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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Communication Control (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)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8027478B2 (en) * 2004-04-16 2011-09-27 Dublin Institute Of Technology Method and system for sound source separation
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
JP5554065B2 (ja) * 2007-02-06 2014-07-23 コーニンクレッカ フィリップス エヌ ヴェ 複雑さの軽減されたパラメトリックステレオデコーダ
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
CN102171750B (zh) * 2008-10-06 2013-10-16 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
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
US9237400B2 (en) * 2010-08-24 2016-01-12 Dolby International Ab Concealment of intermittent mono reception of FM stereo radio receivers
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
EP2987166A4 (de) * 2013-04-15 2016-12-21 Nokia Technologies Oy Bestimmer für mehrkanaligen audiosignalcodierermodus
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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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
US5751902A (en) * 1993-05-05 1998-05-12 U.S. Philips Corporation Adaptive prediction filter using block floating point format and minimal recursive recomputations
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
US5828994A (en) * 1996-06-05 1998-10-27 Interval Research Corporation Non-uniform time scale modification of recorded audio
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
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
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
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
JP2005510925A (ja) * 2001-11-30 2005-04-21 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 信号コード化
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
CN1914668B (zh) 2010-06-16
WO2005073958A1 (en) 2005-08-11
JP2007519967A (ja) 2007-07-19
CN1914668A (zh) 2007-02-14
RU2006127273A (ru) 2008-02-10
US20090192804A1 (en) 2009-07-30
RU2381569C2 (ru) 2010-02-10
KR20070001111A (ko) 2007-01-03
EP1711937A1 (de) 2006-10-18
DE602005017358D1 (de) 2009-12-10
BRPI0507124A (pt) 2007-06-19
ES2335221T3 (es) 2010-03-23
EP1711937B1 (de) 2009-10-28
US7734473B2 (en) 2010-06-08

Similar Documents

Publication Publication Date Title
DE602005017358D1 (de) Verfahren und vorrichtung zur zeitskalierung eines signals
US8831759B2 (en) Audio coding
PL2080195T3 (pl) Synteza utraconych bloków cyfrowego sygnału akustycznego
ATE376240T1 (de) Verfahren zur darstellung von mehrkanal- audiosignalen
US7542896B2 (en) Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
SE0004163D0 (sv) Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
ES2673319T3 (es) Control de coherencia de fase para señales armónicas en códecs de audio perceptual
TW200701821A (en) Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
MX2010002629A (es) Metodo y aparato para procesar una señal.
ATE447227T1 (de) Linear-prädiktive codierung eines audiosignals
ATE253766T1 (de) Vorrichtung und verfahren zur sprachsignalmodifizierung
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
DE602006011375D1 (de) Hörgerät, verfahren für einen in-situ-okklusionseffekt und verfahren zur direktsendeschallmessung und öffnungsgrössenbestimmung
ATE221244T1 (de) Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals
ATE475171T1 (de) Verfahren und vorrichtung zur erkennung tonaler komponenten von audiosignalen
MY181471A (en) Device and method for postprocessing spectral values and encoder and decoder for audio signals
DE502006006444D1 (de) Vorrichtung und verfahren zum erzeugen eines codietenstroms
WO2010036062A3 (en) A method and an apparatus for processing a signal
WO2009048239A3 (en) Encoding and decoding method using variable subband analysis and apparatus thereof
DE60308336D1 (de) Verfahren und system zur messung der übertragungsqualität eines systems
JP4313993B2 (ja) オーディオ復号化装置およびオーディオ復号化方法
DE60116559D1 (de) Verbessertes Verfahren zur Ermittlung der Qualität eines Sprachsignals
JP2002076904A (ja) 符号化されたオーディオ信号の復号化方法、及び符号化されたオーディオ信号の復号化装置
KR20080034074A (ko) 신호 처리 방법 및 장치
WO2010058931A3 (en) A method and an apparatus for processing a signal

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties