CH432033A - Verfahren zur Spracherkennung - Google Patents

Verfahren zur Spracherkennung

Info

Publication number
CH432033A
CH432033A CH299765A CH299765A CH432033A CH 432033 A CH432033 A CH 432033A CH 299765 A CH299765 A CH 299765A CH 299765 A CH299765 A CH 299765A CH 432033 A CH432033 A CH 432033A
Authority
CH
Switzerland
Prior art keywords
circuit
periods
threshold
circuits
waveform
Prior art date
Application number
CH299765A
Other languages
English (en)
Inventor
Goodwin Wright Esmond Philip
Bezdel Wincenty
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH432033A publication Critical patent/CH432033A/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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • 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
    • 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
    • G10L25/09—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 zero crossing rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Telephonic Communication Services (AREA)
CH299765A 1964-03-06 1965-03-04 Verfahren zur Spracherkennung CH432033A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9638/64A GB1012765A (en) 1964-03-06 1964-03-06 Apparatus for the analysis of waveforms

Publications (1)

Publication Number Publication Date
CH432033A true CH432033A (de) 1967-03-15

Family

ID=9875856

Family Applications (1)

Application Number Title Priority Date Filing Date
CH299765A CH432033A (de) 1964-03-06 1965-03-04 Verfahren zur Spracherkennung

Country Status (7)

Country Link
US (1) US3416080A (de)
BE (1) BE660744A (de)
CH (1) CH432033A (de)
DE (1) DE1472038A1 (de)
FR (1) FR1426570A (de)
GB (1) GB1012765A (de)
NL (1) NL6502737A (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1170306A (en) * 1967-11-16 1969-11-12 Standard Telephones Cables Ltd Apparatus for Analysing Complex Waveforms
US3553372A (en) * 1965-11-05 1971-01-05 Int Standard Electric Corp Speech recognition apparatus
GB1139711A (en) * 1966-11-30 1969-01-15 Standard Telephones Cables Ltd Apparatus for analysing complex waveforms
US3492429A (en) * 1967-06-01 1970-01-27 Bell Telephone Labor Inc Interpolation of data with continuous speech signals
GB1180288A (en) * 1967-06-23 1970-02-04 Standard Telephones Cables Ltd Analysing Complex Signal Waveforms
US3647978A (en) * 1969-04-30 1972-03-07 Int Standard Electric Corp Speech recognition apparatus
GB1282641A (en) * 1969-05-14 1972-07-19 Thomas Patterson Speech encoding and decoding
US3670107A (en) * 1970-12-14 1972-06-13 Meguer V Kalfaian Word and letter spacing arrangement for human-speech typewriters
US3742143A (en) * 1971-03-01 1973-06-26 Bell Telephone Labor Inc Limited vocabulary speech recognition circuit for machine and telephone control
US3760108A (en) * 1971-09-30 1973-09-18 Tetrachord Corp Speech diagnostic and therapeutic apparatus including means for measuring the speech intensity and fundamental frequency
US3883850A (en) * 1972-06-19 1975-05-13 Threshold Tech Programmable word recognition apparatus
US4214125A (en) * 1977-01-21 1980-07-22 Forrest S. Mozer Method and apparatus for speech synthesizing
US4223398A (en) * 1978-08-31 1980-09-16 Blalock Sammy E Method for acoustic signal detection
US4163192A (en) * 1978-03-27 1979-07-31 Rca Corporation Ignition spark zone duration circuit
US4284846A (en) * 1978-05-08 1981-08-18 John Marley System and method for sound recognition
US4181813A (en) * 1978-05-08 1980-01-01 John Marley System and method for speech recognition
FR2506099B1 (fr) * 1981-05-12 1986-03-21 Elbeuf Electro Indle Recepteur d'emissions radiophoniques pour vehicule dont la frequence de reglage peut etre modifiee automatiquement en fonction des conditions de reception
SE8106186L (sv) * 1981-10-20 1983-04-21 Hans Olof Kohler Forfarande och anordning for att bestemma en analyssignals overenstemmelse med minst en referenssignal
US4477925A (en) * 1981-12-11 1984-10-16 Ncr Corporation Clipped speech-linear predictive coding speech processor
US4545065A (en) * 1982-04-28 1985-10-01 Xsi General Partnership Extrema coding signal processing method and apparatus
GB2145864B (en) * 1983-09-01 1987-09-03 King Reginald Alfred Voice recognition
DE3411485A1 (de) 1984-03-28 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erfassung der grenzen von signalen, die vor einem hintergrundsignalgemisch auftreten
US4783807A (en) * 1984-08-27 1988-11-08 John Marley System and method for sound recognition with feature selection synchronized to voice pitch
EP0471119A1 (de) * 1990-08-14 1992-02-19 Hewlett-Packard Limited Wellenformmessung
US5896049A (en) * 1997-10-21 1999-04-20 Kohler Co. Electrical signal frequency detector
US6005381A (en) * 1997-10-21 1999-12-21 Kohler Co. Electrical signal phase detector
FR2932625B1 (fr) * 2008-06-16 2010-05-28 Airbus France Dispositif de comptage d'oscillations d'un signal temporel oscillant
US8473253B2 (en) * 2010-10-21 2013-06-25 Siemens Medical Solutions Usa, Inc. Digital event timing
EP3508865B1 (de) * 2018-01-08 2022-07-20 Delta Electronics (Thailand) Public Co., Ltd. Verfahren zur schätzung einer signaleigenschaft

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974281A (en) * 1957-11-01 1961-03-07 Bell Telephone Labor Inc Selective signal recognition system
US3102928A (en) * 1960-12-23 1963-09-03 Bell Telephone Labor Inc Vocoder excitation generator
US3234332A (en) * 1961-12-01 1966-02-08 Rca Corp Acoustic apparatus and method for analyzing speech
US3268661A (en) * 1962-04-09 1966-08-23 Melpar Inc System for determining consonant formant loci
US3278685A (en) * 1962-12-31 1966-10-11 Ibm Wave analyzing system

Also Published As

Publication number Publication date
GB1012765A (en) 1965-12-08
NL6502737A (nl) 1965-09-07
BE660744A (nl) 1965-09-08
US3416080A (en) 1968-12-10
FR1426570A (fr) 1966-02-04
DE1472038A1 (de) 1968-12-05

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