Music – Instruments – Electrical musical tone generation
Patent
1995-12-14
1999-03-16
Lane, Jack A.
Music
Instruments
Electrical musical tone generation
G10H 700, G10H 702
Patent
active
058833242
ABSTRACT:
A signal generating apparatus and a signal generating method, for storing specific sampling data D.sub.M, wherein 0<M<N-1, selected among sampling data D.sub.i obtained by sampling a wave in sampling points P.sub.i, wherein i=0, 1, 2, . . . N-1, and differential wave data .DELTA.WD.sub.n, wherein n=1, 2, 3, . . . , M-1, M+1, . . . N-2, N-1, obtained by ".DELTA.WD.sub.n =D.sub.n -D.sub.n-1 ", consecutively generating wave readout address A.sub.M for designating the specific sampling data D.sub.M and wave readout address A.sub.n for designating the differential wave data .DELTA.WD.sub.n, storing the specific sampling data D.sub.M designated by the wave readout address A.sub.M in temporary storage, when the generated wave readout address is A.sub.M, or accumulating the differential wave data .DELTA.WD.sub.n designated by the wave readout address A.sub.n in the temporary storage, thereby to generate sampling data YD.sub.n, when the generated wave readout address is A.sub.n, and generating a signal on the basis of the obtained specific sampling data D.sub.M or sampling data YD.sub.n.
REFERENCES:
patent: 4611522 (1986-09-01), Hideo
patent: 4901615 (1990-02-01), Matsushima et al.
patent: 4916996 (1990-04-01), Suzuki et al.
patent: 5639978 (1997-06-01), Saito
Kabushiki Kaisha Kawai Gakki Seisakusho
Lane Jack A.
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