EP0493374A3 - 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

Info

Publication number
EP0493374A3
EP0493374A3 EP19920105224 EP92105224A EP0493374A3 EP 0493374 A3 EP0493374 A3 EP 0493374A3 EP 19920105224 EP19920105224 EP 19920105224 EP 92105224 A EP92105224 A EP 92105224A EP 0493374 A3 EP0493374 A3 EP 0493374A3
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
EP19920105224
Other versions
EP0493374B1 (en
EP0493374A2 (en
Inventor
Shigeru Patent Dep. Dev. Div Hamura R&D Uchiyama
Katsuhiko Patent Dept. Dev. Div Hamura R&D 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
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of EP0493374A2 publication Critical patent/EP0493374A2/en
Publication of EP0493374A3 publication Critical patent/EP0493374A3/en
Publication of EP0493374B1 publication Critical patent/EP0493374B1/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H3/00Instruments in which the tones are generated by electromechanical means
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2210/00Aspects 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
    • G10H2210/031Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/066Musical 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
EP92105224A 1986-10-24 1987-10-23 Apparatus for generating a musical tone signal in accordance with an input waveform signal Expired - Lifetime EP0493374B1 (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
JP253487/86 1986-10-24
JP61253487A JPS63106795A (en) 1986-10-24 1986-10-24 Input controller for electronic musical instrument
JP61282142A JPS63136088A (en) 1986-11-28 1986-11-28 Input controller for electronic musical instrument
JP282142/86 1986-11-28
JP283292/86 1986-11-28
JP61283292A JP2555551B2 (en) 1986-11-28 1986-11-28 Input waveform signal controller
JP61285985A JPS63139399A (en) 1986-12-02 1986-12-02 Input controller for electronic musical instrument
JP285985/86 1986-12-02
JP286745/86 1986-12-03
JP61286745A JPS63141099A (en) 1986-12-03 1986-12-03 Input controller for electronic musical instrument
JP4714/87 1987-01-12
JP62004714A JP2508044B2 (en) 1987-01-12 1987-01-12 Electronic musical instrument input control device
JP62050381A JPH07104666B2 (en) 1987-03-06 1987-03-06 Pitch extractor
JP50381/87 1987-03-06
EP19870115594 EP0264955B1 (en) 1986-10-24 1987-10-23 Apparatus for determining the pitch of a substantially periodic input signal

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP19870115594 Division EP0264955B1 (en) 1986-10-24 1987-10-23 Apparatus for determining the pitch of a substantially periodic input signal
EP87115594.1 Division 1987-10-23

Publications (3)

Publication Number Publication Date
EP0493374A2 EP0493374A2 (en) 1992-07-01
EP0493374A3 true EP0493374A3 (en) 1992-11-19
EP0493374B1 EP0493374B1 (en) 1998-04-29

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 Before (1)

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

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
GB2162989A (en) * 1984-08-09 1986-02-12 Casio Computer Co Ltd Tone information processing device for an electronic musical instrument

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4627323A (en) * 1984-08-13 1986-12-09 New England Digital Corporation Pitch extractor apparatus and the like

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
GB2162989A (en) * 1984-08-09 1986-02-12 Casio Computer Co Ltd Tone information processing device for an electronic musical instrument

Also Published As

Publication number Publication date
DE3784830T2 (en) 1993-10-14
DE3752185D1 (en) 1998-06-04
EP0264955A2 (en) 1988-04-27
DE3752185T2 (en) 1998-08-27
EP0264955B1 (en) 1993-03-17
EP0493374B1 (en) 1998-04-29
EP0264955A3 (en) 1989-08-30
EP0493374A2 (en) 1992-07-01
DE3784830D1 (en) 1993-04-22
HK1005348A1 (en) 1998-12-31

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