Digital sampling instrument employing cache-memory

Details Digital sampling instrument employing cache-memory Digital sampling instrument employing cache-memory

1992-05-11

1994-08-30

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84607, 84608, 364723, 36472801, G10H 710, G10H 712

Patent

active

053429907

ABSTRACT:
A digital sampling instrument for multi-channel interpolatative playback of digital audio data stored in a waveform memory provides improved interpolation of musical sounds by use of a cache memory. The present invention includes a plurality of interpolator circuits utilizing a single waveform memory where each of the interpolator circuits produces a unique bus request signal which is responsive to a unique bus acknowledge signal to determine which of the interpolator circuits has control of the waveform memory at any given waveform memory cycle.

REFERENCES:
patent: Re32862 (1989-02-01), Wachi
patent: 4231277 (1980-11-01), Wachi
patent: 4377960 (1983-03-01), Okumura
patent: 4432265 (1984-02-01), Oya et al.
patent: 4643067 (1987-02-01), Deutsh
patent: 4715257 (1987-12-01), Hoshiai et al.
patent: 5073942 (1991-12-01), Yoshida et al.

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