Recording medium, recording and/or reproducing apparatus and recording and/or reproducing method
First Claim
1. A recording medium comprising:
- a recording area in which either only audio data or an intermixture of audio data and video data are recorded;
a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the video data when only the audio data are to be recorded in or reproduced from said recording area; and
a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixture of the audio data and the video data for said recording area when both of the audio data and the video data are to be recorded in or reproduced from said recording area.
1 Assignment
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Accused Products
Abstract
A recording medium, as well as the apparatus and method for recording and reproducing it, which includes a recording area in which either only audio data or an intermixture of video data and corresponding audio data are recorded, a first management data area stored with first management data for permitting a recording or reproducing operation of only the audio data and inhibiting a reproducing or recording operation of the video data when only the audio data are being recorded in or reproduced from the recording area, and a second management data area stored with second management data for controlling a recording or reproducing operation of the intermixture of the audio data and the video data when the intermixture of the audio data and the video data are being recorded in or reproduced from the recording area.
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Citations
32 Claims
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1. A recording medium comprising:
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a recording area in which either only audio data or an intermixture of audio data and video data are recorded;
a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the video data when only the audio data are to be recorded in or reproduced from said recording area; and
a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixture of the audio data and the video data for said recording area when both of the audio data and the video data are to be recorded in or reproduced from said recording area. - View Dependent Claims (2, 3, 4)
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5. A disc-shaped recording medium comprising:
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a recording area in which either only compressed audio data or an intermixture of compressed audio data and compressed video data are recorded;
a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the intermixture of the audio data and the video data so that the audio data output and expanded when only the audio data are to be recorded in or reproduced from said recording area are continuously output; and
a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixed audio data and the video data and so that the intermixed audio data and the video data are continuously output and expanded. - View Dependent Claims (6, 7)
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8. A recording and/or reproducing apparatus of a recording medium, said recording medium having a recording area in which either only audio data or an intermixture of audio data and video data are recorded, a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the video data when only the audio data are to be recorded in or reproduced from said recording area, and a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixture of the audio data and the video data for said recording area when both of the audio data and the video data are to be recorded in or reproduced from said recording area, said apparatus comprising:
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a first compandor for compressing input audio data and expanding audio data read out from the recording medium;
a second compandor for compressing input video data and expanding video data read out from the recording medium;
storing means for temporarily storing the audio data and the video data output from said first and second compandors and temporarily storing the audio data and the video data read out from the recording medium;
data transforming means for transforming each of the audio data and the video data read out from said storing means to recording data;
head means for recording the recording data supplied from said transforming means on the recording medium and reading out data recorded on the recording medium; and
control means for controlling the recording or reproducing operation of said head means on or from the recording medium on the basis of the first management data and the second management data read out by said head means. - View Dependent Claims (9, 10, 11, 12, 13, 14, 17, 19, 20)
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15. A recording and/or reproducing apparatus of a recording medium, said recording medium having a recording area in which either only audio data or an intermixture of audio data and video data are recorded, a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the video data when only the audio data are to be recorded in or reproduced from said recording area, and a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixture of the audio data and the video data for said recording area when both of the audio data and the video data are to be recorded in or reproduced from said recording area, the second management data including reproduction-inhibition data, said apparatus comprising:
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a first compandor for compressing input audio data and expanding audio data read out from the recording medium;
a second compandor for compressing input video data and expanding video data read out from the recording medium;
storing means for temporarily storing the audio data and the video data output from said first and second compandors and temporarily storing the audio data and the video data read out from the recording medium;
data transforming means for transforming each of the audio data and the video data read out from said storing means to recording data;
head means for recording the recording data supplied from said transforming means on the recording medium and reading out data recorded on the recording medium; and
control means which is supplied with the first and second management data read out by said head means for controlling the recording or reproducing operation for the recording medium by said head means on the basis of the first and second management data, to reproduce, on the basis of the first management data, only a portion of the recording area of the recording medium in which the audio data are recorded and to partially read out the recording area of the recording medium on the basis of the second management data and the reproduction-inhibition data of the second management data. - View Dependent Claims (16)
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18. A reproducing apparatus of a disc-shaped recording medium, said disc-shaped recording medium having a recording area in which either only audio data or an intermixture of audio data and video data are recorded, a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the video data when only the audio data are to be recorded in or reproduced from said recording area, and a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixture of the audio data and the video data for said recording area when both of the audio data and the video data are to be recorded in or reproduced from said recording area, said apparatus comprising:
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a head for reading data which are recorded on a disc-shaped recording medium with being compressed;
a decoder for decoding data read out by said head;
a memory for temporarily storing audio data and video data which are output from said decoder;
a first expander for expanding audio data output from said memory;
a second expander for expanding video data output from said memory; and
a controller for controlling a reproducing operation of said recording medium by said head on the basis of the first and second management data read out by said head. - View Dependent Claims (21, 22, 23)
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24. A reproducing method of a disc-shaped recording medium, said disc-shaped recording medium having a recording area in which either only audio data or an intermixture of audio data and video data are recorded, a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the video data when only the audio data are to be recorded in or reproduced from said recording area, and a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixture of the audio data and the video data for said recording area when both of the audio data and the video data are to be recorded in or reproduced from said recording area, said reproducing method comprising the steps of:
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reading out the first management data from the disc-shaped recording medium;
judging on the basis of the read out first management data whether the second management data exists; and
continuously reading out on the basis of the second management data a portion of the recording area in which video data are recorded and a portion in which audio data are recorded if the second management data is judged to exist. - View Dependent Claims (25, 26, 27)
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28. A recording method of a disc-shaped recording medium, said disc-shaped recording medium having a recording area in which either only audio data or an intermixture of audio data and video data are recorded, a first management data area stored with first management data for permitting a recording or reproducing operation of the audio data for said recording area and inhibiting a reproducing or recording operation of the video data when only the audio data are to be recorded in or reproduced from said recording area, and a second management data area stored with second management data for permitting a recording or reproducing operation of the intermixture of the audio data and the video data for said recording area when both of the audio data and the video data are to be recorded in or reproduced from said recording area, said recording method comprising the steps of:
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manually inputting inhibit data;
incorporating data, which serve to inhibit the reproduction of a specific portion in the recording area of the disc-shaped recording medium, into the second management data;
storing the second management data in a memory together with the first management data;
recording the first and second management data read out from the memory into the first and second management data areas, respectively; and
performing a rewrite operation of defect management data of the second management data stored in the memory on the basis of the inhibit data.
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29. A recording medium comprising:
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a recording area on which at least a video program and at least an audio program corresponding to the video program are recorded;
a first management data area recorded with first management data for permitting a reproducing or recording operation of the audio program and inhibiting a reproducing or recording operation of the video program; and
a second management data area recorded with second management data for permitting a reproducing or recording operation of the video program and the audio program corresponding to the video program. - View Dependent Claims (30, 31)
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32. A reproducing method of disc-shaped recording medium, the disc-shaped recording medium having a recording area in which at least a video program and at least an audio program corresponding to the video program are recorded, a first management data area recorded with first management data for permitting a reproducing or recording operation of the audio program and inhibiting a reproducing or recording operation of the video program, and a second management data area recorded with second management data for permitting a reproducing or recording operation of the video program and the audio program corresponding to the video program, the reproducing method comprising the steps of:
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reading out the first management data from the disc-shaped recording medium;
judging on the basis of the read out first management data whether the second management data exists or not; and
continuously reading out from a portion of the recording area in which a video program is recorded and a portion of the recording area in which an audio program is recorded in accordance with the second management data, if the second management data is judged to exist.
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Specification