Content relay device, content relay system, content relay method, and content relay program

Abstract

To provide excellent display functions using a display device in a house.SOLUTION: A content relay device includes: a data acquisition unit that acquires first video data including content; a decoding unit that acquires the content by decoding the first video data acquired by the data acquisition unit; an encoding unit that generates second video data by encoding display content that is based on the content acquired by the decoding unit according to a predetermined method supported by a display device; and a transmitting unit that transmits the second video data generated by the encoding unit to the display device via a home network.SELECTED DRAWING: Figure 3

Claims

1. A content relay device that relays content displayed on a display device, A data acquisition unit that acquires first video data including the aforementioned content, A decoding unit that acquires the content by decoding the first video data acquired by the data acquisition unit, An encoding unit generates second video data by encoding the display content based on the content acquired by the decoding unit according to a predetermined method supported by the display device, A transmission unit transmits the second video data generated by the encoding unit to the display device via the home network, The system comprises a plurality of decoding devices capable of receiving the second video data, and a storage unit that stores method information indicating the correspondence between a plurality of compression methods supported by each of the plurality of decoding devices. The encoding unit generates the second video data by compressing the display content based on the format information, according to a compression method corresponding to the display device which is the decoding device that is the destination of the second video data.

2. The data acquisition unit acquires the compressed first video data, The content relay device according to claim 1, wherein the decoding unit acquires the content by decompressing the first video data.

3. The aforementioned content relay device further, The display device includes an additional information acquisition unit that acquires additional information to be displayed in the aforementioned display device, A content relay device according to claim 1 or 2, further comprising: a generation unit that generates display content, which is a display image in which the additional information acquired by the additional information acquisition unit is added to the display image shown by the content acquired by the decoding unit.

4. The additional information acquisition unit acquires event information indicating that a predetermined event has occurred via WAN (Wide Area Network) or the in-home network as the additional information. The content relay device according to claim 3, wherein the generation unit generates the display content which is a display image in which the content of the event indicated by the event information acquired by the additional information acquisition unit is added to the display image indicated by the content.

5. The additional information acquisition unit acquires image information via the in-home network as the additional information. The content relay device according to claim 3, wherein the generation unit generates the display content which is a display image in which the image indicated by the image information acquired by the additional information acquisition unit is added to the display image indicated by the content.

6. The aforementioned content relay device further, It includes an audio signal relay unit that transmits audio signals received via WAN to a speaker-equipped device via the in-home network, The additional information acquisition unit acquires a string of characters indicated by the audio signal by analyzing the audio signal received by the audio signal relay unit, as the additional information. The content relay device according to claim 3, wherein the generation unit generates the display content which is a display image in which the string acquired by the additional information acquisition unit is added to the display image shown by the content.

7. The aforementioned content relay device further, The system includes a selection information receiving unit that receives selection information indicating the content selected by the user via the in-home network, The content relay device according to claim 1 or 2, wherein the data acquisition unit acquires the first video data including the content indicated by the selection information received by the selection information receiving unit.

8. The aforementioned content relay device further, The device includes a detection unit that detects the activation of the aforementioned display device, The content relay device according to claim 1 or 2, wherein the transmitting unit transmits the second video data to the display device detected by the detection unit.

9. The content relay device according to claim 1 or 2, wherein the data acquisition unit acquires the first video data from a storage device connected to the content relay device.

10. The content relay device according to claim 1 or 2, wherein the data acquisition unit acquires the first video data including the content to be broadcast.

11. A content relay system that relays content displayed on a display device, Content relay device and The device comprises an adapter with a built-in decoder connected to the aforementioned display device, The content relay device acquires first video data including the content, acquires the content by decoding the acquired first video data, generates second video data by encoding display content based on the acquired content according to a predetermined method supported by the decoder-integrated adapter, and transmits the generated second video data to the decoder-integrated adapter via the home network. The decoder-integrated adapter receives the second video data, decodes the received second video data to obtain the display content, and transmits the obtained display content to the display device. The content relay device includes a plurality of decoding devices capable of receiving the second video data, and a storage unit that stores method information indicating the correspondence between a plurality of compression methods supported by each of the plurality of decoding devices. The content relay device is a content relay system that generates the second video data by compressing the display content based on the format information, according to a compression method corresponding to the decoder-integrated adapter which is the decoding device.

12. The decoder-integrated adapter receives user input and transmits operation information indicating the received operation to the content relay device via the home network. The content relay system according to claim 11, wherein the content relay device receives the operation information and processes the received operation information.

13. A content relay method in a content relay device that relays content displayed on a display device, A step of acquiring first video data including the aforementioned content, The steps include: obtaining the content by decoding the acquired first video data, The steps include generating second video data by encoding the acquired content for display according to a predetermined method supported by the display device, The process includes the step of transmitting the generated second video data to the display device via the home network, The content relay device includes a plurality of decoding devices capable of receiving the second video data, and a storage unit that stores method information indicating the correspondence between a plurality of compression methods supported by each of the plurality of decoding devices. A content relay method comprising the step of generating the second video data, wherein, based on the format information, the display content is compressed according to a compression method corresponding to the display device which is the decoding device for the destination of the second video data, thereby generating the second video data.

14. A content relay program used in a content relay device that relays content displayed on a display device, A data acquisition unit that acquires first video data including the aforementioned content, A decoding unit that acquires the content by decoding the first video data acquired by the data acquisition unit, An encoding unit generates second video data by encoding the display content based on the content acquired by the decoding unit according to a predetermined method supported by the display device, A transmission unit transmits the second video data generated by the encoding unit to the display device via the home network. It is a program designed to function as such. The content relay device includes a plurality of decoding devices capable of receiving the second video data, and a storage unit that stores method information indicating the correspondence between a plurality of compression methods supported by each of the plurality of decoding devices. The encoding unit is a content relay program that generates the second video data by compressing the display content based on the format information, according to a compression method corresponding to the display device which is the decoding device that is the destination of the second video data.

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