ATE447226T1 - Verfahren und vorrichtung zur zeitskalierung eines signals - Google Patents

Verfahren und vorrichtung zur zeitskalierung eines signals

Info

Publication number
ATE447226T1
ATE447226T1 AT05702669T AT05702669T ATE447226T1 AT E447226 T1 ATE447226 T1 AT E447226T1 AT 05702669 T AT05702669 T AT 05702669T AT 05702669 T AT05702669 T AT 05702669T AT E447226 T1 ATE447226 T1 AT E447226T1
Authority
AT
Austria
Prior art keywords
time
stereo
signal
frequency
processor
Prior art date
Application number
AT05702669T
Other languages
English (en)
Inventor
Erik Schuijers
Andreas Gerrits
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
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE447226T1 publication Critical patent/ATE447226T1/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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Television Systems (AREA)
AT05702669T 2004-01-28 2005-01-14 Verfahren und vorrichtung zur zeitskalierung eines signals ATE447226T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04100306 2004-01-28
PCT/IB2005/050159 WO2005073958A1 (en) 2004-01-28 2005-01-14 Method and apparatus for time scaling of a signal

Publications (1)

Publication Number Publication Date
ATE447226T1 true ATE447226T1 (de) 2009-11-15

Family

ID=34814365

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05702669T ATE447226T1 (de) 2004-01-28 2005-01-14 Verfahren und vorrichtung zur zeitskalierung eines signals

Country Status (11)

Country Link
US (1) US7734473B2 (de)
EP (1) EP1711937B1 (de)
JP (1) JP2007519967A (de)
KR (1) KR20070001111A (de)
CN (1) CN1914668B (de)
AT (1) ATE447226T1 (de)
BR (1) BRPI0507124A (de)
DE (1) DE602005017358D1 (de)
ES (1) ES2335221T3 (de)
RU (1) RU2381569C2 (de)
WO (1) WO2005073958A1 (de)

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DE602005005186T2 (de) * 2004-04-16 2009-03-19 Dublin Institute Of Technology Verfahren und system zur schallquellen-trennung
FR2888699A1 (fr) * 2005-07-13 2007-01-19 France Telecom Dispositif de codage/decodage hierachique
US9159333B2 (en) * 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
ATE520120T1 (de) * 2006-06-29 2011-08-15 Nxp Bv Klangrahmenlängenanpassung
US8571875B2 (en) 2006-10-18 2013-10-29 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding and/or decoding multichannel audio signals
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
JP5103880B2 (ja) * 2006-11-24 2012-12-19 富士通株式会社 復号化装置および復号化方法
WO2008096313A1 (en) * 2007-02-06 2008-08-14 Koninklijke Philips Electronics N.V. Low complexity parametric stereo decoder
KR20080073925A (ko) * 2007-02-07 2008-08-12 삼성전자주식회사 파라메트릭 부호화된 오디오 신호를 복호화하는 방법 및장치
WO2009010831A1 (en) * 2007-07-18 2009-01-22 Nokia Corporation Flexible parameter update in audio/speech coded signals
CN103474076B (zh) * 2008-10-06 2017-04-12 爱立信电话股份有限公司 用于输送对齐的多通道音频的方法和设备
ES2434828T3 (es) * 2008-10-06 2013-12-17 Telefonaktiebolaget L M Ericsson (Publ) Método y aparato para el suministro de audio por multicanales alineados
EP2214161A1 (de) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und Computerprogramm zur Aufwärtsmischung eines Downmix-Tonsignals
TWI569573B (zh) 2009-02-18 2017-02-01 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
EP2609592B1 (de) * 2010-08-24 2014-11-05 Dolby International AB Maskierung von intermittierendem monoempfang von fm-stereofunkempfängern
TWI516138B (zh) * 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
WO2012167479A1 (en) * 2011-07-15 2012-12-13 Huawei Technologies Co., Ltd. Method and apparatus for processing a multi-channel audio signal
KR101726205B1 (ko) * 2012-11-07 2017-04-12 돌비 인터네셔널 에이비 감소된 복잡성 변환기 ｓｎｒ 계산
WO2014170530A1 (en) * 2013-04-15 2014-10-23 Nokia Corporation Multiple channel audio signal encoder mode determiner
US9686609B1 (en) * 2013-06-28 2017-06-20 Avnera Corporation Low power synchronous data interface
CN104347077B (zh) * 2014-10-23 2018-01-16 清华大学 一种立体声编解码方法
JP6763194B2 (ja) * 2016-05-10 2020-09-30 株式会社Ｊｖｃケンウッド 符号化装置、復号装置、通信システム
US10210874B2 (en) * 2017-02-03 2019-02-19 Qualcomm Incorporated Multi channel coding

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Publication number Priority date Publication date Assignee Title
US5175769A (en) * 1991-07-23 1992-12-29 Rolm Systems Method for time-scale modification of signals
US5828994A (en) * 1996-06-05 1998-10-27 Interval Research Corporation Non-uniform time scale modification of recorded audio
JP3465628B2 (ja) * 1999-05-06 2003-11-10 ヤマハ株式会社 オーディオ信号の時間軸圧伸方法及び装置
JP3430968B2 (ja) * 1999-05-06 2003-07-28 ヤマハ株式会社 ディジタル信号の時間軸圧伸方法及び装置
US6278387B1 (en) * 1999-09-28 2001-08-21 Conexant Systems, Inc. Audio encoder and decoder utilizing time scaling for variable playback
US6842735B1 (en) * 1999-12-17 2005-01-11 Interval Research Corporation Time-scale modification of data-compressed audio information
JP2001255894A (ja) * 2000-03-13 2001-09-21 Sony Corp 再生速度変換装置及び方法
JP2002268700A (ja) * 2001-03-09 2002-09-20 Canon Inc 音響情報符号化装置及び復号装置及び方法及びコンピュータプログラム及び記憶媒体
US7610205B2 (en) * 2002-02-12 2009-10-27 Dolby Laboratories Licensing Corporation High quality time-scaling and pitch-scaling of audio signals
US7079905B2 (en) * 2001-12-05 2006-07-18 Ssi Corporation Time scaling of stereo audio
US7239999B2 (en) * 2002-07-23 2007-07-03 Intel Corporation Speed control playback of parametric speech encoded digital audio
US6982377B2 (en) * 2003-12-18 2006-01-03 Texas Instruments Incorporated Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing

Also Published As

Publication number Publication date
CN1914668A (zh) 2007-02-14
JP2007519967A (ja) 2007-07-19
US7734473B2 (en) 2010-06-08
CN1914668B (zh) 2010-06-16
KR20070001111A (ko) 2007-01-03
BRPI0507124A (pt) 2007-06-19
DE602005017358D1 (de) 2009-12-10
ES2335221T3 (es) 2010-03-23
EP1711937B1 (de) 2009-10-28
RU2381569C2 (ru) 2010-02-10
RU2006127273A (ru) 2008-02-10
EP1711937A1 (de) 2006-10-18
WO2005073958A1 (en) 2005-08-11
US20090192804A1 (en) 2009-07-30

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