Waveform-forming device having memory storing non-compressed/com

Details Waveform-forming device having memory storing non-compressed/com Waveform-forming device having memory storing non-compressed/com

1993-07-23

1995-05-16

Miska, Vit W.

Music

Instruments

Electrical musical tone generation

84605, 84607, G10H 1057, G10H 704

Patent

active

054162645

ABSTRACT:
A waveform-forming device has a waveform memory storing a plurality of blocks of waveform samples representative of a waveform of a musical tone. Each block is formed of at least one non-compressed waveform sample and a plurality of compressed waveform samples. A pitch of a musical tone to formed is taken in. The waveform samples are read out block by block from the waveform memory, based on the pitch taken in. The compressed waveform samples contained in each block are converted into non-compressed waveform samples. The waveform of the musical tone is formed from the at least one non-compressed waveform sample of each block and the non-compressed waveform samples obtained by the conversion.

REFERENCES:
patent: 4876935 (1989-10-01), Kitagawa
patent: 4916996 (1990-04-01), Suzuki et al.
patent: 5252773 (1993-10-01), Kozuki et al.
patent: 5290965 (1994-03-01), Yoshida et al.
patent: 5329062 (1994-07-01), Kaneko
patent: 5347087 (1994-09-01), Kozuki

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