Electronic musical instruments capable of varying tone pitch dur

Details Electronic musical instruments capable of varying tone pitch dur Electronic musical instruments capable of varying tone pitch dur

1980-11-10

1982-09-07

Truhe, J. V.

Music

Instruments

84 124, G10F 100

Patent

active

043477720

ABSTRACT:
For the purpose of sequentially varying a tone pitch of a generated musical tone, a variation information generator is provided which is operable by a performer to generate a variation information designating an arvitrary variation rate of the tone pitch. An operation circuit is provided for producing a modified frequency information in response to the variation information and a frequency information representing a tone pitch regarding a depressed key. The modified frequency information is supplied to a musical tone signal generator and the output thereof is applied to a sound system for generating the musical tone, thereby obtaining a musical effect similar to glissando or portamento and having an arbitrary variation rate.

REFERENCES:
patent: 3929053 (1975-12-01), Deutsch
patent: 4103581 (1978-08-01), Deutsch
patent: 4179971 (1979-12-01), Takahashi et al.
patent: 4185530 (1980-01-01), Robinson et al.
patent: 4198892 (1980-04-01), Gross
patent: 4237764 (1980-12-01), Suzuki

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