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NL6600070A - Speech recognition equipment - Google Patents

Speech recognition equipment

Info

Publication number
NL6600070A
NL6600070A NL6600070A NL6600070A NL6600070A NL 6600070 A NL6600070 A NL 6600070A NL 6600070 A NL6600070 A NL 6600070A NL 6600070 A NL6600070 A NL 6600070A NL 6600070 A NL6600070 A NL 6600070A
Authority
NL
Netherlands
Prior art keywords
recognition
word
input
stored
data
Prior art date
Application number
NL6600070A
Other languages
Dutch (nl)
Original Assignee
International Standard Electric Corporation
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
Priority claimed from GB9638/64A external-priority patent/GB1012765A/en
Application filed by International Standard Electric Corporation filed Critical International Standard Electric Corporation
Publication of NL6600070A publication Critical patent/NL6600070A/en

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
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/10—Speech classification or search using distance or distortion measures between unknown speech and reference templates
    • 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)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Document Processing Apparatus (AREA)

Abstract

1,055,371. Automatic character reading. STANDARD TELEPHONES & CABLES Ltd. Jan. 8, 1965, No. 963/65. Addition to 1,012,765. Heading G4R. In speech recognition equipment information is extracted at 5 (Fig. not shown) from each of a number of speech inputs 1 sampled in turn by gates 3 and the information is stored at 6 reference data stored at 7, compared in unit 5, a recognition signal causing a corresponding standard word recorded on magnetic drum 11 to be set back to the corresponding input. Each input is connected to a squaring circuit 2 and the output of each is sampled at high speed by the multiplexing gates 3. The circuit 5 may derive information from the incoming signals as described in the parent Specification by measuring the intervals between zerocrossings by counting reference pulses. The data from each input is stored at a particular location in store 6 and as results of further samplings are received this stored data is withdrawn, up-dated, compared with the reference information in store 7. If there is insufficient agreement for recognition the data is returned to store 6. If there is recognition the recognition outputs on leads 8 and 9 identify the word and the input channel on which it was received. These signals are applied to control unit 10 to cause the corresponding word to be read from the magnetic drum 11 and sent by switching unit 12 to the appropriate input line. The speaker thereby hears the word recognized. This serves both as a check on the recognition and as an illustration to the speaker of the proper pronunciation of the word.
NL6600070A 1964-03-06 1966-01-04 Speech recognition equipment NL6600070A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9638/64A GB1012765A (en) 1964-03-06 1964-03-06 Apparatus for the analysis of waveforms
GB96365A GB1055371A (en) 1964-03-06 1965-01-08 Apparatus for the recognition of speech

Publications (1)

Publication Number Publication Date
NL6600070A true NL6600070A (en) 1966-07-11

Family

ID=39831987

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6600070A NL6600070A (en) 1964-03-06 1966-01-04 Speech recognition equipment

Country Status (6)

Country Link
BE (1) BE674771A (en)
CH (1) CH456180A (en)
DE (1) DE1547026A1 (en)
FR (1) FR90113E (en)
GB (1) GB1055371A (en)
NL (1) NL6600070A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2074813A1 (en) * 1970-01-30 1971-10-08 Lannionnais Electronique
US4388495A (en) * 1981-05-01 1983-06-14 Interstate Electronics Corporation Speech recognition microcomputer
US4761815A (en) * 1981-05-01 1988-08-02 Figgie International, Inc. Speech recognition system based on word state duration and/or weight
JP2793213B2 (en) * 1988-12-29 1998-09-03 株式会社東芝 Speech recognition device and telephone using the same

Also Published As

Publication number Publication date
BE674771A (en) 1966-07-06
DE1547026A1 (en) 1969-10-23
CH456180A (en) 1968-05-15
GB1055371A (en) 1967-01-18
FR90113E (en) 1967-10-20

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