Music – Instruments
Patent
1983-05-27
1984-08-28
Isen, Forester W.
Music
Instruments
84DIG4, 84 119, G10H 102
Patent
active
044676913
ABSTRACT:
A keyboard operated electronic musical instrument is disclosed which has a number of tone generators which are assigned to actuated keyswitches. The tone generation is produced by sequentially and repetitively accessing a memory containing a set of data points which define a period of a preselected musical waveshape. Apparatus is described whereby a plurality of tone generators are implemented such that each has an ensemble tone effect created by adding together a number of composite tones. Each tone generator is implemented by selecting a corresponding set of data points read out of the memory. The selection logic is controlled by select gates and a comparator which is responsive to the frequency of an associated actuated keyboard switch.
REFERENCES:
patent: 4205580 (1980-06-01), Deutsch
patent: 4228717 (1980-10-01), Luce
Deutsch Ralph
Isen Forester W.
Kawai Musical Instrument Mfg. Co. Ltd.
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