CONTENT SERVER, INFORMATION PROCESSING APPARATUS, NETWORK DEVICE, CONTENT DISTRIBUTION METHOD, INFORMATION PROCESSING METHOD, AND CONTENT DISTRIBUTION SYSTEM
First Claim
1. A content server comprising:
- a plurality of encoders for encoding a video/audio content and for generating multiple compressed data streams from the video/audio content, where the video/audio content is encoded in such a manner that the positions of video frames corresponding to reference compressed video data and the time points of distribution of the reference compressed video data are different for the respective multiple compressed data streams, the reference compressed video data being data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data; and
a plurality of distribution sections for respectively acquiring from a separate encoder the compressed data stream generated by the encoder and for distributing the acquired compressed data stream, the plurality of distribution sections being assigned individual network addresses.
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Accused Products
Abstract
A content server according to the present invention includes a plurality of encoders for encoding a video/audio content and for generating multiple compressed data streams from the video/audio content, where the video/audio content is encoded in such a manner that the positions of video frames corresponding to reference compressed video data and the time points of distribution of the reference compressed video data are different for the respective multiple compressed data streams, and a plurality of distribution sections for respectively acquiring from a separate encoder the compressed data stream generated by the encoder and for distributing the acquired compressed data stream, the plurality of distribution sections being assigned individual network addresses.
71 Citations
38 Claims
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1. A content server comprising:
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a plurality of encoders for encoding a video/audio content and for generating multiple compressed data streams from the video/audio content, where the video/audio content is encoded in such a manner that the positions of video frames corresponding to reference compressed video data and the time points of distribution of the reference compressed video data are different for the respective multiple compressed data streams, the reference compressed video data being data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data; and a plurality of distribution sections for respectively acquiring from a separate encoder the compressed data stream generated by the encoder and for distributing the acquired compressed data stream, the plurality of distribution sections being assigned individual network addresses. - View Dependent Claims (2, 3, 4)
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5-6. -6. (canceled)
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7. An information processing apparatus comprising:
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an acquisition stream selection section for selecting a compressed data stream to be acquired among multiple compressed data streams distributed by a content server that includes a plurality of encoders to encode a video/audio content and to generate the multiple compressed data streams from the video/audio content, where the video/audio content is encoded in such a manner that the positions of video frames corresponding to reference compressed video data and the time points of distribution of the reference compressed video data are different for the respective multiple compressed data streams, the reference compressed video data being data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data, and a plurality of distribution sections to respectively acquire from a separate encoder the compressed data stream generated by the encoder and to distribute the acquired compressed data stream, the plurality of distribution sections being assigned individual network addresses; and a content acquisition section for acquiring the compressed data stream distributed by the content server based on a selection result of the acquisition stream selection section. - View Dependent Claims (8)
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9-13. -13. (canceled)
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14. A content distribution method comprising the steps of:
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encoding a video/audio content and generating multiple compressed data streams from the video/audio content, where the video/audio content is inputted in such a manner that the positions of video frames corresponding to reference compressed video data and the time points of distribution of the reference compressed video data are different for the respective multiple compressed data streams, the reference compressed video data being data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data; and distributing simultaneously each of the multiple compressed data streams that are generated.
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15. An information processing method comprising the steps of:
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selecting a compressed data stream to be acquired among the distributed multiple compressed data streams generated from a video/audio content encoded in such a manner that the positions of video frames corresponding to reference compressed video data and the time points of distribution of the reference compressed video data are different for the respective multiple compressed data streams, the reference compressed video data being data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data; and acquiring the selected compressed data stream.
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16-18. -18. (canceled)
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19. A content server comprising:
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a first encoder for encoding a video/audio content and for generating a first compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream being configured only from reference compressed video data, which is data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data; a second encoder for encoding the video/audio content and for generating a second compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream including the reference compressed video data and compressed video data generated by using the reference compressed video data; a first distribution section for acquiring the first compressed data stream, for dividing the first compressed data stream into a data distribution period and a data non-distribution period, and for intermittently distributing the first compressed data stream so that the data non-distribution period acquired by the dividing and a data non-distribution period of a first compressed data stream distributed by another content server correspond to each other, the first distribution section being assigned a unique network address; and a second distribution section for acquiring the second compressed data stream and for distributing the acquired second compressed data stream, the second distribution section being assigned a network address different from that of the first distribution section. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. An information processing apparatus comprising:
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an acquisition stream selection section for selecting a compressed data stream to be acquired among multiple first compressed data streams and second compressed data streams distributed by a plurality of content servers, where there are the plurality of content servers that respectively include a first encoder to encode a video/audio content and to generate a first compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream being configured only from reference compressed video data, which is data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data, a second encoder to encode the video/audio content and to generate a second compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream including the reference compressed video data and compressed video data generated by using the reference compressed video data, a first distribution section to acquire the first compressed data stream, to divide the first compressed data stream into a data distribution period and a data non-distribution period, and to intermittently distribute the first compressed data stream so that the data non-distribution period acquired by the dividing and a data non-distribution period of a first compressed data stream distributed by another content server correspond to each other, the first distribution section being assigned a unique network address, and a second distribution section to acquire the second compressed data stream and to distribute the acquired second compressed data stream, the second distribution section being assigned a network address different from that of the first distribution section; and a content acquisition section for acquiring the compressed data stream distributed by the content server based on a selection result of the acquisition stream selection section. - View Dependent Claims (27)
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28-34. -34. (canceled)
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35. A content distribution method comprising the steps of:
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encoding a video/audio content and generating a first compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream being configured only from reference compressed video data, which is data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data; encoding the video/audio content and generating a second compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream including the reference compressed video data and compressed video data generated by using the reference compressed video data; and dividing the generated first compressed data stream into a data distribution period and a data non-distribution period, intermittently distributing the first compressed data stream so that the data non-distribution period acquired by the dividing and a data non-distribution period of a first compressed data stream distributed by another content server correspond to each other, and, at the same time, distributing the second compressed data stream.
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36. An information processing method comprising the steps of:
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selecting a compressed data stream to be acquired among multiple compressed data streams corresponding to multiple video/audio contents being distributed, where there are a plurality of content servers that respectively distribute, in relation to the video/audio content, a first compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream being configured only from reference compressed video data, which is data, in time series data generated by compressing a video signal, for which encoding of a subsequent video signal can be started without depending on previous data, where the first compressed data stream is intermittently distributed so that a data non-distribution period, acquired by dividing a data packet into a data distribution period and the data non-distribution period, and a data non-distribution period of a first compressed data stream distributed by another content server correspond to each other, and a second compressed data stream having a compressed video data stream and a compressed audio data stream, the compressed video data stream including the reference compressed video data and compressed video data generated by using the reference compressed video data; and acquiring the selected compressed data stream. - View Dependent Claims (37)
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38. (canceled)
Specification