Karaoke circuit for optical disk player

Details Karaoke circuit for optical disk player Karaoke circuit for optical disk player

1993-02-05

1995-06-27

Pascal, Robert J.

Music

Instruments

Electrical musical tone generation

84634, 84625, 369 4, G11B 700, G11B 2000

Patent

active

054281849

ABSTRACT:
A karaoke circuit for an optical player including a mixing circuit for mixing signals reproduced from the optical disk to supply them to a speaker, a selector for selecting a digital channel signal recorded on the optical disk, an analog channel signal recorded on the optical disk or a vocal signal of either the analog left channel or the analog right channel according to a user's selection and supplying the selected signal to the mixing circuit, and a path controller for controlling the path of the selector according to a user's mode selection and according to a disk type, thereby simplifying the circuitry and mixing stereo accompaniment and a vocal signal during playback of a hi-fi multivoice disk to improve the sound quality of karaoke.

REFERENCES:
patent: 4953212 (1990-08-01), Otsubo
patent: 5172354 (1992-12-01), Otsubo
patent: 5177728 (1993-01-01), Otsubo et al.

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