METHOD AND APPARATUS OF RECORDING/REPRODUCING MULTI-CHANNEL STREAM
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Abstract
The present invention relates to multi-channel stream recording/reproducing method and apparatus. The present multi-channel stream reproducing method checks whether or not reproduced multi-channel stream belongs to same broadcast (RF) channel, and deletes PSI (Program Specific Information) packets included in channel stream excluding one channel stream if it belongs to same RF channel, and makes new PSI packets with reference to PSI packets included in reproduced multi-channel stream to replace them, if not. Furthermore, the present method compensates appropriately PCRs (Program Clock References) included in channel stream excluding one channel stream in case of the latter. The present method enables a digital TV set to present multi-channel stream simultaneously in PIP (Picture-In-Picture) or multi-screen mode with no error in channel selection and presentation (or decoding) time.
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Citations
53 Claims
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1-24. -24. (canceled)
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25. A method of reproducing video data recorded in a recording medium, comprising:
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reading navigation information from the recording medium, the navigation information comprising information indicating a presence of a video stream for displaying a PIP (Picture-In-Picture); and reproducing a first video stream and the video stream for displaying a PIP simultaneously based on the navigation information. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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32. A method of recording video data on a recording medium, comprising:
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recording a first video stream and a second video stream on the recording medium, the second video stream for displaying a PIP (Picture-In-Picture); and recording navigation information on the recording medium, the navigation information comprising information indicating the presence of the second video stream. - View Dependent Claims (33, 34, 35, 36, 37)
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38. A recording medium, the recording medium comprising:
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a first video stream and a second video stream, the second video stream for displaying a PIP (Picture-In-Picture); and navigation information comprising information indicating the presence of the second video stream. - View Dependent Claims (39, 40, 41, 42)
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43. An apparatus for reproducing video data recorded in a recording medium, the apparatus comprising:
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a reproducing unit for reproducing data from the recording medium; and a controller for controlling the reproducing unit to read navigation information from the recording medium, and controlling the reproducing unit to reproduce a first video stream and a video stream for displaying a PIP (Picture-In-Picture) simultaneously based on the navigation information, wherein the navigation information comprises information indicating a presence of the video stream for displaying the PIP. - View Dependent Claims (44, 45, 46, 47, 48)
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49. An apparatus for recording video data on a recording medium, the apparatus comprising:
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a recording unit for recording data on the recording medium; a controller for controlling the recording unit to record a first video stream and a second video stream for displaying a PIP (Picture-In-Picture) on the recording medium and controlling the recording unit to record navigation information on the recording medium, the navigation information comprising information indicating the presence of the second video stream. - View Dependent Claims (52, 53)
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51. The apparatus of claim 50, wherein the controller further controls the recording unit to record navigation data associated with the single stream object in the recording medium.
Specification