Music playing data fetch circuit

Details Music playing data fetch circuit Music playing data fetch circuit

1997-10-17

1999-05-04

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

G10H 700

Patent

active

059005696

ABSTRACT:
A music playing data fetch circuit for a personal computer which is capable of improving a music playing operation using a CPU of a personal computer by using a 64-bit FIFO memory without using an interrupt signal. The circuit includes a sound interface controller for receiving a serial playing data from a music playing program from a central processing unit (CPU) of a personal computer (PC), a midi (musical instrument device interface) interface controller for fetching a serial playing data from the sound interface controller and generating tone, waveform, etc. by enabling an interrupt request signal, and a buffer for buffering a data from the sound interface controller when the personal computer requests the data transmitted to the midi interface controller.

REFERENCES:
patent: 4777857 (1988-10-01), Stewart
patent: 5121491 (1992-06-01), Sloan et al.
patent: 5262580 (1993-11-01), Tanaka et al.
patent: 5392224 (1995-02-01), Badia et al.
patent: 5412666 (1995-05-01), Squires et al.
patent: 5581530 (1996-12-01), Iizuka et al.
patent: 5797043 (1998-08-01), Lewis et al.

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