Dynamic information storage or retrieval – Systems or subsystems combined with diverse art device – For control of diverse art device
Patent
1988-10-05
1991-02-19
Psitos, Aristotelis M.
Dynamic information storage or retrieval
Systems or subsystems combined with diverse art device
For control of diverse art device
369 59, 3692753, 84464R, G11B 3100, G11B 7013, A63J 1700
Patent
active
049950266
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to optical discs such as a compact disc, a laser disc or the like suitable for use with A KARAOKE EQUIPMENT and particularly to an optical disc in which lighting information is recorded in a user's which forms a part of a sub-code arranged in the format together with a synchronizing signal and a digital audio signal.
BACKGROUND ART
A so-called KARAOKE equipment is known, by which a singer is able to sing a song at a mike to the accompaniment of a music signal recorded on a compact disc or a laser disc. In this case, in order to improve stage effect, a lighting technician, while listening to a piece of music now played, usually makes control over brightness, hue or the like of a lighting apparatus in accordance with the level of a music signal or the frequency of the music signal.
However, according to the above-mentioned conventional method for controlling the lighting on the basis of the level of the music signal, the frequency thereof or the like, only the lighting control is simple, so that satisfactory stage effect could not be achieved. Further, a method in which a lighting staff really manipulates a lighting apparatus requires many hands, and also, it is difficult to reproduce the lighting.
DISCLOSURE OF INVENTION
The present invention is, in view of the above-mentioned aspect, to provide an optical disc which can improve stage effect associated with the lighting upon reproduction of a piece of music without hands.
According to one embodiment of the present invention, in an optical disc in which a music source is recorded, there is provided an optical disc in which a lighting information is recorded in its user's bit.
Further, according to the present invention, a lighting information is recorded in a user's form of an optical disc in which a music source is recorded so that a stage light control signal previously programmed is recorded in the user's form of the same medium as that of the music source. Thus, by controlling the lighting on the basis of the reproduced output, a sophisticated lighting control can be reproduced with ease and a stage effect associated with a lighting when listening to a piece of music can be increased.
BRIEF DESCRIPTION OF DRAWINGS
FIGS. 1, 2, 3 and 4 are respectively illustrations used to explain an embodiment of an optical disc of the present invention,
FIG. 5 is a block diagram showing an example of how to edit the data shown in FIG. 1,
FIG. 6 is a block diagram showing an example of how to cut the data shown in FIG. 1 and
FIG. 7 is a block diagram showing an example of an apparatus for reproducing an optical disc of the present invention.
BEST MODE FOR CARRYING OUT THE INVENTION
An example of an optical disc of the present invention, or the application thereof to a compact disc will hereinafter be described with reference to FIGS. 1 to 7.
A sub-code and a music source are recorded in the compact disc to which the embodiment of the present invention is applied. Data format of the present compact disc will be described first with reference to FIGS. 2 and 3.
FIG. 2 shows one frame of data recorded in the compact disc, in which one frame assumes 588 bits of recording data. A frame synchronizing pulse FS of a particular data pattern at every frame is followed by a dc component suppression data RB of 3 bits. Further, there are provided 0 to 32nd data DB of 14 each and the dc component suppression data RB of 3 alternately. Of the data DB, the 0th data is what might be called a sub-code signal which is used to control the reproduction of the disc and to indicate a related information or the like. 1st to 12th and 17th to 28th data DB are assigned to audio data of main channel, wherein one word is formed of 16 bits and one frame contains informations of 12 words (6 samples x 2). The remaining 13th to 17th and 29th to 32nd data DB are assigned to parity data of error-correction codes in the main channel. The data DB each result from converting more significant 8 bits or less significant 8 bits of 16 bits in one word into 14 bits through
REFERENCES:
patent: 4587643 (1986-05-01), Monen et al.
patent: 4613965 (1986-09-01), Hori et al.
patent: 4641295 (1987-02-01), Furukawa et al.
patent: 4697176 (1987-09-01), Kawakami
patent: 4707818 (1987-11-01), Suzuki et al.
patent: 4753148 (1988-06-01), Johnson
Kumai Yuji
Makabe Dai
Garland Steven R.
Psitos Aristotelis M.
Sony Corporation
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