FR2478355A1 - Analyseur de spectre notamment pour reconnaissance de la parole dans un appareil telephonique commande par la voix - Google Patents

Analyseur de spectre notamment pour reconnaissance de la parole dans un appareil telephonique commande par la voix Download PDF

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Publication number
FR2478355A1
FR2478355A1 FR8105034A FR8105034A FR2478355A1 FR 2478355 A1 FR2478355 A1 FR 2478355A1 FR 8105034 A FR8105034 A FR 8105034A FR 8105034 A FR8105034 A FR 8105034A FR 2478355 A1 FR2478355 A1 FR 2478355A1
Authority
FR
France
Prior art keywords
frequency
memory
filter
signal
clock
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.)
Granted
Application number
FR8105034A
Other languages
English (en)
French (fr)
Other versions
FR2478355B1 (de
Inventor
Ljubomir Micic
Alexander Balanescu
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries 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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2478355A1 publication Critical patent/FR2478355A1/fr
Application granted granted Critical
Publication of FR2478355B1 publication Critical patent/FR2478355B1/fr
Granted legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/165—Spectrum analysis; Fourier analysis using filters
    • G01R23/167—Spectrum analysis; Fourier analysis using filters with digital 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR8105034A 1980-03-14 1981-03-13 Analyseur de spectre notamment pour reconnaissance de la parole dans un appareil telephonique commande par la voix Granted FR2478355A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803009785 DE3009785A1 (de) 1980-03-14 1980-03-14 Spektralanalysator

Publications (2)

Publication Number Publication Date
FR2478355A1 true FR2478355A1 (fr) 1981-09-18
FR2478355B1 FR2478355B1 (de) 1984-12-28

Family

ID=6097180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105034A Granted FR2478355A1 (fr) 1980-03-14 1981-03-13 Analyseur de spectre notamment pour reconnaissance de la parole dans un appareil telephonique commande par la voix

Country Status (5)

Country Link
JP (1) JPS56145365A (de)
DE (1) DE3009785A1 (de)
FR (1) FR2478355A1 (de)
GB (1) GB2075693B (de)
IT (1) IT1136820B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523263A1 (de) * 1991-07-16 1993-01-20 Wavetek Gmbh Methode zur Bestimmung der Frequenz eines dominenten Signals in einem Eingangssignal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1592136B1 (de) 2004-04-21 2012-07-11 St Microelectronics S.A. Adaptiver Demodulator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2074813A1 (de) * 1970-01-30 1971-10-08 Lannionnais Electronique

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2074813A1 (de) * 1970-01-30 1971-10-08 Lannionnais Electronique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523263A1 (de) * 1991-07-16 1993-01-20 Wavetek Gmbh Methode zur Bestimmung der Frequenz eines dominenten Signals in einem Eingangssignal

Also Published As

Publication number Publication date
GB2075693B (en) 1983-09-21
GB2075693A (en) 1981-11-18
IT1136820B (it) 1986-09-03
JPS56145365A (en) 1981-11-12
DE3009785A1 (de) 1981-10-01
FR2478355B1 (de) 1984-12-28
IT8120349A0 (it) 1981-03-16

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