Musical performance unit

Details Musical performance unit Musical performance unit

1983-11-21

1985-10-15

Witkowski, S. J.

Music

Instruments

84477R, 84DIG29, G10H 308, G10H 309

Patent

active

045466874

ABSTRACT:
A musical performance or accompaniment unit which is so arranged that, with employment of a so-called sound multiplex system recording medium in which a vocal signal of a singer or the like is recorded on its first track and a musical signal of a musical instrument for accompaniment is recorded on its second track, when a user sings, with the recording medium being subjected to reproduction, singing abilities of the user such as rhythmical feelings, degrees of bass or soprano, etc. are automatically marked for display through comparison and calculation of the above reproduced vocal signal and signal of the song sung by the user.

REFERENCES:
patent: 3539701 (1970-11-01), Milde
patent: 3634596 (1972-01-01), Rupert
patent: 3919913 (1975-11-01), Shrader
patent: 4182214 (1980-01-01), Wakeman
25, Journal of the Patent Office Society, 904, Ex parte S, (Board of Appeals), Aug. 4, 1943, (Case No. 109).

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