Tone data recording and reproducing device

Details Tone data recording and reproducing device Tone data recording and reproducing device

1993-03-10

1996-06-11

Miska, Vit W.

Music

Instruments

Electrical musical tone generation

84604, 84609, 84645, G10H 700, A63H 500

Patent

active

055257488

ABSTRACT:
A record and reproduction controlling device is connected to a hard disk memory via a bus. This controlling device receives from a computer information necessary for read/write operation, on the basis of which the controlling device performs its own process to write to or read from the hard disk. The record and reproduction controlling device temporarily stores tone data read out from the hard disk memory into a first buffer memory and then transfers the tone data from the first buffer memory to a second buffer memory. The tone data thus stored in the second memory is then read out at a predetermined readout rate to reproduce a musical sound. It is possible to select either a first reproduction mode for reproducing a data file having tone data of plural channels recorded in an interleaved state, or a second reproduction mode for permitting a simultaneous reproduction of plural data files each having not-interleaved tone data recorded therein. The controlling device controls the tone data transfer from the first buffer memory to the second buffer memory depending on which of the reproduction modes is employed.

REFERENCES:
patent: 5127303 (1992-07-01), Tsumura et al.
patent: 5138925 (1992-08-01), Koguchi et al.
patent: 5248842 (1993-09-01), Saito
patent: 5382749 (1995-01-01), Fujita et al.
"Delayed Playback Music Synthesis Using Small Computers", Hal Chamberlin, 1981 IEEE, pp. 27-32.

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