Musical tone control apparatus with envelope processing

Details Musical tone control apparatus with envelope processing Musical tone control apparatus with envelope processing

1996-09-20

1999-08-31

Donels, Jeffrey W.

Music

Instruments

Electrical musical tone generation

84661, 84663, G10H 102, G10H 700

Patent

active

059456213

ABSTRACT:
In a musical tone control apparatus, musical tones to be generated are controlled according to musical tone control parameters which include an envelope that has been extracted and processed. The range of variation of the extracted envelope may be limited within a predetermined range, so that the musical tones are controlled according to the thus limited envelope. A key-on event of the input signal may be detected, and the timing of delivery of the processed envelope may be changed according to a length of time that elapses from a point of time when the key-on event is detected. The velocity of the input signal may also be detected, so that the musical tones are controlled according to the musical tone control parameters including one or more parameters altered according to the detected velocity and processed envelope.

REFERENCES:
patent: 4958552 (1990-09-01), Minamitaka et al.
patent: 5048391 (1991-09-01), Uchiyama et al.
patent: 5147970 (1992-09-01), Obata
patent: 5202528 (1993-04-01), Iwaooji
patent: 5308916 (1994-05-01), Murata et al.
patent: 5710387 (1998-01-01), Szalay

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