DE69720527D1 - Verfahren zur kodierung eines sprachsignals - Google Patents

Verfahren zur kodierung eines sprachsignals

Info

Publication number
DE69720527D1
DE69720527D1 DE69720527T DE69720527T DE69720527D1 DE 69720527 D1 DE69720527 D1 DE 69720527D1 DE 69720527 T DE69720527 T DE 69720527T DE 69720527 T DE69720527 T DE 69720527T DE 69720527 D1 DE69720527 D1 DE 69720527D1
Authority
DE
Germany
Prior art keywords
encoding
voice signal
voice
signal
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
DE69720527T
Other languages
English (en)
Other versions
DE69720527T2 (de
Inventor
Boon Choo
Ngee Koh
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.)
Intel Germany Holding GmbH
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Application granted granted Critical
Publication of DE69720527D1 publication Critical patent/DE69720527D1/de
Publication of DE69720527T2 publication Critical patent/DE69720527T2/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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

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)
DE69720527T 1997-09-30 1997-09-30 Verfahren zur kodierung eines sprachsignals Expired - Lifetime DE69720527T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG1997/000050 WO1999017279A1 (en) 1997-09-30 1997-09-30 A method of encoding a speech signal

Publications (2)

Publication Number Publication Date
DE69720527D1 true DE69720527D1 (de) 2003-05-08
DE69720527T2 DE69720527T2 (de) 2004-03-04

Family

ID=20429572

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720527T Expired - Lifetime DE69720527T2 (de) 1997-09-30 1997-09-30 Verfahren zur kodierung eines sprachsignals

Country Status (6)

Country Link
US (1) US6269332B1 (de)
EP (1) EP0954853B1 (de)
JP (1) JP2001507822A (de)
AU (1) AU4975597A (de)
DE (1) DE69720527T2 (de)
WO (1) WO1999017279A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377916B1 (en) * 1999-11-29 2002-04-23 Digital Voice Systems, Inc. Multiband harmonic transform coder
US6734971B2 (en) * 2000-12-08 2004-05-11 Lael Instruments Method and apparatus for self-referenced wafer stage positional error mapping
US7310598B1 (en) * 2002-04-12 2007-12-18 University Of Central Florida Research Foundation, Inc. Energy based split vector quantizer employing signal representation in multiple transform domains
US7337110B2 (en) * 2002-08-26 2008-02-26 Motorola, Inc. Structured VSELP codebook for low complexity search
US20060235685A1 (en) * 2005-04-15 2006-10-19 Nokia Corporation Framework for voice conversion
US20080161057A1 (en) * 2005-04-15 2008-07-03 Nokia Corporation Voice conversion in ring tones and other features for a communication device
US8577684B2 (en) 2005-07-13 2013-11-05 Intellisist, Inc. Selective security masking within recorded speech utilizing speech recognition techniques
US8433915B2 (en) * 2006-06-28 2013-04-30 Intellisist, Inc. Selective security masking within recorded speech
KR101131880B1 (ko) * 2007-03-23 2012-04-03 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치, 그리고 오디오 신호의디코딩 방법 및 장치
US8620660B2 (en) 2010-10-29 2013-12-31 The United States Of America, As Represented By The Secretary Of The Navy Very low bit rate signal coder and decoder
US9819798B2 (en) 2013-03-14 2017-11-14 Intellisist, Inc. Computer-implemented system and method for efficiently facilitating appointments within a call center via an automatic call distributor
US9224402B2 (en) * 2013-09-30 2015-12-29 International Business Machines Corporation Wideband speech parameterization for high quality synthesis, transformation and quantization
US10754978B2 (en) 2016-07-29 2020-08-25 Intellisist Inc. Computer-implemented system and method for storing and retrieving sensitive information

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150410A (en) 1991-04-11 1992-09-22 Itt Corporation Secure digital conferencing system
JP3343965B2 (ja) * 1992-10-31 2002-11-11 ソニー株式会社 音声符号化方法及び復号化方法
JP3721582B2 (ja) * 1993-06-30 2005-11-30 ソニー株式会社 信号符号化装置及び方法並びに信号復号化装置及び方法
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6144937A (en) * 1997-07-23 2000-11-07 Texas Instruments Incorporated Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information

Also Published As

Publication number Publication date
AU4975597A (en) 1999-04-23
EP0954853B1 (de) 2003-04-02
JP2001507822A (ja) 2001-06-12
DE69720527T2 (de) 2004-03-04
US6269332B1 (en) 2001-07-31
WO1999017279A1 (en) 1999-04-08
EP0954853A1 (de) 1999-11-10

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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: LANTIQ DEUTSCHLAND GMBH, 85579 NEUBIBERG, DE