Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1977-09-19

1982-09-14

Truhe, J. V.

Music

Instruments

84 126, G10H 100

Patent

active

043489281

ABSTRACT:
An electronic musical instrument of digital processing in which required musical waveshape data are calculated by a tone control device to obtain a complex musical waveshape and the complex musical waveshape is read out at a read frequency produced by a key closure to generate the selected musical note. The electronic musical instrument has a calculator for calculating a musical waveshape in association with the operation of the tone control device in a period of time independent of the period of the generated musical note, a read-out signal generator for producing a memory read-out signal based on the closure of the key switch, a period detector for detecting by one period of each channel resulting from the closure of the key switch, first and second memories for storing the musical waveshape from the calculator, the stored musical waveshape being read out by the read-out signal, and means for achieving such a control that while the first memory is read out, the musical waveshape is stored in the second memory, that the read output signal from the first memory is sequentially written in the second memory by the output signal from the period detector in synchronism with the period of the generated musical note and that after completion of reading out of a new first memory, the musical waveshape from the calculator is stored in the first memory.

REFERENCES:
patent: 3882751 (1975-05-01), Tomisawa et al.
patent: 3982460 (1976-09-01), Obayashi et al.
patent: 3982461 (1976-09-01), Kugisawa
patent: 4022098 (1977-05-01), Deutsch et al.
patent: 4030395 (1977-06-01), Kugisawa
patent: 4085644 (1978-04-01), Deutsch et al.
patent: 4128032 (1978-12-01), Wada et al.
patent: 4148017 (1979-04-01), Tomisawa

Affiliated with

Also associated with

Rating

Electronic musical instrument does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electronic musical instrument, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic musical instrument will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2150560