Method of transmitting preview content and method and apparatus for receiving preview content
First Claim
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1. A method of transmitting preview content, comprising:
- providing program guide service information by a content server to a program guide server;
transmitting the program guide service information by the program guide server to a receiving apparatus when the program guide server is accessed by the receiving apparatus,wherein the program guide service information includes preview availability information which indicates whether or not the preview content exists for each of contents in the program guide service information and media format information indicating a encoding format of the preview content; and
transmitting preview content corresponding to contents of the program guide service information by a preview content server to the receiving apparatus when the preview content server is accessed by the receiving apparatus,wherein the preview availability information is transmitted to the receiving apparatus before transmitting the preview content to the receiving apparatus,the media format information is transmitted to the receiving apparatus before transmitting the preview content to the receiving apparatus, andthe media format information is transmitted to the receiving apparatus separately from the preview content.
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Abstract
Provided is a method of transmitting preview content and a method and apparatus for receiving the preview content, wherein the method of transmitting preview content includes providing program guide service information by a content server to a program guide server; transmitting the program guide service information by the program guide server to a receiving apparatus when the program guide server is accessed by the receiving apparatus; and transmitting preview content corresponding to contents of the program guide service information by a preview content server to the receiving apparatus when the preview content server is accessed by the receiving apparatus.
16 Citations
19 Claims
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1. A method of transmitting preview content, comprising:
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providing program guide service information by a content server to a program guide server; transmitting the program guide service information by the program guide server to a receiving apparatus when the program guide server is accessed by the receiving apparatus, wherein the program guide service information includes preview availability information which indicates whether or not the preview content exists for each of contents in the program guide service information and media format information indicating a encoding format of the preview content; and transmitting preview content corresponding to contents of the program guide service information by a preview content server to the receiving apparatus when the preview content server is accessed by the receiving apparatus, wherein the preview availability information is transmitted to the receiving apparatus before transmitting the preview content to the receiving apparatus, the media format information is transmitted to the receiving apparatus before transmitting the preview content to the receiving apparatus, and the media format information is transmitted to the receiving apparatus separately from the preview content. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus for receiving preview content, comprising:
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a network interface unit which receives packets including access information, program guide service information, and the preview content; an Internet Protocol (IP) manager which transmits the received packets to a relevant manager according to a protocol; a service discovery manager which parses the packets and extracts the access information, the program guide service information, and the preview content; and an application/user interface manager which controls the network interface unit that accesses a service discovery server to receives the access information, accesses a program guide server using the access information to receives the program guide service information, and accesses a preview content server using the access information to receives the preview content, wherein the program guide service information includes preview availability information which indicates whether or not the preview content exists for each of contents in the program guide service information and media format information indicating a encoding format of the preview content, wherein the application/user interface manager controls the network interface unit to access the preview content server using the access information and receive the preview content, if the preview availability information indicates that the preview content exists, wherein the preview availability information is received before requesting and receiving the preview content, the media format information is received before requesting and receiving the preview content, and the media format information is separately received from the preview content. - View Dependent Claims (10, 11, 12, 13)
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14. A method of receiving preview content, comprising:
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receiving program guide service information by a network interface unit which accesses a program guide server according to control of an application/user interface manager, wherein the program guide service information includes preview availability information which indicates whether or not the preview content exists for each of contents in the program guide service information and media format information indicating a encoding format of the preview content; if the preview availability information indicates that the preview content exists requesting and receiving preview content corresponding contents of the program guide service information by the network interface unit which access a preview content server according to control of the application/UI manager; and displaying the program guide service information and the preview content on a display unit, wherein the preview availability information is received before requesting and receiving the preview content, the media format information is received before requesting and receiving the preview content, and the media format information is separately received from the preview content. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification