Music – Instruments – Electrical musical tone generation
Patent
1996-06-05
1997-09-16
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
G10H 704
Patent
active
056683367
ABSTRACT:
A music system has a main system and a subsystem. The subsystem has a RAM which is capable of having waveform data read therefrom and written thereinto in a parallel manner. Waveform data are sequentially read from the RAM in an order in which the waveform data have been written into the RAM. Musical tones are synthesized based on the read waveform data. The main system has an external memory device storing waveform data, and determines packets into which waveform data to be transferred from the external memory device to the RAM for generation of musical tones is to be divided, based on a writing time period required for a unit data to be written into the first memory means and a reading time period required for the unit data to be read from the RAM. Waveform data are sequentially read from the external memory device in the determined packets. The read waveform data are sequentially written into the RAM at areas thereof from which previously stored waveform data have been read.
REFERENCES:
patent: 5321198 (1994-06-01), Suzuki et al.
Witkowski Stanley J.
Yamaha Corporation
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