DE69412294T2 - System zur prädiktiven Kodierung/Dekodierung eines digitalen Sprachsignals mittels einer adaptiven Transformation mit eingebetteten Kodes - Google Patents

System zur prädiktiven Kodierung/Dekodierung eines digitalen Sprachsignals mittels einer adaptiven Transformation mit eingebetteten Kodes

Info

Publication number
DE69412294T2
DE69412294T2 DE69412294T DE69412294T DE69412294T2 DE 69412294 T2 DE69412294 T2 DE 69412294T2 DE 69412294 T DE69412294 T DE 69412294T DE 69412294 T DE69412294 T DE 69412294T DE 69412294 T2 DE69412294 T2 DE 69412294T2
Authority
DE
Germany
Prior art keywords
decoding
speech signal
predictive coding
digital speech
embedded codes
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
DE69412294T
Other languages
English (en)
Other versions
DE69412294D1 (de
Inventor
Bruno Lozach
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.)
Gula Consulting LLC
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Publication of DE69412294D1 publication Critical patent/DE69412294D1/de
Application granted granted Critical
Publication of DE69412294T2 publication Critical patent/DE69412294T2/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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0003—Backward prediction of gain
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69412294T 1993-01-21 1994-01-18 System zur prädiktiven Kodierung/Dekodierung eines digitalen Sprachsignals mittels einer adaptiven Transformation mit eingebetteten Kodes Expired - Lifetime DE69412294T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9300601A FR2700632B1 (fr) 1993-01-21 1993-01-21 Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués.

Publications (2)

Publication Number Publication Date
DE69412294D1 DE69412294D1 (de) 1998-09-17
DE69412294T2 true DE69412294T2 (de) 1999-04-15

Family

ID=9443261

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412294T Expired - Lifetime DE69412294T2 (de) 1993-01-21 1994-01-18 System zur prädiktiven Kodierung/Dekodierung eines digitalen Sprachsignals mittels einer adaptiven Transformation mit eingebetteten Kodes

Country Status (4)

Country Link
US (1) US5583963A (de)
EP (1) EP0608174B1 (de)
DE (1) DE69412294T2 (de)
FR (1) FR2700632B1 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822436A (en) * 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
FR2722631B1 (fr) * 1994-07-13 1996-09-20 France Telecom Etablissement P Procede et systeme de filtrage adaptatif par egalisation aveugle d'un signal telephonique numerique et leurs applications
FR2729245B1 (fr) * 1995-01-06 1997-04-11 Lamblin Claude Procede de codage de parole a prediction lineaire et excitation par codes algebriques
JP3046213B2 (ja) * 1995-02-02 2000-05-29 三菱電機株式会社 サブバンド・オーディオ信号合成装置
IT1277194B1 (it) * 1995-06-28 1997-11-05 Alcatel Italia Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato
US5781882A (en) * 1995-09-14 1998-07-14 Motorola, Inc. Very low bit rate voice messaging system using asymmetric voice compression processing
WO1997031367A1 (en) * 1996-02-26 1997-08-28 At & T Corp. Multi-stage speech coder with transform coding of prediction residual signals with quantization by auditory models
US6107430A (en) * 1996-03-14 2000-08-22 The Dow Chemical Company Low application temperature hot melt adhesive comprising ethylene α-olefin
JP3878254B2 (ja) * 1996-06-21 2007-02-07 株式会社リコー 音声圧縮符号化方法および音声圧縮符号化装置
US6038528A (en) * 1996-07-17 2000-03-14 T-Netix, Inc. Robust speech processing with affine transform replicated data
JP3263347B2 (ja) * 1997-09-20 2002-03-04 松下電送システム株式会社 音声符号化装置及び音声符号化におけるピッチ予測方法
JP2000197054A (ja) * 1998-12-24 2000-07-14 Hudson Soft Co Ltd 動画像符号方法及びそのプログラムを記録した記録媒体並びに装置
US6768969B1 (en) * 2000-04-03 2004-07-27 Flint Hills Scientific, L.L.C. Method, computer program, and system for automated real-time signal analysis for detection, quantification, and prediction of signal changes
AU2001249785A1 (en) * 2000-04-03 2001-10-15 Flint Hills Scientific, L.L.C. Method, computer program, and system for automated real-time signal analysis fordetection, quantification, and prediction of signal changes
SE522261C2 (sv) * 2000-05-10 2004-01-27 Global Ip Sound Ab Kodning och avkodning av en digital signal
US6993477B1 (en) * 2000-06-08 2006-01-31 Lucent Technologies Inc. Methods and apparatus for adaptive signal processing involving a Karhunen-Loève basis
US7864938B2 (en) 2000-12-26 2011-01-04 Polycom, Inc. Speakerphone transmitting URL information to a remote device
US8977683B2 (en) * 2000-12-26 2015-03-10 Polycom, Inc. Speakerphone transmitting password information to a remote device
US8964604B2 (en) 2000-12-26 2015-02-24 Polycom, Inc. Conference endpoint instructing conference bridge to dial phone number
US7339605B2 (en) 2004-04-16 2008-03-04 Polycom, Inc. Conference link between a speakerphone and a video conference unit
US8948059B2 (en) 2000-12-26 2015-02-03 Polycom, Inc. Conference endpoint controlling audio volume of a remote device
US9001702B2 (en) 2000-12-26 2015-04-07 Polycom, Inc. Speakerphone using a secure audio connection to initiate a second secure connection
AU2002258135A1 (en) 2001-05-10 2002-11-18 Polycom Israel Ltd. Control unit for multipoint multimedia/audio system
US8976712B2 (en) 2001-05-10 2015-03-10 Polycom, Inc. Speakerphone and conference bridge which request and perform polling operations
US8934382B2 (en) 2001-05-10 2015-01-13 Polycom, Inc. Conference endpoint controlling functions of a remote device
US8947487B2 (en) 2001-12-31 2015-02-03 Polycom, Inc. Method and apparatus for combining speakerphone and video conference unit operations
US7742588B2 (en) * 2001-12-31 2010-06-22 Polycom, Inc. Speakerphone establishing and using a second connection of graphics information
US7787605B2 (en) 2001-12-31 2010-08-31 Polycom, Inc. Conference bridge which decodes and responds to control information embedded in audio information
US8705719B2 (en) 2001-12-31 2014-04-22 Polycom, Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US8144854B2 (en) * 2001-12-31 2012-03-27 Polycom Inc. Conference bridge which detects control information embedded in audio information to prioritize operations
US7978838B2 (en) 2001-12-31 2011-07-12 Polycom, Inc. Conference endpoint instructing conference bridge to mute participants
US8934381B2 (en) * 2001-12-31 2015-01-13 Polycom, Inc. Conference endpoint instructing a remote device to establish a new connection
US8885523B2 (en) 2001-12-31 2014-11-11 Polycom, Inc. Speakerphone transmitting control information embedded in audio information through a conference bridge
US8102984B2 (en) * 2001-12-31 2012-01-24 Polycom Inc. Speakerphone and conference bridge which receive and provide participant monitoring information
US8223942B2 (en) * 2001-12-31 2012-07-17 Polycom, Inc. Conference endpoint requesting and receiving billing information from a conference bridge
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
US8199791B2 (en) * 2005-06-08 2012-06-12 Polycom, Inc. Mixed voice and spread spectrum data signaling with enhanced concealment of data
US8126029B2 (en) * 2005-06-08 2012-02-28 Polycom, Inc. Voice interference correction for mixed voice and spread spectrum data signaling
US7796565B2 (en) * 2005-06-08 2010-09-14 Polycom, Inc. Mixed voice and spread spectrum data signaling with multiplexing multiple users with CDMA
US8190251B2 (en) * 2006-03-24 2012-05-29 Medtronic, Inc. Method and apparatus for the treatment of movement disorders
US7764989B2 (en) * 2006-04-21 2010-07-27 Medtronic, Inc. Method and apparatus for detection of nervous system disorders
US7761145B2 (en) * 2006-04-21 2010-07-20 Medtronic, Inc. Method and apparatus for detection of nervous system disorders
US7761146B2 (en) * 2006-04-21 2010-07-20 Medtronic, Inc. Method and apparatus for detection of nervous system disorders
US20070249953A1 (en) * 2006-04-21 2007-10-25 Medtronic, Inc. Method and apparatus for detection of nervous system disorders
US20070249956A1 (en) * 2006-04-21 2007-10-25 Medtronic, Inc. Method and apparatus for detection of nervous system disorders
US8165683B2 (en) * 2006-04-21 2012-04-24 Medtronic, Inc. Method and apparatus for detection of nervous system disorders
US8108438B2 (en) * 2008-02-11 2012-01-31 Nir Asher Sochen Finite harmonic oscillator
GB2495469B (en) 2011-09-02 2017-12-13 Skype Video coding
GB2495467B (en) * 2011-09-02 2017-12-13 Skype Video coding
GB2495468B (en) 2011-09-02 2017-12-13 Skype Video coding
RU2636126C2 (ru) * 2012-10-05 2017-11-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство для кодирования речевого сигнала с использованием acelp в автокорреляционной области

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802291A (nl) * 1988-09-16 1990-04-17 Koninkl Philips Electronics Nv Inrichting voor het verzenden van datawoorden welke een gedigitaliseerde analoog signaal vertegenwoordigen en een inrichting voor het ontvangen van de verzonden datawoorden.
EP0443548B1 (de) * 1990-02-22 2003-07-23 Nec Corporation Sprachcodierer
JPH0451199A (ja) * 1990-06-18 1992-02-19 Fujitsu Ltd 音声符号化・復号化方式
IT1241358B (it) * 1990-12-20 1994-01-10 Sip Sistema di codifica del segnale vocale con sottocodice annidato
US5371853A (en) * 1991-10-28 1994-12-06 University Of Maryland At College Park Method and system for CELP speech coding and codebook for use therewith

Also Published As

Publication number Publication date
FR2700632A1 (fr) 1994-07-22
EP0608174A1 (de) 1994-07-27
EP0608174B1 (de) 1998-08-12
FR2700632B1 (fr) 1995-03-24
DE69412294D1 (de) 1998-09-17
US5583963A (en) 1996-12-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FRANCE TELECOM SA, PARIS, FR

8327 Change in the person/name/address of the patent owner

Owner name: GULA CONSULTING LLC, DOVER, DEL., US