Performance information output device and an automatic performin

Details Performance information output device and an automatic performin Performance information output device and an automatic performin

1995-09-28

1997-07-01

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84645, 84649, G10H 100, G10H 700

Patent

active

056440979

ABSTRACT:
An automatic performing system provided with a performance information output device that permits external sound sources or other to play a realistic performance by preventing delays in the performance. When the presently read performance data is control data and the MIDI output mode is set to an all data output mode or unrestricted output mode, if the presently read is control data coincides with the previously read control data, the present data is prevented from being transmitted to the external sound sources. If these control data do not coincide with each other, the present control data is converted to a MIDI signal and is transmitted. Although the present control data that coincide with the previous control data is not transmitted, the previous control data remains in the external sound sources. Therefore, the tone is the same as the tone that would be obtained if the present control data were transmitted. When the presently read data is control data and the MIDI output mode is set to output prohibition mode or restricted output mode, no control data is processed into MIDI output. In the restricted output mode, the quantity of MIDI signal to be serially transferred to the outside is restricted, thereby reducing the time period of transfer. Furthermore, delay in the performance of external sound sources can be eliminated.

REFERENCES:
patent: 5414209 (1995-05-01), Morita

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