Automated musical accompaniment with multiple input sensors

Music – Instruments – Electrical musical tone generation

Patent

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Details

84613, 84631, 84633, 84DIG4, G10H 102, G10H 138, G10H 140

Patent

active

055213243

ABSTRACT:
The present invention is directed to an apparatus and method for automating accompaniment to an ensemble's performance. The apparatus is comprised of a plurality of input devices with each input device producing an input signal containing information related to an ensemble's performance. A plurality of tracking devices is provided, with each tracking device being responsive to one of the input signals. Each tracking device produces a position signal indicative of a score position when a match is found between the input signal and the score and a tempo estimate. A first voting device is responsive to each of the position signals for weighting each of the position signals. The weighting may be based on the frequency with which it changes and the proximity of its score position to each of the other score positions represented by each of the other position signals. The same weighting factors are then applied to the tempo estimate associated with that position signal. After the position signals and tempo estimates have been weighted, the voter device calculates a final ensemble score position signal in response to the weighted position signals and a final ensemble tempo based on the weighted tempo estimates. A scheduler is responsive to the final score position and final ensemble tempo for outputting an accompaniment corresponding thereto.

REFERENCES:
patent: 4745836 (1988-05-01), Dannenberg
patent: 5393927 (1995-02-01), Aoki
Katayose, et al., Virtual Performer, ICMC Proceedings, pp. 138-145, 1993, Osaka, Japan.
Dannenberg, et al., Practical Aspects of a Midi Conducting Program, Proceedings of the 1991 International Computer Music Conference, pp. 537-540, Computer Music Association, San Francisco.
Inoue, et al., A Computer Music System For Human Singing, ICMC Proceedings 1993, pp. 150-153, Tokyo, Japan.
VIVANCE.TM., Personal Accompanist, Coda Music Technology, 1992, Eden Prairie, MN.

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