FR2164813B3 - - Google Patents

Info

Publication number
FR2164813B3
FR2164813B3 FR7245703A FR7245703A FR2164813B3 FR 2164813 B3 FR2164813 B3 FR 2164813B3 FR 7245703 A FR7245703 A FR 7245703A FR 7245703 A FR7245703 A FR 7245703A FR 2164813 B3 FR2164813 B3 FR 2164813B3
Authority
FR
France
Prior art keywords
filter
signal
output
speech
adaptive
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
Application number
FR7245703A
Other languages
English (en)
French (fr)
Other versions
FR2164813A1 (es
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2164813A1 publication Critical patent/FR2164813A1/fr
Application granted granted Critical
Publication of FR2164813B3 publication Critical patent/FR2164813B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • 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
    • 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

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7245703A 1971-12-23 1972-12-21 Expired FR2164813B3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5993271A GB1356649A (en) 1971-12-23 1971-12-23 Speech transmission system

Publications (2)

Publication Number Publication Date
FR2164813A1 FR2164813A1 (es) 1973-08-03
FR2164813B3 true FR2164813B3 (es) 1976-02-13

Family

ID=10484681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245703A Expired FR2164813B3 (es) 1971-12-23 1972-12-21

Country Status (3)

Country Link
ES (1) ES409984A1 (es)
FR (1) FR2164813B3 (es)
GB (1) GB1356649A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130055B (en) * 1982-11-05 1986-08-06 Stc Plc A digital speech transmission system

Also Published As

Publication number Publication date
ES409984A1 (es) 1976-01-01
FR2164813A1 (es) 1973-08-03
GB1356649A (en) 1974-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse