String snub effect simulation for an electronic musical instrume

Details String snub effect simulation for an electronic musical instrume String snub effect simulation for an electronic musical instrume

1982-04-15

1983-12-06

Witkowski, Stanley J.

Music

Instruments

84 113, G10H 1057

Patent

active

044186010

ABSTRACT:
The string snub effect functions so as to introduce a different set of parameters for the harmonic content, envelope amplitude, shape and rate of decay and pitch of the resulting sound upon key release when a percussive string-type voice is selected in an electronic musical instrument. The apparatus for causing a snubbing of the resulting tone comprises a means for selecting a percussive string-type waveform and for generating a signal indicative of such selection, a means for detecting the release of a depressed key and the presence of the signal indicative of the selection of a percussive string-type waveform and for generating a signal indicative of such detection, a means for halting further interpolation of the selected waveform and switching to a preselected harmonic structure of said selected waveform, means for shifting the pitch of the generated tone of said selected waveform, and means for variably controlling the envelope amplitude, shape and rate of decay of the selected waveform. Each of the last three recited means being actuable in response to the signal indicative of the detection of the release of the depressed key and the signal indicative of the selection of a percussive string-type waveform for the duration of the transient period causing a snubbing of the produced tone.

REFERENCES:
patent: 4352312 (1982-10-01), Whitefield et al.

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