Information Processing Device and Method, Program, and Information Processing System
First Claim
Patent Images
1. An information processing device comprising:
- broadcasting means for broadcasting a content at a predetermined transmission rate to at least a receiver downloading the content; and
generating means for generating metadata for the content, the metadata including download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate at the receiver;
wherein the broadcasting means further broadcasts the metadata generated by the generating means.
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Abstract
An information processing device includes a broadcasting apparatus broadcasting a content at a predetermined transmission rate to at least a receiver downloading the content and a generating unit generating metadata for the content. The metadata contains download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate at the receiver. The broadcasting apparatus further broadcasts the metadata generated by the generating unit.
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Citations
19 Claims
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1. An information processing device comprising:
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broadcasting means for broadcasting a content at a predetermined transmission rate to at least a receiver downloading the content; and generating means for generating metadata for the content, the metadata including download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate at the receiver; wherein the broadcasting means further broadcasts the metadata generated by the generating means. - View Dependent Claims (2, 3, 4)
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5. An information processing method performed by an information processing device for broadcasting a content at a predetermined transmission rate to at least a receiver downloading the content, the method comprising the steps of:
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generating metadata for the content, the metadata containing download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate at the receiver; and broadcasting the generated metadata.
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6. A program for causing a computer to perform a control process, the computer controlling a broadcasting apparatus for broadcasting a content at a predetermined transmission rate to at least a receiver downloading the content, the control process comprising the steps of:
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generating metadata containing download-rate state information indicating a state of the transmission rate with respect to a reproduction rate at the receiver; and broadcasting the generated metadata from the broadcasting apparatus.
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7. An information processing device comprising:
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receiving means for receiving a download content when the content is broadcast at a predetermined transmission rate from a broadcasting apparatus, and metadata for the content when the metadata is broadcast from the broadcasting apparatus or sent from an external device, the metadata containing download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate; and reproduction control means for controlling, according to the metadata received by the receiving means, progressive reproduction of the content at the reproduction rate while the content is being received by the receiving means. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. An information processing method performed by a receiver for receiving a download content broadcast by a broadcasting apparatus at a predetermined transmission rate, the method comprising the steps of:
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receiving metadata for the content when the metadata is broadcast by the broadcasting apparatus or sent from an external device, the metadata containing download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate; and controlling, according to the received metadata, progressive reproduction for reproducing the content at the reproduction rate while the content is being received.
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16. A program for causing a computer to perform a control process, the computer controlling a receiver for receiving a download content broadcast by a broadcasting apparatus at a predetermined transmission rate, the control process comprising the steps of:
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receiving metadata for the content when the metadata is broadcast by the broadcasting apparatus or sent from an external device, the metadata containing download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate; and controlling, according to the received metadata, progressive reproduction performed by the receiver for reproducing the content at the reproduction rate while the content is being received.
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17. An information processing system comprising:
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a first information processing device including broadcasting means for broadcasting a content at a predetermined transmission rate to at least a receiver downloading the content, and generating means for generating metadata for the content, the metadata containing download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate at the receiver, wherein the broadcasting means further broadcasts the metadata generated by the generating means; and a second information processing device including receiving means for receiving the content and the metadata broadcast by the first information processing device, and reproduction control means for controlling, according to the metadata received by the receiving means, progressive reproduction of the content at the reproduction rate while the content is being received by the receiving means.
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18. An information processing device comprising:
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a broadcasting apparatus broadcasting a content at a predetermined transmission rate to at least a receiver downloading the content; and a generating unit generating metadata for the content, the metadata including download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate at the receiver; wherein the broadcasting apparatus further broadcasts the metadata generated by the generating unit.
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19. An information processing device comprising:
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a receiver receiving a download content when the content is broadcast at a predetermined transmission rate from a broadcasting apparatus, and metadata for the content when the metadata is broadcast by the broadcasting apparatus or sent from an external device, the metadata containing download-rate state information indicating a state of the predetermined transmission rate with respect to a reproduction rate; and a reproduction controller controlling, according to the metadata received by the receiver, progressive reproduction of the content at the reproduction rate while the content is being received by the receiver.
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Specification