Electronic musical instrument with a filter device having a rela

Details Electronic musical instrument with a filter device having a rela Electronic musical instrument with a filter device having a rela

1992-02-26

1993-07-20

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84663, 84DIG9, G10H 1057, G10H 112

Patent

active

052295354

ABSTRACT:
A musical tone generating apparatus generates musical tones based on a signal outputted from a sound source and an envelope generator. The signal outputted from the sound source is processed by a digital filter in accordance with filter information responsive to a key-on signal. Filter information generating circuit generates delay time information corresponding to the time period which the digital filter needs to process and output an inputted data. The envelope is imparted to the signal outputted from the sound source with a delay from a key-on timing which corresponds to the delay time information to realize precise envelope rise portions.

REFERENCES:
patent: 4815354 (1989-03-01), Kunimoto

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