Recording apparatus, recording method, and record medium
First Claim
1. A recording apparatus for recording video data to a recording medium, said recording apparatus comprising:
- encoding means for encoding the video data in accordance with a compression-encoding process;
converting means for converting a data structure of the encoded video data received from said encoding means into a file structure that allows a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; and
recording means for recording the data having said file structure to the recording medium;
wherein the file structure has a first data unit and a second data unit;
wherein a plurality of first data units and a plurality of second data units are matched with a successive record length,wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; and
reading means for reading data from a memory,wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium.
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Accused Products
Abstract
A recording apparatus for recording video data to a rewritable optical disc is disclosed, that comprises an encoding means for encoding video data corresponding to a compression-encoding process, a converting means for converting the data structure of the encoded video data received from the encoding means into a file structure that allows a moving picture to be synchronously reproduced by computer software without need to use specially dedicated hardware, and a recording means for recording data having the file structure to an optical disc, wherein the file structure has a first data unit and a second data unit, the second data unit being a set of the first data units, and wherein a plurality of the second data units is matched with a successive record length of which data is written to the optical disc.
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Citations
16 Claims
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1. A recording apparatus for recording video data to a recording medium, said recording apparatus comprising:
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encoding means for encoding the video data in accordance with a compression-encoding process; converting means for converting a data structure of the encoded video data received from said encoding means into a file structure that allows a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; and recording means for recording the data having said file structure to the recording medium; wherein the file structure has a first data unit and a second data unit; wherein a plurality of first data units and a plurality of second data units are matched with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; and reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium. - View Dependent Claims (7)
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2. A recording apparatus for recording audio data to a recording medium, said recording apparatus comprising:
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encoding means for encoding the audio data in accordance with a compression-encoding process; converting means for converting a data structure of audio data or encoded audio data into a file structure that allows a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; and recording means for recording the data having said file structure to the recording medium; wherein the file structure has a first data unit and a second data unit; wherein a plurality of first data units and a plurality of second data units are matched with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium. - View Dependent Claims (6, 16)
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3. A recording apparatus for recording video data and audio data to a recording medium, said recording apparatus comprising:
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video encoding means for encoding the video data in accordance with a compression-encoding process in a combination of an inter-frame predictive encoding process and a motion compensating process that allow a plurality of frames to be structured as a group; audio output means for outputting the audio data that has been either encoded or not encoded; multiplexing means for converting a data structure of the encoded video data received from said encoding means and a data structure of the audio data received from said audio output means into respective file structures that allow a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware and for multiplexing the encoded video data and the audio data; and recording means for recording the multiplexed data to the recording medium; wherein the file structure has a first data unit and a second data unit; wherein a plurality of first data units and a plurality of second data units are matched with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium. - View Dependent Claims (4, 5, 8, 15)
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9. A recording method for recording video data to a recording media, said method comprising the steps of:
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encoding the video data in accordance with a compression-encoding process; converting a data structure of the encoded video data received at the encoding step into a file structure that allows a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; recording the data having said file structure to the recording medium; wherein the file structure has a first data unit and a second data unit; and matching a plurality of first data units and a plurality of second data units with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium.
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10. A recording method for recording audio data to a recording medium, said method comprising the steps of:
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encoding the audio data in accordance with a compression-encoding process; converting a data structure of audio data or encoded audio data into a file structure that allows a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; recording the data having said file structure to the recording medium; wherein the file structure has a first data unit and a second data unit; and matching a plurality of first data units and a plurality of second data units with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium.
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11. A recording method for recording video data and audio data to a recording medium, said method comprising the steps of:
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encoding the video data in accordance with a compression-encoding process in a combination of an inter-frame predictive encoding process and a motion compensating process that allow a plurality of frames to be structured as a group; outputting audio data that has been compression-encoded or non-compressed either encoded or not encoded; converting a data structure of the encoded video data received at the encoding step and a data structure of the audio data received at the outputting step into respective file structures that allow a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; multiplexing the encoded video data and the audio data; recording the multiplexed data to the recording medium; wherein the file structure has a first data unit and a second data unit; and matching a plurality of first data units and a plurality of second data units with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium.
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12. A computer readable medium on which a program for recording video data to a recording medium has been recorded, the program causing a computer to perform the steps of:
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encoding the video data in accordance with a compression-encoding process; converting a data structure of the encoded video data received at the encoding step into a file structure that allows a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; recording the data having said file structure to the recording medium; wherein the file structure has a first data unit and a second data unit; and matching a plurality of first data units and a plurality of second data units with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium.
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13. A computer readable medium on which a program for recording audio data to a recording medium has been recorded, the program causing a computer to perform the steps of:
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encoding the audio data in accordance with a compression-encoding process; converting a data structure of audio data or encoded audio data into a file structure that allows a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; recording the data having said file structure to the recording medium; and wherein the file structure has a first data unit and a second data unit; matching a plurality of first data units and a plurality of second data units with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium.
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14. A computer readable medium on which a program for recording video data and audio data to a recording medium has been recorded, the program causing a computer to perform the steps of:
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encoding the video data in accordance with a compression-encoding process in a combination of an inter-frame predictive encoding process and a motion compensating process that allow a plurality of frames to be structured as a group; outputting audio data that has been either encoded or not encoded; converting a data structure of the encoded video data received at the encoding step and a data structure of the audio data received at the outputting step into respective file structures that allow a moving picture to be synchronously reproduced by computer software without a need to use specially dedicated hardware; and multiplexing the encoded video data and the audio data; and recording the multiplexed data to the recording medium; wherein the file structure has a first data unit and a second data unit; matching a plurality of first data units and a plurality of second data units with a successive record length, wherein each second data unit is adjacent to a corresponding first data unit, wherein a successive record length is a length of data that is recorded to the recording medium without a jumping operation; reading means for reading data from a memory, wherein the data is written successively to the memory and is intermittently read when a transfer rate of the encoding means is lower than a transfer rate of the data recorded on the recording medium to prevent underflow and overflow of the recording medium.
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Specification