FR2425689A1 - Appareil de formation de signaux representatifs de la parole - Google Patents

Appareil de formation de signaux representatifs de la parole

Info

Publication number
FR2425689A1
FR2425689A1 FR7911507A FR7911507A FR2425689A1 FR 2425689 A1 FR2425689 A1 FR 2425689A1 FR 7911507 A FR7911507 A FR 7911507A FR 7911507 A FR7911507 A FR 7911507A FR 2425689 A1 FR2425689 A1 FR 2425689A1
Authority
FR
France
Prior art keywords
speech
signals
training apparatus
detection
representative signals
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
FR7911507A
Other languages
English (en)
Other versions
FR2425689B1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2425689A1 publication Critical patent/FR2425689A1/fr
Application granted granted Critical
Publication of FR2425689B1 publication Critical patent/FR2425689B1/fr
Granted 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
    • G10L15/00—Speech recognition
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/009—Teaching or communicating with deaf persons
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/87—Detection of discrete points within a voice signal
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G10L2015/025—Phonemes, fenemes or fenones being the recognition units

Abstract

L'INVENTION CONCERNE UN APPAREIL DE FORMATION DE SIGNAUX REPRESENTATIFS DE LA PAROLE. ELLE SE RAPPORTE A UN APPAREIL QUI COMPREND UN MICROPROCESSEUR QUI CONTIENT UN ALGORITHME UTILISE POUR LA DETECTION DES TRANSITIONS PRINCIPALES DE PENTE DES SIGNAUX ANALOGIQUES DE PAROLE, EN FONCTION D'UNE PREMIERE SEQUENCE DE SIGNAUX NUMERIQUES OBTENUS PAR DETECTION D'INFORMATIONS CORRESPONDANT A LA PRESENCE ET A L'ABSENCE DE NOMBRE PREDETERMINE D'INVERSIONS SUCCESSIVES DE PENTE, DANS UN MODULATEUR DELTA. L'ALGORITHME CALCULE DES RAPPORTS CARACTERISTIQUES DE FORMES D'ONDE DE PAROLE QUI SONT COMPARES A DES RAPPORTS MEMORISES DE PHONEMES. LES SIGNAUX SONT UTILISES POUR LA COMMANDE D'UNE IMPRIMANTE. APPLICATION A LA RECONNAISSANCE DE PAROLES POUR LES PERSONNES SOURDES.
FR7911507A 1978-05-08 1979-05-07 Appareil de formation de signaux representatifs de la parole Granted FR2425689A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/903,697 US4181813A (en) 1978-05-08 1978-05-08 System and method for speech recognition

Publications (2)

Publication Number Publication Date
FR2425689A1 true FR2425689A1 (fr) 1979-12-07
FR2425689B1 FR2425689B1 (fr) 1984-09-21

Family

ID=25417942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911507A Granted FR2425689A1 (fr) 1978-05-08 1979-05-07 Appareil de formation de signaux representatifs de la parole

Country Status (5)

Country Link
US (1) US4181813A (fr)
JP (1) JPS55585A (fr)
DE (1) DE2918533A1 (fr)
FR (1) FR2425689A1 (fr)
GB (1) GB2020467B (fr)

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Also Published As

Publication number Publication date
JPS55585A (en) 1980-01-05
GB2020467B (en) 1983-01-12
JPS6147440B2 (fr) 1986-10-18
US4181813A (en) 1980-01-01
DE2918533C2 (fr) 1988-10-20
GB2020467A (en) 1979-11-14
FR2425689B1 (fr) 1984-09-21
DE2918533A1 (de) 1979-11-15

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Legal Events

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ST Notification of lapse