发明名称 |
Apparatus and method for displaying a secondary video signal with a primary video signal |
摘要 |
<p>The present invention is a decoding apparatus for decoding an encoded video signal capable of displaying a secondary video synchronously with a primary video. The decoding apparatus includes: an auxiliary information analyzing part that analyzes auxiliary information including display auxiliary information about a display position and/or a display size of the secondary video, and applied time information by which the display auxiliary information is applied; a reference time counter that indicates a reference time at which a video is decoded and displayed; a comparing part that compares the applied time information with the reference time counter; a display screen forming part that uses a primary video and a secondary video to form a display screen; and a control part that controls the display screen forming part, wherein the control part controls the display position and/or the display size of the secondary video by affording a command to the display screen forming part using the display auxiliary information, based on an output result of the comparing part.
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申请公布号 |
EP1753235(A3) |
申请公布日期 |
2008.12.17 |
申请号 |
EP20060251193 |
申请日期 |
2006.03.06 |
申请人 |
HITACHI, LTD. |
发明人 |
MIZOSOE, HIROKI;IMAIDE, TAKUYA |
分类号 |
H04N5/45;G09G5/00;G09G5/14;G09G5/36;H04N5/91;H04N19/00;H04N19/44;H04N19/46;H04N19/70 |
主分类号 |
H04N5/45 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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