Musical tone waveform generation apparatus

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EP 0 463 411 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	22.09.1993 Bulletin 1993/38

(43)	Date of publication A2:
	02.01.1992 Bulletin 1992/01

(21)	Application number: 91109140.3

(22)	Date of filing: 04.06.1991

(51)	International Patent Classification (IPC)⁵: G10H 7/00, G10H 1/18

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

28.06.1990 JP 171215/90
29.06.1990 JP 172200/90

(71)	Applicant: CASIO COMPUTER COMPANY LIMITED
	Shinjuku-ku Tokyo 160 (JP)

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Inventors:

Usami, Ryuji, c/o Patent Department
Hamura-machi, Nishitama-gun, Tokyo190-11 (JP)
Shiba, Kosuke, c/o Patent Department
Hamura-machi, Nishitama-gun, Tokyo190-11 (JP)
Daigo, Koichiro, c/o Patent Department
Hamura-machi, Nishitama-gun, Tokyo190-11 (JP)
Ogura, Kazuo, c/o Patent Department
Hamura-machi, Nishitama-gun, Tokyo190-11 (JP)
Hosoda, Jun, c/o Patent Department
Hamura-machi, Nishitama-gun, Tokyo190-11 (JP)

(74)	Representative: KUHNEN, WACKER & PARTNER
	Alois-Steinecker-Strasse 22 85354 Freising 85354 Freising (DE)

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References cited: :

(54)	Musical tone waveform generation apparatus

(57) IN a musical tone waveform generation apparatus for outputting musical tone signals generated by a software program at predetermined time intervals, sound source method can be selected in units of tone generation channels. In the musical tone waveform generation apparatus, the sound source method or the tone color of a musical tone signal to be output is determined in accordance with performance data (pitch data, touch data, music part data, and the like).

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