Tone generation device capable of generating a special tone

Details Tone generation device capable of generating a special tone Tone generation device capable of generating a special tone

1990-05-17

1992-05-26

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84659, 84663, 84665, G10H 1057, G10H 108, G10H 118, G10H 146

Patent

active

051161923

ABSTRACT:
There are provided a tone signal generation circuit capable of selectively generating either a normal tone signal corresponding to a selected tone color or a special tone signal corresponding to the same selected tone color but having a characteristic which is different from that of the normal tone signal, and a tone selection circuit selecting whether the normal tone signal is to be generated or the special tone signal is to be generated in this tone signal generation circuit. A tone signal having a characteristic of a tone generated by a misplay, for example, is used as the special tone signal. In case a tone is generated by depression of a key, the normal tone signal is selectively generated in most cases but the special tone signal may be selectively generated from time to time. By doing so, a tone of a misplay is occasionally generated thereby giving the impression of naturalness as if a natural musical instrument were being played. In case the generation of the special tone signal has been selected, the special tone signal may be temporarily generated and then tone generation may be switched to generation of the normal tone signal. In performing such switching, a crossfade control of the evelope level may be applied.

REFERENCES:
patent: 4148239 (1979-04-01), Oya et al.
patent: 4399731 (1983-08-01), Aoki
patent: 4947724 (1990-08-01), Hirano et al.

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