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GB1041948A - Improvements in or relating to apparatus for determining the fundamental frequency or period of an electrical signal - Google Patents

Improvements in or relating to apparatus for determining the fundamental frequency or period of an electrical signal

Info

Publication number
GB1041948A
GB1041948A GB2234865A GB2234865A GB1041948A GB 1041948 A GB1041948 A GB 1041948A GB 2234865 A GB2234865 A GB 2234865A GB 2234865 A GB2234865 A GB 2234865A GB 1041948 A GB1041948 A GB 1041948A
Authority
GB
United Kingdom
Prior art keywords
contents
register
sum
produced
zero
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
GB2234865A
Other languages
English (en)
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
Publication of GB1041948A publication Critical patent/GB1041948A/en
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
    • 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
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB2234865A 1964-05-26 1965-05-26 Improvements in or relating to apparatus for determining the fundamental frequency or period of an electrical signal Expired GB1041948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7397A FR1415553A (fr) 1964-05-26 1964-05-26 Perfectionnements aux systèmes d'analyse de la voix

Publications (1)

Publication Number Publication Date
GB1041948A true GB1041948A (en) 1966-09-07

Family

ID=39791065

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2234865A Expired GB1041948A (en) 1964-05-26 1965-05-26 Improvements in or relating to apparatus for determining the fundamental frequency or period of an electrical signal

Country Status (5)

Country Link
CH (1) CH430802A (de)
DE (1) DE1271203B (de)
FR (1) FR1415553A (de)
GB (1) GB1041948A (de)
SE (1) SE308544B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2611969A1 (fr) * 1987-02-24 1988-09-09 Boulanger Marc Dispositif de reconnaissance vocale

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3063584A (en) * 1983-06-03 1985-01-04 Variable Speech Control Company ("vsc"). The Method and apparatus for pitch period controlled voice signalprocessing
US4700391A (en) * 1983-06-03 1987-10-13 The Variable Speech Control Company ("Vsc") Method and apparatus for pitch controlled voice signal processing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109142A (en) * 1960-10-06 1963-10-29 Bell Telephone Labor Inc Apparatus for encoding pitch information in a vocoder system
US3102928A (en) * 1960-12-23 1963-09-03 Bell Telephone Labor Inc Vocoder excitation generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2611969A1 (fr) * 1987-02-24 1988-09-09 Boulanger Marc Dispositif de reconnaissance vocale

Also Published As

Publication number Publication date
FR1415553A (fr) 1965-10-29
SE308544B (de) 1969-02-17
CH430802A (de) 1967-02-28
DE1271203B (de) 1968-06-27

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