公开(公告)号：EP1356385A1

公开(公告)日：2003-10-29

申请号：EP02711503.9

申请日：2002-01-30

申请人： Electronics and Telecommunications Research Institute

发明人： AHN, Sang-Woo ,  KIM, Mun-Churl ,  KIM, Yong-SukDST ,  CHOI, Jin-SooExpo ,  KIM, Jin-WoongExpo

IPC分类号： G06F15/16

CPC分类号： H04L65/607 ,  G06F17/30017 ,  G11B27/034 ,  G11B27/10 ,  H04L65/4076 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/242 ,  H04N21/6437 ,  H04N21/84 ,  H04N21/854

摘要： A metadata transmitter synchronized with multimedia contents comprises: a multimedia contents authoring unit for generating and editing multimedia contents; a multimedia contents format converter for compressing the multimedia contents, converting them into a transmission format, and outputting them; a metadata authoring unit for generating and editing metadata for describing the multimedia contents, the metadata including transmission types and transmission information; a metadata format converter for converting the metadata into binary codes, converting the converted metadata into a synchronization format for synchronization with the multimedia contents and a transmission format, and outputting them; and a multiplexer for multiplexing the multimedia contents format and the metadata format respectively output from the multimedia contents format converter and the metadata format converter into a stream, and outputting it.