DE69631728D1 - Verfahren und Vorrichtung zur Sprachkodierung - Google Patents

Verfahren und Vorrichtung zur Sprachkodierung

Info

Publication number
DE69631728D1
DE69631728D1 DE69631728T DE69631728T DE69631728D1 DE 69631728 D1 DE69631728 D1 DE 69631728D1 DE 69631728 T DE69631728 T DE 69631728T DE 69631728 T DE69631728 T DE 69631728T DE 69631728 D1 DE69631728 D1 DE 69631728D1
Authority
DE
Germany
Prior art keywords
speech coding
speech
coding
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
DE69631728T
Other languages
English (en)
Other versions
DE69631728T2 (de
Inventor
Jun Matsumoto
Shiro Omori
Masayuki Nishiguchi
Kazuyuki Iijima
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.)
Sony Corp
Original Assignee
Sony Corp
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
Priority claimed from JP7302130A external-priority patent/JPH09127986A/ja
Priority claimed from JP7302199A external-priority patent/JPH09127987A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69631728D1 publication Critical patent/DE69631728D1/de
Application granted granted Critical
Publication of DE69631728T2 publication Critical patent/DE69631728T2/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
    • G10L19/02—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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—Subband vocoders
    • 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
    • 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
    • G10L19/07—Line spectrum pair [LSP] vocoders
DE69631728T 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung Expired - Lifetime DE69631728T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP30219995 1995-10-26
JP30213095 1995-10-26
JP7302130A JPH09127986A (ja) 1995-10-26 1995-10-26 符号化信号の多重化方法及び信号符号化装置
JP7302199A JPH09127987A (ja) 1995-10-26 1995-10-26 信号符号化方法及び装置

Publications (2)

Publication Number Publication Date
DE69631728D1 true DE69631728D1 (de) 2004-04-08
DE69631728T2 DE69631728T2 (de) 2005-02-10

Family

ID=26562996

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69634645T Expired - Lifetime DE69634645T2 (de) 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung
DE69631728T Expired - Lifetime DE69631728T2 (de) 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69634645T Expired - Lifetime DE69634645T2 (de) 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung

Country Status (8)

Country Link
US (1) US5819212A (de)
EP (2) EP0770985B1 (de)
KR (1) KR970024629A (de)
CN (1) CN1096148C (de)
AU (1) AU725251B2 (de)
BR (1) BR9605251A (de)
DE (2) DE69634645T2 (de)
TW (1) TW321810B (de)

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Also Published As

Publication number Publication date
DE69631728T2 (de) 2005-02-10
CN1154013A (zh) 1997-07-09
EP0770985B1 (de) 2004-03-03
EP0770985A2 (de) 1997-05-02
DE69634645T2 (de) 2006-03-02
AU725251B2 (en) 2000-10-12
EP1262956A3 (de) 2003-01-08
AU7037396A (en) 1997-05-01
EP1262956A2 (de) 2002-12-04
EP1262956B1 (de) 2005-04-20
KR970024629A (ko) 1997-05-30
US5819212A (en) 1998-10-06
BR9605251A (pt) 1998-07-21
TW321810B (de) 1997-12-01
CN1096148C (zh) 2002-12-11
EP0770985A3 (de) 1998-10-07
DE69634645D1 (de) 2005-05-25

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