DE69521405D1 - System zum Abspielen mit veränderbarer Geschwindigkeit - Google Patents

System zum Abspielen mit veränderbarer Geschwindigkeit

Info

Publication number
DE69521405D1
DE69521405D1 DE69521405T DE69521405T DE69521405D1 DE 69521405 D1 DE69521405 D1 DE 69521405D1 DE 69521405 T DE69521405 T DE 69521405T DE 69521405 T DE69521405 T DE 69521405T DE 69521405 D1 DE69521405 D1 DE 69521405D1
Authority
DE
Germany
Prior art keywords
playing
variable speed
variable
speed
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
DE69521405T
Other languages
English (en)
Other versions
DE69521405T2 (de
Inventor
Eyal Shlomot
Albert Achuan Hsueh
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.)
Mindspeed Technologies LLC
Original Assignee
Conexant Systems LLC
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 Conexant Systems LLC filed Critical Conexant Systems LLC
Application granted granted Critical
Publication of DE69521405D1 publication Critical patent/DE69521405D1/de
Publication of DE69521405T2 publication Critical patent/DE69521405T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
DE69521405T 1995-01-11 1995-12-21 System zum Abspielen mit veränderbarer Geschwindigkeit Expired - Lifetime DE69521405T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/371,258 US5694521A (en) 1995-01-11 1995-01-11 Variable speed playback system

Publications (2)

Publication Number Publication Date
DE69521405D1 true DE69521405D1 (de) 2001-07-26
DE69521405T2 DE69521405T2 (de) 2002-05-02

Family

ID=23463194

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521405T Expired - Lifetime DE69521405T2 (de) 1995-01-11 1995-12-21 System zum Abspielen mit veränderbarer Geschwindigkeit

Country Status (4)

Country Link
US (1) US5694521A (de)
EP (1) EP0726560B1 (de)
JP (1) JPH08251030A (de)
DE (1) DE69521405T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717823A (en) * 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders
DE19710545C1 (de) * 1997-03-14 1997-12-04 Grundig Ag Effizientes Verfahren zur Geschwindigkeitsmodifikation von Sprachsignalen
US6374225B1 (en) * 1998-10-09 2002-04-16 Enounce, Incorporated Method and apparatus to prepare listener-interest-filtered works
US6266643B1 (en) * 1999-03-03 2001-07-24 Kenneth Canfield Speeding up audio without changing pitch by comparing dominant frequencies
US7302396B1 (en) 1999-04-27 2007-11-27 Realnetworks, Inc. System and method for cross-fading between audio streams
US6625656B2 (en) * 1999-05-04 2003-09-23 Enounce, Incorporated Method and apparatus for continuous playback or distribution of information including audio-visual streamed multimedia
SE9903223L (sv) * 1999-09-09 2001-05-08 Ericsson Telefon Ab L M Förfarande och anordning i telekommunikationssystem
AU4200600A (en) 1999-09-16 2001-04-17 Enounce, Incorporated Method and apparatus to determine and use audience affinity and aptitude
US6377931B1 (en) 1999-09-28 2002-04-23 Mindspeed Technologies Speech manipulation for continuous speech playback over a packet network
US6718309B1 (en) * 2000-07-26 2004-04-06 Ssi Corporation Continuously variable time scale modification of digital audio signals
US7299182B2 (en) * 2002-05-09 2007-11-20 Thomson Licensing Text-to-speech (TTS) for hand-held devices
US7426470B2 (en) * 2002-10-03 2008-09-16 Ntt Docomo, Inc. Energy-based nonuniform time-scale modification of audio signals
US7426221B1 (en) 2003-02-04 2008-09-16 Cisco Technology, Inc. Pitch invariant synchronization of audio playout rates
US8340972B2 (en) * 2003-06-27 2012-12-25 Motorola Mobility Llc Psychoacoustic method and system to impose a preferred talking rate through auditory feedback rate adjustment
US6999922B2 (en) * 2003-06-27 2006-02-14 Motorola, Inc. Synchronization and overlap method and system for single buffer speech compression and expansion
US8032360B2 (en) * 2004-05-13 2011-10-04 Broadcom Corporation System and method for high-quality variable speed playback of audio-visual media
WO2005117366A1 (ja) * 2004-05-26 2005-12-08 Nippon Telegraph And Telephone Corporation 音声パケット再生方法、音声パケット再生装置、音声パケット再生プログラム、記録媒体
JP4096915B2 (ja) * 2004-06-01 2008-06-04 株式会社日立製作所 デジタル情報再生装置及び方法
US20060075347A1 (en) * 2004-10-05 2006-04-06 Rehm Peter H Computerized notetaking system and method
US7676362B2 (en) * 2004-12-31 2010-03-09 Motorola, Inc. Method and apparatus for enhancing loudness of a speech signal
US8280730B2 (en) 2005-05-25 2012-10-02 Motorola Mobility Llc Method and apparatus of increasing speech intelligibility in noisy environments
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
JP5609111B2 (ja) * 2007-08-22 2014-10-22 日本電気株式会社 話者速度変換システム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022974A (en) * 1976-06-03 1977-05-10 Bell Telephone Laboratories, Incorporated Adaptive linear prediction speech synthesizer
US4631746A (en) * 1983-02-14 1986-12-23 Wang Laboratories, Inc. Compression and expansion of digitized voice signals
US4935963A (en) * 1986-01-24 1990-06-19 Racal Data Communications Inc. Method and apparatus for processing speech signals
US4852168A (en) * 1986-11-18 1989-07-25 Sprague Richard P Compression of stored waveforms for artificial speech
JP2884163B2 (ja) * 1987-02-20 1999-04-19 富士通株式会社 符号化伝送装置
IL84902A (en) * 1987-12-21 1991-12-15 D S P Group Israel Ltd Digital autocorrelation system for detecting speech in noisy audio signal
US4991213A (en) * 1988-05-26 1991-02-05 Pacific Communication Sciences, Inc. Speech specific adaptive transform coder
FR2636163B1 (fr) * 1988-09-02 1991-07-05 Hamon Christian Procede et dispositif de synthese de la parole par addition-recouvrement de formes d'onde
DE69024919T2 (de) * 1989-10-06 1996-10-17 Matsushita Electric Ind Co Ltd Einrichtung und Methode zur Veränderung von Sprechgeschwindigkeit
US5175769A (en) * 1991-07-23 1992-12-29 Rolm Systems Method for time-scale modification of signals
DE69228211T2 (de) * 1991-08-09 1999-07-08 Koninkl Philips Electronics Nv Verfahren und Apparat zur Handhabung von Höhe und Dauer eines physikalischen Audiosignals
FR2692070B1 (fr) * 1992-06-05 1996-10-25 Thomson Csf Procede et dispositif de synthese vocale a vitesse variable.
US5386493A (en) * 1992-09-25 1995-01-31 Apple Computer, Inc. Apparatus and method for playing back audio at faster or slower rates without pitch distortion
US5717823A (en) * 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders

Also Published As

Publication number Publication date
EP0726560A2 (de) 1996-08-14
US5694521A (en) 1997-12-02
DE69521405T2 (de) 2002-05-02
EP0726560A3 (de) 1998-01-07
JPH08251030A (ja) 1996-09-27
EP0726560B1 (de) 2001-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8370 Indication related to discontinuation of the patent is to be deleted
8327 Change in the person/name/address of the patent owner

Owner name: MINDSPEED TECHNOLOGIES, INC. (N.D.GES.D. STAATES D