CA921129A - Fundamental frequency detectors - Google Patents

Fundamental frequency detectors

Info

Publication number
CA921129A
CA921129A CA090980A CA90980A CA921129A CA 921129 A CA921129 A CA 921129A CA 090980 A CA090980 A CA 090980A CA 90980 A CA90980 A CA 90980A CA 921129 A CA921129 A CA 921129A
Authority
CA
Canada
Prior art keywords
fundamental frequency
frequency detectors
detectors
fundamental
frequency
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
CA090980A
Other versions
CA90980S (en
Inventor
H. Buron Rene
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 CA921129A publication Critical patent/CA921129A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
CA090980A 1969-09-16 1970-08-18 Fundamental frequency detectors Expired CA921129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6932231A FR2058696A5 (en) 1969-09-16 1969-09-16

Publications (1)

Publication Number Publication Date
CA921129A true CA921129A (en) 1973-02-13

Family

ID=9040420

Family Applications (1)

Application Number Title Priority Date Filing Date
CA090980A Expired CA921129A (en) 1969-09-16 1970-08-18 Fundamental frequency detectors

Country Status (7)

Country Link
BE (1) BE754707A (en)
CA (1) CA921129A (en)
CH (1) CH512803A (en)
DE (1) DE2045347A1 (en)
FR (1) FR2058696A5 (en)
GB (1) GB1266268A (en)
SE (1) SE355258B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309785C2 (en) * 1970-12-18 1982-08-19 Siemens AG, 1000 Berlin und 8000 München Arrangement for carrying out a method for determining the fundamental frequency with a sliding decision threshold value

Also Published As

Publication number Publication date
DE2045347A1 (en) 1971-04-01
SE355258B (en) 1973-04-09
GB1266268A (en) 1972-03-08
BE754707A (en) 1971-01-18
CH512803A (en) 1971-09-15
FR2058696A5 (en) 1971-05-28

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