JPS53132910A - Extraction system of fundamental frequency of sound signal - Google Patents

Extraction system of fundamental frequency of sound signal

Info

Publication number
JPS53132910A
JPS53132910A JP4735077A JP4735077A JPS53132910A JP S53132910 A JPS53132910 A JP S53132910A JP 4735077 A JP4735077 A JP 4735077A JP 4735077 A JP4735077 A JP 4735077A JP S53132910 A JPS53132910 A JP S53132910A
Authority
JP
Japan
Prior art keywords
sound signal
fundamental frequency
extraction system
frequency
distinction
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.)
Pending
Application number
JP4735077A
Other languages
Japanese (ja)
Inventor
Teruo Yasuhiro
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting 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 Nippon Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP4735077A priority Critical patent/JPS53132910A/en
Publication of JPS53132910A publication Critical patent/JPS53132910A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To extract a fundamental frequency accurately and easily without distinction of the sex of a speaker, by making use of the lower minimum-component frequency between an input sound signal and its squared wave as the fundamental frequency of the sound signal.
COPYRIGHT: (C)1978,JPO&Japio
JP4735077A 1977-04-26 1977-04-26 Extraction system of fundamental frequency of sound signal Pending JPS53132910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4735077A JPS53132910A (en) 1977-04-26 1977-04-26 Extraction system of fundamental frequency of sound signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4735077A JPS53132910A (en) 1977-04-26 1977-04-26 Extraction system of fundamental frequency of sound signal

Publications (1)

Publication Number Publication Date
JPS53132910A true JPS53132910A (en) 1978-11-20

Family

ID=12772690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4735077A Pending JPS53132910A (en) 1977-04-26 1977-04-26 Extraction system of fundamental frequency of sound signal

Country Status (1)

Country Link
JP (1) JPS53132910A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820878B2 (en) * 1985-08-28 1996-03-04 エイ・ティ・アンド・ティ・コーポレーション Parallel processing type pitch detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820878B2 (en) * 1985-08-28 1996-03-04 エイ・ティ・アンド・ティ・コーポレーション Parallel processing type pitch detector

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