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

Info

Publication number: EP0264955A3
Authority: EP; European Patent Office
Prior art keywords: basis; generated; waveform signal; input waveform; musical instrument
Prior art date: 1986-10-24
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.)

1986-10-24

Filing date

1987-10-23

Publication date

1989-08-30

1986-10-24 Priority claimed from JP61253487A external-priority patent/JPS63106795A/en

1986-11-28 Priority claimed from JP61283292A external-priority patent/JP2555551B2/en

1986-11-28 Priority claimed from JP61282142A external-priority patent/JPS63136088A/en

1986-12-02 Priority claimed from JP61285985A external-priority patent/JPS63139399A/en

1986-12-03 Priority claimed from JP61286745A external-priority patent/JPS63141099A/en

1987-01-12 Priority claimed from JP62004714A external-priority patent/JP2508044B2/en

1987-03-06 Priority claimed from JP62050381A external-priority patent/JPH07104666B2/en

1987-10-23 Priority to EP92105224A priority Critical patent/EP0493374B1/en

1987-10-23 Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd

1988-04-27 Publication of EP0264955A2 publication Critical patent/EP0264955A2/en

1989-08-30 Publication of EP0264955A3 publication Critical patent/EP0264955A3/en

1993-03-17 Publication of EP0264955B1 publication Critical patent/EP0264955B1/en

1993-03-17 Application granted granted Critical

2007-10-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Electrophonic Musical Instruments (AREA)

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
JP283292/86		1986-11-28
JP61283292A JP2555551B2 (en)	1986-11-28	1986-11-28	Input waveform signal controller
JP282142/86		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
JP62004714A JP2508044B2 (en)	1987-01-12	1987-01-12	Electronic musical instrument input control device
JP4714/87		1987-01-12
JP62050381A JPH07104666B2 (en)	1987-03-06	1987-03-06	Pitch extractor
JP50381/87		1987-03-06

Related Child Applications (2)

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

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
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
EP19870115594 Expired - Lifetime EP0264955B1 (en)	1986-10-24	1987-10-23	Apparatus for determining the pitch of a substantially periodic input signal

Family Applications Before (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)	EP0493374B1 (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

1987
- 1987-10-23 EP EP92105224A patent/EP0493374B1/en not_active Expired - Lifetime
- 1987-10-23 DE DE19873784830 patent/DE3784830T2/en not_active Expired - Lifetime
- 1987-10-23 DE DE19873752185 patent/DE3752185T2/en not_active Expired - Lifetime
- 1987-10-23 EP EP19870115594 patent/EP0264955B1/en not_active Expired - Lifetime
1998
- 1998-05-20 HK HK98104364A patent/HK1005348A1/en not_active IP Right Cessation

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

Publication	Publication Date	Title
EP0263494A3 (en)	1990-02-07	Keyboard apparatus of electronic musical instrument
HK134095A (en)	1995-09-01	Tone signal generation device for an electronic musical instrument
DE3787759D1 (en)	1993-11-18	Electronic stringed musical instrument.
DE69016824D1 (en)	1995-03-23	Device for generating musical tone waveform signals.
DE3571712D1 (en)	1989-08-24	Tone signal generation device for an electronic musical instrument
HK188596A (en)	1996-10-18	Electronic musical instrument having plural different tone generators
EP0312062A3 (en)	1990-07-18	Electronic musical instrument
EP0288062A3 (en)	1990-01-17	Electronic musical instrument
GB2217901B (en)	1992-12-09	Electronic musical instrument
EP0339575A3 (en)	1990-07-11	Electronic musical instrument
EP0169659A3 (en)	1988-07-13	Sound generator for electronic musical instrument
KR920008297B1 (en)	1992-09-26	Electronic musical instrument
HK133095A (en)	1995-09-01	Electronic musical instrument capable of performing an automatic accompaniment
EP0235538A3 (en)	1989-03-08	Waveform generator for electronic musical instrument
HK132995A (en)	1995-09-01	Electronic musical instrument
EP0493374A3 (en)	1992-11-19	Electronic musical instrument in which musical tones are generated on the basis of pitches extracted from an input waveform signal
GB8818731D0 (en)	1988-09-07	Electronic musical instrument
SG7495G (en)	1995-06-16	Tone signal generation device for an electronic musical instrument
KR930005221B1 (en)	1993-06-16	Tone signal generating apparatus for electronic musical instrument
EP0122634A3 (en)	1988-05-04	Polyphonic electronic musical instrument
GB2199686B (en)	1990-03-28	Electronic stringed musical instrument
JPS57186798A (en)	1982-11-17	Musical sound waveform generation circuit for electronic musical instrument
GB8600417D0 (en)	1986-02-12	Electronic musical instrument
GB8626301D0 (en)	1986-12-03	Electronic musical instrument
GB8620154D0 (en)	1986-10-01	Electronic musical instruments

Legal Events

Date	Code	Title	Description
1988-03-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-04-27	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1989-07-11	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-08-30	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1989-11-23	17P	Request for examination filed	Effective date: 19890925
1991-04-24	17Q	First examination report despatched	Effective date: 19910313
1992-06-10	RTI1	Title (correction)
1993-01-29	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1993-03-17	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1993-04-22	REF	Corresponds to:	Ref document number: 3784830 Country of ref document: DE Date of ref document: 19930422
1993-04-27	ITF	It: translation for a ep patent filed
1993-07-09	ET	Fr: translation filed
1994-01-20	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1994-01-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1994-03-09	26N	No opposition filed
1996-10-09	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19961009 Year of fee payment: 10
1996-10-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19961014 Year of fee payment: 10
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1997-10-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19971031
1998-06-10	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19971023
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2005-10-23	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051023
2006-10-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20061019 Year of fee payment: 20