FR1494395A - Système d'analyse de la parole - Google Patents

Système d'analyse de la parole

Info

Publication number
FR1494395A
FR1494395A FR8032A FR06008032A FR1494395A FR 1494395 A FR1494395 A FR 1494395A FR 8032 A FR8032 A FR 8032A FR 06008032 A FR06008032 A FR 06008032A FR 1494395 A FR1494395 A FR 1494395A
Authority
FR
France
Prior art keywords
multivibrator
noise
automatic gain
gain control
ring
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
FR8032A
Other languages
English (en)
French (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1494395A publication Critical patent/FR1494395A/fr
Expired legal-status Critical Current

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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • 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
    • G10L15/00—Speech recognition
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Prostheses (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
FR8032A 1965-10-13 1966-09-12 Système d'analyse de la parole Expired FR1494395A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US495427A US3418429A (en) 1965-10-13 1965-10-13 Speech analysis system

Publications (1)

Publication Number Publication Date
FR1494395A true FR1494395A (fr) 1967-09-08

Family

ID=23968609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8032A Expired FR1494395A (fr) 1965-10-13 1966-09-12 Système d'analyse de la parole

Country Status (8)

Country Link
US (1) US3418429A (enrdf_load_stackoverflow)
BE (1) BE687178A (enrdf_load_stackoverflow)
CH (1) CH452913A (enrdf_load_stackoverflow)
ES (1) ES331289A1 (enrdf_load_stackoverflow)
FR (1) FR1494395A (enrdf_load_stackoverflow)
GB (1) GB1160593A (enrdf_load_stackoverflow)
NL (1) NL148731B (enrdf_load_stackoverflow)
SE (1) SE321958B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2291259A1 (fr) * 1974-11-12 1976-06-11 Raffinage Cie Francaise Suspensions aqueuses stabilisees d'asphaltes durs et application de ces suspensions au preenrobage d'agregats pour enrobes bitumeux
GB2196460B (en) * 1986-10-03 1991-05-15 Ricoh Kk Methods for comparing an input voice pattern with a registered voice pattern and voice recognition systems
US5231670A (en) * 1987-06-01 1993-07-27 Kurzweil Applied Intelligence, Inc. Voice controlled system and method for generating text from a voice controlled input
DE69317802T2 (de) * 1992-01-21 1998-10-22 Koninkl Philips Electronics Nv Verfahren und Vorrichtung für Tonverbesserung unter Verwendung von Hüllung von multibandpassfiltrierten Signalen in Kammfiltern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126449A (en) * 1964-03-24 Shirman
US3109066A (en) * 1959-12-15 1963-10-29 Bell Telephone Labor Inc Sound control system
US3261916A (en) * 1962-11-16 1966-07-19 Ibm Adjustable recognition system

Also Published As

Publication number Publication date
NL6614325A (enrdf_load_stackoverflow) 1967-04-14
ES331289A1 (es) 1967-07-01
DE1547030B2 (de) 1976-03-04
US3418429A (en) 1968-12-24
NL148731B (nl) 1976-02-16
SE321958B (enrdf_load_stackoverflow) 1970-03-23
BE687178A (enrdf_load_stackoverflow) 1967-03-01
CH452913A (de) 1968-03-15
DE1547030A1 (de) 1969-11-20
GB1160593A (en) 1969-08-06

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