Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1997-03-18

1999-03-23

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84601, 84603, 84609, G10H 700

Patent

active

058862773

ABSTRACT:
An electronic musical instrument having a waveform memory of a relatively small capacity for storing waveform information similar to conventional waveform information, the waveform memory being compatible with any data reading scheme. The waveform information is stored in the form of a plurality of frames. Each frame includes a plurality of pieces of sampled waveform data compressed by ADPCM or the like and decode information for extending the sampled waveform data to be read next to the current frame. Storing the decode information in a frame for extending the sampled waveform data stored in frames before and after that frame makes it possible to extract the necessary decode information from the frame read immediately before regardless of whether the frames are read forward or backward.

REFERENCES:
patent: 5264657 (1993-11-01), Takauji

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