DE69521405D1 - System zum Abspielen mit veränderbarer Geschwindigkeit - Google Patents
System zum Abspielen mit veränderbarer GeschwindigkeitInfo
- 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
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
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)
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 |
US6999922B2 (en) * | 2003-06-27 | 2006-02-14 | Motorola, Inc. | Synchronization and overlap method and system for single buffer speech compression and expansion |
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 |
US8032360B2 (en) * | 2004-05-13 | 2011-10-04 | Broadcom Corporation | System and method for high-quality variable speed playback of audio-visual media |
CN1926824B (zh) * | 2004-05-26 | 2011-07-13 | 日本电信电话株式会社 | 声音分组再现方法、声音分组再现装置 |
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 |
WO2009025142A1 (ja) * | 2007-08-22 | 2009-02-26 | Nec Corporation | 話者速度変換システムおよびその方法ならびに速度変換装置 |
Family Cites Families (14)
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 |
EP0527527B1 (de) * | 1991-08-09 | 1999-01-20 | Koninklijke Philips Electronics N.V. | 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 |
-
1995
- 1995-01-11 US US08/371,258 patent/US5694521A/en not_active Expired - Lifetime
- 1995-12-08 JP JP7320765A patent/JPH08251030A/ja not_active Withdrawn
- 1995-12-21 DE DE69521405T patent/DE69521405T2/de not_active Expired - Lifetime
- 1995-12-21 EP EP95120294A patent/EP0726560B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0726560A3 (de) | 1998-01-07 |
US5694521A (en) | 1997-12-02 |
EP0726560B1 (de) | 2001-06-20 |
EP0726560A2 (de) | 1996-08-14 |
JPH08251030A (ja) | 1996-09-27 |
DE69521405T2 (de) | 2002-05-02 |
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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 |