ATE73251T1 - Digitaler sinusvocoder mit uebertragung von nur einem teil der harmonischen. - Google Patents

Digitaler sinusvocoder mit uebertragung von nur einem teil der harmonischen.

Info

Publication number
ATE73251T1
ATE73251T1 AT87305944T AT87305944T ATE73251T1 AT E73251 T1 ATE73251 T1 AT E73251T1 AT 87305944 T AT87305944 T AT 87305944T AT 87305944 T AT87305944 T AT 87305944T AT E73251 T1 ATE73251 T1 AT E73251T1
Authority
AT
Austria
Prior art keywords
harmonic frequencies
harmonics
remaining
frequencies
theoretical
Prior art date
Application number
AT87305944T
Other languages
English (en)
Inventor
Edward Charles Bronson
Walter Thornley Hartwell
Thomas Edward Jacobs
Richard Harry Ketchum
Willem Bastiaan Kleijn
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 ATE73251T1 publication Critical patent/ATE73251T1/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
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
AT87305944T 1986-09-11 1987-07-06 Digitaler sinusvocoder mit uebertragung von nur einem teil der harmonischen. ATE73251T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/906,424 US4771465A (en) 1986-09-11 1986-09-11 Digital speech sinusoidal vocoder with transmission of only subset of harmonics
EP87305944A EP0259950B1 (de) 1986-09-11 1987-07-06 Digitaler Sinusvocoder mit Übertragung von nur einem Teil der Harmonischen

Publications (1)

Publication Number Publication Date
ATE73251T1 true ATE73251T1 (de) 1992-03-15

Family

ID=25422427

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87305944T ATE73251T1 (de) 1986-09-11 1987-07-06 Digitaler sinusvocoder mit uebertragung von nur einem teil der harmonischen.

Country Status (9)

Country Link
US (1) US4771465A (de)
EP (1) EP0259950B1 (de)
JP (1) JPH0833753B2 (de)
KR (1) KR960002387B1 (de)
AT (1) ATE73251T1 (de)
AU (1) AU575515B2 (de)
CA (1) CA1307344C (de)
DE (1) DE3777028D1 (de)
SG (1) SG123392G (de)

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Also Published As

Publication number Publication date
US4771465A (en) 1988-09-13
AU575515B2 (en) 1988-07-28
KR880004425A (ko) 1988-06-07
JPH0833753B2 (ja) 1996-03-29
JPS6370300A (ja) 1988-03-30
EP0259950A1 (de) 1988-03-16
AU7530287A (en) 1988-03-17
CA1307344C (en) 1992-09-08
KR960002387B1 (ko) 1996-02-16
EP0259950B1 (de) 1992-03-04
DE3777028D1 (de) 1992-04-09
SG123392G (en) 1993-02-19

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