345233A (en) * 1998-10-23 2000-06-28 John Robert Emmett Encoding of multiple digital audio signals into a lesser number of bitstreams, e.g. for surround sound
US6378101B1 (en) * 1999-01-27 2002-04-23 Agere Systems Guardian Corp. Multiple program decoding for digital audio broadcasting and other applications
US6357029B1 (en) * 1999-01-27 2002-03-12 Agere Systems Guardian Corp. Joint multiple program error concealment for digital audio broadcasting and other applications
KR100363551B1 (ko) * 2000-12-20 2002-12-05 에스케이 텔레콤주식회사 하이파이 오디오 신호의 압축을 위한 채널 변환 장치 및방법
US6654827B2 (en) 2000-12-29 2003-11-25 Hewlett-Packard Development Company, L.P. Portable computer system with an operating system-independent digital data player
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
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
WO2003046891A1 (en) 2001-11-29 2003-06-05 Coding Technologies Ab Methods for improving high frequency reconstruction
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
BRPI0308148A2 (pt) * 2002-04-05 2016-06-21 Koninkl Philips Electronics Nv métodos e aparelhos para codificar n sinais de entrada e para decodificar dados codificados representativos de n sinais, formato de sinal, e, portador de gravação
US8498422B2 (en) * 2002-04-22 2013-07-30 Koninklijke Philips N.V. Parametric multi-channel audio representation
US7428440B2 (en) * 2002-04-23 2008-09-23 Realnetworks, Inc. Method and apparatus for preserving matrix surround information in encoded audio/video
JP4322207B2 (ja) 2002-07-12 2009-08-26 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 オーディオ符号化方法
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
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
EP1427252A1 (de) * 2002-12-02 2004-06-09 Deutsche Thomson-Brandt Gmbh Verfahren und Anordnung zur Verarbeitung von Audiosignalen aus einem Bitstrom
ES2355240T3 (es) * 2003-03-17 2011-03-24 Koninklijke Philips Electronics N.V. Procesamiento de señales de múltiples canales.
EP1611680A2 (de) * 2003-03-31 2006-01-04 Koninklijke Philips Electronics N.V. Fir-filtereinrichtung für flexible auf- und unterabtastung
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
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
RU2396608C2 (ru) * 2004-04-05 2010-08-10 Конинклейке Филипс Электроникс Н.В. Способ, устройство, кодирующее устройство, декодирующее устройство и аудиосистема
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
RU2391714C2 (ru) * 2004-07-14 2010-06-10 Конинклейке Филипс Электроникс Н.В. Преобразование аудиоканалов
ES2373728T3 (es) 2004-07-14 2012-02-08 Koninklijke Philips Electronics N.V. Método, dispositivo, aparato codificador, aparato decodificador y sistema de audio.
TWI498882B (zh) * 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
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
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
KR101283741B1 (ko) 2004-10-28 2013-07-08 디티에스 워싱턴, 엘엘씨 N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
WO2006057521A1 (en) * 2004-11-26 2006-06-01 Samsung Electronics Co., Ltd. Apparatus and method of processing multi-channel audio input signals to produce at least two channel output signals therefrom, and computer readable medium containing executable code to perform the method
WO2006060279A1 (en) * 2004-11-30 2006-06-08 Agere Systems Inc. Parametric coding of spatial audio with object-based side information
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
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
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
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
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
US7539612B2 (en) 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
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
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
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
JP5021809B2 (ja) 2007-06-08 2012-09-12 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 アンビエンス信号成分とマトリックスデコードされた信号成分とを制御可能に結合することによるサラウンドサウンドオーディオチャンネルのハイブリッド導出
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
ITTO20120274A1 (it) * 2012-03-27 2013-09-28 Inst Rundfunktechnik Gmbh Dispositivo per il missaggio di almeno due segnali audio.
KR101956245B1 (ko) * 2017-02-01 2019-03-08 심명규 친환경 유골함

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB574145A (en) * 1944-01-01 1945-12-21 George Rue Wood Improvements in slicing machines
US5278909A (en) * 1992-06-08 1994-01-11 International Business Machines Corporation System and method for stereo digital audio compression with co-channel steering
US5291557A (en) * 1992-10-13 1994-03-01 Dolby Laboratories Licensing Corporation Adaptive rematrixing of matrixed audio signals

Also Published As

Publication number Publication date
JP3193921B2 (ja) 2001-07-30
AU1577495A (en) 1995-10-09
JPH09505193A (ja) 1997-05-20
WO1995026083A1 (de) 1995-09-28
US5701346A (en) 1997-12-23
EP0750811B1 (de) 1998-03-25
EP0750811A1 (de) 1997-01-02
KR0173391B1 (en) 1999-04-01
ATE164479T1 (de) 1998-04-15
DE4409368A1 (de) 1995-09-21
AU682926B2 (en) 1997-10-23

Similar Documents

Publication Publication Date Title
DE59501719D1 (de) Verfahren zum codieren mehrerer audiosignale
CA2260222A1 (en) Coding and decoding of audio signals by using intensity stereo and prediction
RU94044524A (ru) Способы декодирования потока данных, системы и способы для разворачивания потока сжатых данных, способы и системы создания составного кодового потока и его декодирования, способ кодирования потока данных, кодеры, система передачи видеосигналов
NO990106L (no) Koding og dekoding av spektralverdier for stereofoni
TW200611240A (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
CA2257997A1 (en) A system and method for sending multiple data signals over a serial link
SG149694A1 (en) Coding dynamic filters
DK1668959T3 (da) Kompatibel multikanalkodning/dekodning
RU95112670A (ru) Способ передачи и/или запоминания цифровых сигналов нескольких каналов
AT380694B (de) Verfahren zur herstellung von mikroorganismen
MY112253A (en) Transmission system implementing different coding principles.
PL316658A1 (en) Novel application of serotonin antagonists
DE69734543D1 (de) Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung
DE69431230T2 (de) Wahrnehmungsgebundene Mehrkanal-Audiokodierung mit adaptiver Bitverteilung
ATE41034T1 (de) Herstellung von protein a.
DK1016319T3 (da) Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal
KR950701786A (ko) 여러 상호 의존하는 채널에서의 디지틀 신호의 전송 및/또는 저장에 있어서의 데이타 감축 방법
TW262618B (de)
GR3025402T3 (en) Dna encoding prostaglandin receptor ep1
KR900012451A (ko) 재생용 디코더에 대한 통신용 음성의 인코딩 방법
DE69000257D1 (de) Dekoder zum dekodieren eines verschluesselten fernsehaudiosignals.
UA27819C2 (uk) Спосіб зменшення перехресної частотної модуляції при передачі та/або накопиченні оцифрованих акустичних або оптичних сигналів
DE69403549D1 (de) Signalverarbeitungsanordnung mit mehreren verschiedenen Filtern, insbesondere für audiofrequente Codierung von Stimmensignalen
DE69615852T2 (de) Dsp-dekodierer zur dekodierung von dolby-sr-kodierten audiosignalen
CA2184941A1 (en) Sub-band coding/decoding for multi-dimensional signals

Legal Events

Date Code Title Description
8364 No opposition during term of opposition