System for encoding of bass and treble expression effects while

Details System for encoding of bass and treble expression effects while System for encoding of bass and treble expression effects while

1977-08-26

1979-12-04

Witkowski, S. J.

Music

Instruments

Automatic

84 11, 84 127, 84462, 84DIG29, G10F 500, G10G 304

Patent

active

041765788

ABSTRACT:
There is disclosed a system for encoding of bass and treble expression effects while recording from the keyboard of an electronic player piano wherein the intensity of the music being recorded is reflected in variations in the power of the acoustic waveform produced thereby. The key note or key switch actuations are multiplexed in a serial bit stream of data and stored in a shift register and then separately combined with the bass and treble expression data bits in a format which, upon re-creation of the original musical presentation, results in a more faithful rendition of the original performance.

REFERENCES:
patent: 3683096 (1972-08-01), Peterson et al.
patent: 3895554 (1975-07-01), Maillet
patent: 4023456 (1977-05-01), Groeschel
patent: 4104950 (1978-08-01), Finley
patent: 4132141 (1979-01-01), Campbell et al.
patent: 4132142 (1979-01-01), Campbell
patent: 4135428 (1979-01-01), Campbell

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