EP0264955A3 - Electronic musical instrument in which musical tones are generated on the basis of pitches extracted from an input waveform signal - Google Patents

Electronic musical instrument in which musical tones are generated on the basis of pitches extracted from an input waveform signal Download PDF

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Publication number
EP0264955A3
EP0264955A3 EP87115594A EP87115594A EP0264955A3 EP 0264955 A3 EP0264955 A3 EP 0264955A3 EP 87115594 A EP87115594 A EP 87115594A EP 87115594 A EP87115594 A EP 87115594A EP 0264955 A3 EP0264955 A3 EP 0264955A3
Authority
EP
European Patent Office
Prior art keywords
basis
generated
waveform signal
input waveform
musical instrument
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.)
Granted
Application number
EP87115594A
Other versions
EP0264955B1 (en
EP0264955A2 (en
Inventor
Shigeru Pat. Dept. Dev. Hamura Uchiyama
Katsuhiko Pat. Dept. Dev. Hamura Obata
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 JP61253487A external-priority patent/JPS63106795A/en
Priority claimed from JP61283292A external-priority patent/JP2555551B2/en
Priority claimed from JP61282142A external-priority patent/JPS63136088A/en
Priority claimed from JP61285985A external-priority patent/JPS63139399A/en
Priority claimed from JP61286745A external-priority patent/JPS63141099A/en
Priority claimed from JP62004714A external-priority patent/JP2508044B2/en
Priority claimed from JP62050381A external-priority patent/JPH07104666B2/en
Priority to EP92105224A priority Critical patent/EP0493374B1/en
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of EP0264955A2 publication Critical patent/EP0264955A2/en
Publication of EP0264955A3 publication Critical patent/EP0264955A3/en
Publication of EP0264955B1 publication Critical patent/EP0264955B1/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/066—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for pitch analysis as part of wider processing for musical purposes, e.g. transcription, musical performance evaluation; Pitch recognition, e.g. in polyphonic sounds; Estimation or use of missing fundamental
EP19870115594 1986-10-24 1987-10-23 Apparatus for determining the pitch of a substantially periodic input signal Expired - Lifetime EP0264955B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP92105224A EP0493374B1 (en) 1986-10-24 1987-10-23 Apparatus for generating a musical tone signal in accordance with an input waveform signal

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
JP61253487A JPS63106795A (en) 1986-10-24 1986-10-24 Input controller for electronic musical instrument
JP253487/86 1986-10-24
JP61282142A JPS63136088A (en) 1986-11-28 1986-11-28 Input controller for electronic musical instrument
JP282142/86 1986-11-28
JP61283292A JP2555551B2 (en) 1986-11-28 1986-11-28 Input waveform signal controller
JP283292/86 1986-11-28
JP285985/86 1986-12-02
JP61285985A JPS63139399A (en) 1986-12-02 1986-12-02 Input controller for electronic musical instrument
JP61286745A JPS63141099A (en) 1986-12-03 1986-12-03 Input controller for electronic musical instrument
JP286745/86 1986-12-03
JP4714/87 1987-01-12
JP62004714A JP2508044B2 (en) 1987-01-12 1987-01-12 Electronic musical instrument input control device
JP50381/87 1987-03-06
JP62050381A JPH07104666B2 (en) 1987-03-06 1987-03-06 Pitch extractor

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP92105224.7 Division-Into 1987-10-23
EP92105224A Division EP0493374B1 (en) 1986-10-24 1987-10-23 Apparatus for generating a musical tone signal in accordance with an input waveform signal

Publications (3)

Publication Number Publication Date
EP0264955A2 EP0264955A2 (en) 1988-04-27
EP0264955A3 true EP0264955A3 (en) 1989-08-30
EP0264955B1 EP0264955B1 (en) 1993-03-17

Family

ID=27563289

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19870115594 Expired - Lifetime EP0264955B1 (en) 1986-10-24 1987-10-23 Apparatus for determining the pitch of a substantially periodic input signal
EP92105224A Expired - Lifetime EP0493374B1 (en) 1986-10-24 1987-10-23 Apparatus for generating a musical tone signal in accordance with an input waveform signal

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP92105224A Expired - Lifetime EP0493374B1 (en) 1986-10-24 1987-10-23 Apparatus for generating a musical tone signal in accordance with an input waveform signal

Country Status (3)

Country Link
EP (2) EP0264955B1 (en)
DE (2) DE3784830T2 (en)
HK (1) HK1005348A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0196700A (en) * 1987-10-08 1989-04-14 Casio Comput Co Ltd Input controller for electronic musical instrument
CN108333506A (en) * 2018-04-08 2018-07-27 杭州欣美成套电器制造有限公司 A kind of nearly zero-signal extraction and alternating-current switch position detecting circuit
CN111030412B (en) * 2019-12-04 2022-04-29 瑞声科技(新加坡)有限公司 Vibration waveform design method and vibration motor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138988A (en) * 1983-02-27 1984-10-31 Casio Computer Co Ltd Electronic musical instrument
US4627323A (en) * 1984-08-13 1986-12-09 New England Digital Corporation Pitch extractor apparatus and the like

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145298A (en) * 1984-08-09 1986-03-05 カシオ計算機株式会社 Electronic musical instrument

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138988A (en) * 1983-02-27 1984-10-31 Casio Computer Co Ltd Electronic musical instrument
US4627323A (en) * 1984-08-13 1986-12-09 New England Digital Corporation Pitch extractor apparatus and the like

Also Published As

Publication number Publication date
EP0493374A2 (en) 1992-07-01
DE3784830D1 (en) 1993-04-22
EP0493374A3 (en) 1992-11-19
EP0264955B1 (en) 1993-03-17
DE3752185T2 (en) 1998-08-27
EP0493374B1 (en) 1998-04-29
HK1005348A1 (en) 1998-12-31
DE3752185D1 (en) 1998-06-04
EP0264955A2 (en) 1988-04-27
DE3784830T2 (en) 1993-10-14

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