Electronic musical instrument with synchronized control on gener

Details Electronic musical instrument with synchronized control on gener Electronic musical instrument with synchronized control on gener

1995-06-15

1997-11-25

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84645, G10H 122, G10H 700

Patent

active

056914954

ABSTRACT:
An electronic musical instrument comprises a sequencer which acts as an automatic performance apparatus, so the sequencer provides automatic performance data in a MIDI-standard form. Upon receipt of MIDI data from the sequencer, the electronic musical instrument generates musical tones automatically. In a normal tone-generation mode, the musical tones are sequentially and automatically generated at appropriate timings. A sync-tone-generation mode is further provided to perform sync tone-generation. The sync-tone-generation mode is activated by indicator data (or delimiter code) which are transmitted together with specific MIDI data corresponding to musical tones which should be subjected to sync tone-generation. Each MIDI data normally consists of one status byte and two data bytes, while a running status function is employed in the sync-tone-generation mode so that the specific MIDI data are transmitted with omitting a status byte (or status bytes). In the sync-tone-generation mode, sync generation of the musical tones is set in a standby state until preparation thereof is completed. The standby state is sustained until preparation for sync tone-generation is completed with respect to substantially all of the musical tones regarding the sync tone-generation. Thus, optimum sync tone-generation for the musical tones is secured.

REFERENCES:
patent: 4543869 (1985-10-01), Kawashima et al.
patent: 4922796 (1990-05-01), Kondo et al.
patent: 5206446 (1993-04-01), Matsumoto et al.
patent: 5278349 (1994-01-01), Mutoh et al.
patent: 5410099 (1995-04-01), Kosugi
patent: 5446237 (1995-08-01), Abe et al.
patent: 5539145 (1996-07-01), Kuribayashi

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