DK1697930T3 - Apparat og fremgangsmåde til behandling af et multikanalsignal - Google Patents

Apparat og fremgangsmåde til behandling af et multikanalsignal

Info

Publication number
DK1697930T3
DK1697930T3 DK05715611T DK05715611T DK1697930T3 DK 1697930 T3 DK1697930 T3 DK 1697930T3 DK 05715611 T DK05715611 T DK 05715611T DK 05715611 T DK05715611 T DK 05715611T DK 1697930 T3 DK1697930 T3 DK 1697930T3
Authority
DK
Denmark
Prior art keywords
channels
prediction
processing
channel signal
channel
Prior art date
Application number
DK05715611T
Other languages
Danish (da)
English (en)
Inventor
Juergen Herre
Michael Schug
Alexander Groeschl
Original Assignee
Fraunhofer Ges Forschung
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 Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK1697930T3 publication Critical patent/DK1697930T3/da

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
    • G10L19/02Speech 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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/03Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • 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
    • G10L19/02Speech 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 using spectral analysis, e.g. transform vocoders or subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Radio Relay Systems (AREA)
  • Detergent Compositions (AREA)
  • Color Image Communication Systems (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DK05715611T 2004-03-01 2005-02-28 Apparat og fremgangsmåde til behandling af et multikanalsignal DK1697930T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004009954A DE102004009954B4 (de) 2004-03-01 2004-03-01 Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
PCT/EP2005/002110 WO2005083678A1 (de) 2004-03-01 2005-02-28 Vorrichtung und verfahren zum verarbeiten eines multikanalsignals

Publications (1)

Publication Number Publication Date
DK1697930T3 true DK1697930T3 (da) 2007-10-08

Family

ID=34894904

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05715611T DK1697930T3 (da) 2004-03-01 2005-02-28 Apparat og fremgangsmåde til behandling af et multikanalsignal

Country Status (18)

Country Link
US (1) US7340391B2 (ko)
EP (1) EP1697930B1 (ko)
JP (1) JP4413257B2 (ko)
KR (1) KR100823097B1 (ko)
CN (1) CN1926608B (ko)
AT (1) ATE364882T1 (ko)
AU (1) AU2005217517B2 (ko)
BR (1) BRPI0507207B1 (ko)
CA (1) CA2558161C (ko)
DE (2) DE102004009954B4 (ko)
DK (1) DK1697930T3 (ko)
ES (1) ES2286798T3 (ko)
HK (1) HK1095194A1 (ko)
IL (1) IL177213A (ko)
NO (1) NO339114B1 (ko)
PT (1) PT1697930E (ko)
RU (1) RU2332727C2 (ko)
WO (1) WO2005083678A1 (ko)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
US7809579B2 (en) * 2003-12-19 2010-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Fidelity-optimized variable frame length encoding
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
KR100718416B1 (ko) 2006-06-28 2007-05-14 주식회사 대우일렉트로닉스 예측필터를 이용한 채널간 스테레오 오디오 코딩 방법
JP4940888B2 (ja) * 2006-10-23 2012-05-30 ソニー株式会社 オーディオ信号伸張圧縮装置及び方法
KR20080053739A (ko) * 2006-12-11 2008-06-16 삼성전자주식회사 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법
JPWO2008090970A1 (ja) * 2007-01-26 2010-05-20 パナソニック株式会社 ステレオ符号化装置、ステレオ復号装置、およびこれらの方法
US8086465B2 (en) 2007-03-20 2011-12-27 Microsoft Corporation Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms
US7991622B2 (en) * 2007-03-20 2011-08-02 Microsoft Corporation Audio compression and decompression using integer-reversible modulated lapped transforms
US8983830B2 (en) * 2007-03-30 2015-03-17 Panasonic Intellectual Property Corporation Of America Stereo signal encoding device including setting of threshold frequencies and stereo signal encoding method including setting of threshold frequencies
CN101067931B (zh) * 2007-05-10 2011-04-20 芯晟(北京)科技有限公司 一种高效可配置的频域参数立体声及多声道编解码方法与系统
JPWO2009122757A1 (ja) * 2008-04-04 2011-07-28 パナソニック株式会社 ステレオ信号変換装置、ステレオ信号逆変換装置およびこれらの方法
CN101770776B (zh) 2008-12-29 2011-06-08 华为技术有限公司 瞬态信号的编码方法和装置、解码方法和装置及处理系统
ES2400661T3 (es) * 2009-06-29 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de extensión de ancho de banda
PL3779977T3 (pl) * 2010-04-13 2023-11-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio do przetwarzania audio stereo z wykorzystaniem zmiennego kierunku predykcji
EP2707873B1 (en) * 2011-05-09 2015-04-08 Dolby International AB Method and encoder for processing a digital stereo audio signal
CN104269173B (zh) * 2014-09-30 2018-03-13 武汉大学深圳研究院 切换模式的音频带宽扩展装置与方法
ES2809677T3 (es) 2015-09-25 2021-03-05 Voiceage Corp Método y sistema para codificar una señal de sonido estéreo utilizando parámetros de codificación de un canal primario para codificar un canal secundario
CN107659888A (zh) * 2017-08-21 2018-02-02 广州酷狗计算机科技有限公司 识别伪立体声音频的方法、装置及存储介质
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
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
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
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
CN108962268B (zh) * 2018-07-26 2020-11-03 广州酷狗计算机科技有限公司 确定单声道的音频的方法和装置
CN112151045B (zh) * 2019-06-29 2024-06-04 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置
CN111654745B (zh) * 2020-06-08 2022-10-14 海信视像科技股份有限公司 多声道的信号处理方法及显示设备
CN112053669B (zh) * 2020-08-27 2023-10-27 海信视像科技股份有限公司 一种人声消除方法、装置、设备及介质

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488665A (en) * 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US5913187A (en) * 1997-08-29 1999-06-15 Nortel Networks Corporation Nonlinear filter for noise suppression in linear prediction speech processing devices
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
DE19829284C2 (de) * 1998-05-15 2000-03-16 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verarbeiten eines zeitlichen Stereosignals und Verfahren und Vorrichtung zum Decodieren eines unter Verwendung einer Prädiktion über der Frequenz codierten Audiobitstroms
US6771723B1 (en) * 2000-07-14 2004-08-03 Dennis W. Davis Normalized parametric adaptive matched filter receiver
US6622117B2 (en) * 2001-05-14 2003-09-16 International Business Machines Corporation EM algorithm for convolutive independent component analysis (CICA)
KR100443405B1 (ko) * 2001-07-05 2004-08-09 주식회사 이머시스 멀티채널 스피커용 오디오 신호를 멀티 채널 헤드폰용 오디오 신호로 변환하여 재분배 하는 장치
GB0124352D0 (en) * 2001-10-11 2001-11-28 1 Ltd Signal processing device for acoustic transducer array
WO2003085645A1 (en) * 2002-04-10 2003-10-16 Koninklijke Philips Electronics N.V. Coding of stereo signals
JP2007009804A (ja) * 2005-06-30 2007-01-18 Tohoku Electric Power Co Inc 風力発電施設の出力電力制御スケジュールシステム
JP2007095002A (ja) * 2005-09-30 2007-04-12 Noritsu Koki Co Ltd 写真処理装置

Also Published As

Publication number Publication date
EP1697930A1 (de) 2006-09-06
BRPI0507207A (pt) 2007-06-12
HK1095194A1 (en) 2007-04-27
ATE364882T1 (de) 2007-07-15
CN1926608B (zh) 2010-05-05
JP4413257B2 (ja) 2010-02-10
KR100823097B1 (ko) 2008-04-18
NO20064431L (no) 2006-09-29
RU2332727C2 (ru) 2008-08-27
AU2005217517B2 (en) 2008-06-26
IL177213A (en) 2011-10-31
RU2006134641A (ru) 2008-04-10
DE502005000864D1 (de) 2007-07-26
EP1697930B1 (de) 2007-06-13
DE102004009954B4 (de) 2005-12-15
US20070033056A1 (en) 2007-02-08
AU2005217517A1 (en) 2005-09-09
US7340391B2 (en) 2008-03-04
WO2005083678A1 (de) 2005-09-09
DE102004009954A1 (de) 2005-09-29
CA2558161A1 (en) 2005-09-09
JP2007525718A (ja) 2007-09-06
NO339114B1 (no) 2016-11-14
BRPI0507207B1 (pt) 2018-12-26
CA2558161C (en) 2010-05-11
KR20060121982A (ko) 2006-11-29
BRPI0507207A8 (pt) 2018-06-12
IL177213A0 (en) 2006-12-10
ES2286798T3 (es) 2007-12-01
CN1926608A (zh) 2007-03-07
PT1697930E (pt) 2007-09-25

Similar Documents

Publication Publication Date Title
DK1697930T3 (da) Apparat og fremgangsmåde til behandling af et multikanalsignal
KR101599554B1 (ko) Sac 부가정보를 이용한 3d 바이노럴 필터링 시스템 및 방법
FI20045051A (fi) Audiosignaalien luokittelu
US8612237B2 (en) Method and apparatus for determining audio spatial quality
JP2009500658A5 (ko)
SE0400998D0 (sv) Method for representing multi-channel audio signals
TW200707950A (en) Method for alignment of analog and digital audio in a hybrid radio waveform
EA201290082A1 (ru) Способ идентификации говорящего по фонограммам произвольной устной речи на основе формантного выравнивания
HK1146975A1 (en) Binaural multi-channel decoder in the context of non-energy-conserving upmix rules
BR0305434A (pt) Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem
EP2381439A1 (en) Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same
DE602004021490D1 (de) Verfahren zur verbesserten vorauswarnung über kritische ereignisse über mehrere datenkanäle hinweg
WO2009031871A3 (en) A method and an apparatus of decoding an audio signal
KR20070019718A (ko) 오디오 신호 부호화 장치 및 오디오 신호 복호화 장치
BRPI0415951A8 (pt) método e codificador de áudio para codificar um sinal de áudio, aparelho para transmitir ou armazenar um sinal de áudio codificado baseado em um sinal de áudio de entrada, método e decodificador de áudio para decodificar um sinal de áudio codificado, aparelho para reproduzir um sinal de áudio de saída, e, produto de programa de computação
CA2624633A1 (en) Signal processing using pilot based coding
TW200746871A (en) Decoding of binaural audio signals
ATE527653T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von digitalen signalen
TW200719746A (en) Method and apparatus for encoding/decoding multi-channel audio signal
ATE540400T1 (de) Verfahren und vorrichtung zur parametrischen stereo-audiodekodierung
NO20083188L (no) Anordning og fremgangsmate for syntetisering av tre utgangskanaler ved anvendelse av to inngangskanaler
TW200721113A (en) Audio decoding system and method
DK1502475T3 (da) Fremgangsmåde og system til repræsentation af et akustisk felt
EP3497697B1 (en) Dominant frequency processing of audio signals
Lopatka et al. Novel 5.1 downmix algorithm with improved dialogue intelligibility