Data recording and reproduction apparatus displaying channels
First Claim
1. A data recording and reproduction apparatus having control means for temporarily storing program data including at least one of video data and audio data and simultaneously reproducing the program data in a time-shifted manner, wherein said control means includes means for generating channel information data including information of a changed channel that is changed in accordance with a channel change designation while said program data is being stored in a temporary storage region in the form of a ring buffer, means for storing said channel information data in said temporary storage region, between the program data before channel change corresponding to said channel before being changed and the program data after the channel change corresponding to said changed channel, information storage means for storing said changed-channel information included in said channel information data every time said channel information data is read from said temporary storage region when said program data is read from a time-shifted reproduction position, and means for performing, based on said changed-channel information, at least one of display of said channel corresponding to said program data by display means and external output of a display signal of said channel via an interface.
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Accused Products
Abstract
A data recording and reproduction apparatus includes a control unit that generates, and stores in a hard disk, channel information data including information of a changed channel in accordance with a channel change designation received via an operation device while program data is being stored in the hard disk, and an output terminal for connection with an external device. At the time of time shift playback of the program data, every time the channel information data is read from a temporary storage region, the control unit stores the changed-channel information included in the channel information data in a memory, and generates a channel display signal based on the changed-channel information and externally outputs the signal via the output terminal.
10 Citations
12 Claims
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1. A data recording and reproduction apparatus having control means for temporarily storing program data including at least one of video data and audio data and simultaneously reproducing the program data in a time-shifted manner, wherein
said control means includes means for generating channel information data including information of a changed channel that is changed in accordance with a channel change designation while said program data is being stored in a temporary storage region in the form of a ring buffer, means for storing said channel information data in said temporary storage region, between the program data before channel change corresponding to said channel before being changed and the program data after the channel change corresponding to said changed channel, information storage means for storing said changed-channel information included in said channel information data every time said channel information data is read from said temporary storage region when said program data is read from a time-shifted reproduction position, and means for performing, based on said changed-channel information, at least one of display of said channel corresponding to said program data by display means and external output of a display signal of said channel via an interface.
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2. A data recording and reproduction apparatus performing at least one of recording and reproduction of data, comprising:
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input means for receiving an external input designation;
receive means for receiving program data including at least one of video data and audio data corresponding to a channel selected based on said input designation;
storage conversion means for converting a format of said program data to a format suitable for storage;
program storage means for storing converted said program data, said program storage means including a temporary storage region in the form of a ring buffer for temporarily storing said program data;
reproduction conversion means for converting the format of said program data stored in said temporary storage region to a format suitable for reproduction; and
control means for controlling an operation of said data recording and reproduction apparatus, said control means including read means for sequentially reading said program data in said temporary storage region from a read position based on a designation received via said input means while said program data is being stored in said temporary storage region, means for generating channel information data including information of a changed channel that is changed in accordance with a channel change designation received via said input means while said program data is being stored in said temporary storage region, and means for storing said channel information data in said temporary storage region, between the program data before channel change corresponding to said channel before being changed and the program data after the channel change corresponding to said changed channel. - View Dependent Claims (3, 4, 5, 6)
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7. A data recording and reproduction apparatus having a control unit for temporarily storing program data including at least one of video data and audio data and simultaneously reproducing the program data in a time-shifted manner, wherein
said control unit includes a circuit for generating channel information data including information of a changed channel that is changed in accordance with a channel change designation while said program data is being stored in a temporary storage region in the form of a ring buffer, a circuit for storing said channel information data in said temporary storage region, between the program data before channel change corresponding to said channel before being changed and the program data after the channel change corresponding to said changed channel, an information storage circuit for storing said changed-channel information included in said channel information data every time said channel information data is read from said temporary storage region when said program data is read from a time-shifted reproduction position, and a circuit for performing, based on said changed-channel information, at least one of display of said channel corresponding to said program data by a display unit and external output of a display signal of said channel via an interface.
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8. A data recording and reproduction apparatus performing at least one of recording and reproduction of data, comprising:
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an input unit for receiving an external input designation;
a receive unit for receiving program data including at least one of video data and audio data corresponding to a channel selected based on said input designation;
a storage conversion unit for converting a format of said program data to a format suitable for storage;
a program storage unit for storing converted said program data, said program storage unit including a temporary storage region in the form of a ring buffer for temporarily storing said program data;
a reproduction conversion unit for converting the format of said program data stored in said temporary storage region to a format suitable for reproduction; and
a control unit for controlling an operation of said data recording and reproduction apparatus, said control unit including a read circuit for sequentially reading said program data in said temporary storage region from a read position based on a designation received via said input unit while said program data is being stored in said temporary storage region, a circuit for generating channel information data including information of a changed channel that is changed in accordance with a channel change designation received via said input unit while said program data is being stored in said temporary storage region, and a circuit for storing said channel information data in said temporary storage region, between the program data before channel change corresponding to said channel before being changed and the program data after the channel change corresponding to said changed channel. - View Dependent Claims (9, 10, 11, 12)
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Specification