ATE103728T1 - Digitaler vocoder. - Google Patents

Digitaler vocoder.

Info

Publication number
ATE103728T1
ATE103728T1 AT87307732T AT87307732T ATE103728T1 AT E103728 T1 ATE103728 T1 AT E103728T1 AT 87307732 T AT87307732 T AT 87307732T AT 87307732 T AT87307732 T AT 87307732T AT E103728 T1 ATE103728 T1 AT E103728T1
Authority
AT
Austria
Prior art keywords
pitch
harmonic
fundamental
amplitudes
harmonics
Prior art date
Application number
AT87307732T
Other languages
English (en)
Inventor
Edward Charles Bronson
Walter Thornley Hartwell
Willem Bastiaan Kleijn
Dimitrios Panos Prezas
Original Assignee
American Telephone & Telegraph
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 American Telephone & Telegraph filed Critical American Telephone & Telegraph
Application granted granted Critical
Publication of ATE103728T1 publication Critical patent/ATE103728T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L25/90—Pitch determination of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Electrophonic Musical Instruments (AREA)
AT87307732T 1986-09-11 1987-09-02 Digitaler vocoder. ATE103728T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/906,523 US4797926A (en) 1986-09-11 1986-09-11 Digital speech vocoder
EP87307732A EP0260053B1 (de) 1986-09-11 1987-09-02 Digitaler Vocoder

Publications (1)

Publication Number Publication Date
ATE103728T1 true ATE103728T1 (de) 1994-04-15

Family

ID=25422593

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87307732T ATE103728T1 (de) 1986-09-11 1987-09-02 Digitaler vocoder.

Country Status (8)

Country Link
US (1) US4797926A (de)
EP (1) EP0260053B1 (de)
JP (1) JPH0833754B2 (de)
KR (1) KR960002388B1 (de)
AT (1) ATE103728T1 (de)
AU (1) AU580218B2 (de)
CA (1) CA1307345C (de)
DE (1) DE3789476T2 (de)

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Also Published As

Publication number Publication date
AU7825487A (en) 1988-03-24
US4797926A (en) 1989-01-10
EP0260053A1 (de) 1988-03-16
AU580218B2 (en) 1989-01-05
KR960002388B1 (ko) 1996-02-16
EP0260053B1 (de) 1994-03-30
DE3789476D1 (de) 1994-05-05
CA1307345C (en) 1992-09-08
KR880004426A (ko) 1988-06-07
JPH0833754B2 (ja) 1996-03-29
DE3789476T2 (de) 1994-09-15
JPS6370900A (ja) 1988-03-31

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