Patent ID: 7028324
Filing Date: 2006-04-11
Classification: H04H

Abstract:
1. A digital broadcasting system comprising: an authoring apparatus and a transmission apparatus that transmits a content transferred from the authoring apparatus, wherein the authoring apparatus includes: a generating means for generating event information, which defines an event message that should be transmitted immediately after an operator's instruction to transmit the event message is inputted; a processing means for processing a content, which should be transferred to the transmission apparatus, by adding the generated event information; and an extracting means for extracting the event information from the processed content by referring to the tag information; and a transferring means for transferring the extracted event information to the transmission apparatus, and the transmission apparatus includes: a storing means for storing the event message included in the event information transferred from the authoring apparatus; an issuing means for issuing the event message stored in the storing means by receiving the operator's instruction; and a multiplexing means for multiplexing and transmitting the issued event message with a content that has been transferred from the authoring apparatus, wherein the generated event information includes the event message and tag information, the tag information allowing the authoring apparatus to recognize that the event message should be (a) transferred to the transmission apparatus before the operator's instruction is inputted and (b) transmitted from the transmission apparatus immediately after the operator's instruction is inputted.