AU5095193A - Adaptive speech coder having code excited linear prediction - Google Patents

Adaptive speech coder having code excited linear prediction

Info

Publication number
AU5095193A
AU5095193A AU50951/93A AU5095193A AU5095193A AU 5095193 A AU5095193 A AU 5095193A AU 50951/93 A AU50951/93 A AU 50951/93A AU 5095193 A AU5095193 A AU 5095193A AU 5095193 A AU5095193 A AU 5095193A
Authority
AU
Australia
Prior art keywords
linear prediction
speech coder
excited linear
code excited
adaptive speech
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.)
Abandoned
Application number
AU50951/93A
Inventor
Harprit S Chhatwal
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.)
Cirrus Logic Inc
Original Assignee
Pacific Communication Sciences Inc
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 Pacific Communication Sciences Inc filed Critical Pacific Communication Sciences Inc
Publication of AU5095193A publication Critical patent/AU5095193A/en
Abandoned 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
    • G10L19/04—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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
AU50951/93A 1993-08-27 1993-08-27 Adaptive speech coder having code excited linear prediction Abandoned AU5095193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1993/008095 WO1995006310A1 (en) 1993-08-27 1993-08-27 Adaptive speech coder having code excited linear prediction

Publications (1)

Publication Number Publication Date
AU5095193A true AU5095193A (en) 1995-03-21

Family

ID=22236901

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50951/93A Abandoned AU5095193A (en) 1993-08-27 1993-08-27 Adaptive speech coder having code excited linear prediction

Country Status (4)

Country Link
EP (1) EP0803117A1 (en)
JP (1) JPH09506182A (en)
AU (1) AU5095193A (en)
WO (1) WO1995006310A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100510399B1 (en) 1998-02-17 2005-08-30 모토로라 인코포레이티드 Method and Apparatus for High Speed Determination of an Optimum Vector in a Fixed Codebook
CN101609677B (en) 2009-03-13 2012-01-04 华为技术有限公司 Preprocessing method, preprocessing device and preprocessing encoding equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02250100A (en) * 1989-03-24 1990-10-05 Mitsubishi Electric Corp Speech encoding device
JPH02272500A (en) * 1989-04-13 1990-11-07 Fujitsu Ltd Code driving voice encoding system
JPH0398318A (en) * 1989-09-11 1991-04-23 Fujitsu Ltd Voice coding system
JPH0451200A (en) * 1990-06-18 1992-02-19 Fujitsu Ltd Sound encoding system
US5457783A (en) * 1992-08-07 1995-10-10 Pacific Communication Sciences, Inc. Adaptive speech coder having code excited linear prediction

Also Published As

Publication number Publication date
JPH09506182A (en) 1997-06-17
EP0803117A1 (en) 1997-10-29
EP0803117A4 (en) 1997-10-29
WO1995006310A1 (en) 1995-03-02

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