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)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (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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EP1741313B1 (de) * 2004-04-16 2008-03-05 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
EP2038881B1 (de) * 2006-06-29 2011-08-10 Nxp B.V. 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
US8401865B2 (en) 2007-07-18 2013-03-19 Nokia Corporation Flexible parameter update in audio/speech coded signals
EP2650877B1 (de) * 2008-10-06 2016-04-06 Telefonaktiebolaget LM Ericsson (publ) Verfahren und Vorrichtung zur Ablieferung von Ausgerichtetem Mehrkanal-Audio
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
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
TWI618350B (zh) 2009-02-18 2018-03-11 杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
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
ES2526320T3 (es) * 2010-08-24 2015-01-09 Dolby International Ab Ocultamiento de la recepción mono intermitente de receptores de radio estéreo de FM
EP2710592B1 (de) * 2011-07-15 2017-11-22 Huawei Technologies Co., Ltd. Verfahren und vorrichtung zur verarbeitung eines mehrkanaltonsignals
IN2015DN04001A (de) * 2012-11-07 2015-10-02 Dolby Int Ab
US20160064004A1 (en) * 2013-04-15 2016-03-03 Nokia Technologies Oy 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
WO2024208420A1 (en) * 2023-04-05 2024-10-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor, audio processing system, audio decoder, method for providing a processed audio signal representation and computer program using a time scale modification

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US5175769A (en) * 1991-07-23 1992-12-29 Rolm Systems Method for time-scale modification of signals
CN1131508C (zh) * 1993-05-05 2003-12-17 皇家菲利浦电子有限公司 包括至少一个编码器的传输系统
FR2741215B1 (fr) * 1995-11-14 1998-01-23 Matra Communication Procede de transmission d'une sequence de bits d'information avec protection selective contre les erreurs de transmission, procedes de codage et de correction pouvant etre mis en oeuvre dans un tel procede de transmission
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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
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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
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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
BRPI0507124A (pt) 2007-06-19
EP1711937A1 (de) 2006-10-18
ES2335221T3 (es) 2010-03-23
CN1914668A (zh) 2007-02-14
US7734473B2 (en) 2010-06-08
RU2381569C2 (ru) 2010-02-10
CN1914668B (zh) 2010-06-16
WO2005073958A1 (en) 2005-08-11
JP2007519967A (ja) 2007-07-19
EP1711937B1 (de) 2009-10-28
KR20070001111A (ko) 2007-01-03
DE602005017358D1 (de) 2009-12-10
US20090192804A1 (en) 2009-07-30
RU2006127273A (ru) 2008-02-10

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