| 摘要 |
<p>The present invention relates to a system and a corresponding method for embedding a message (270) in video content. The method comprises authoring video content during a video production process, thereby producing authored video content, the authoring including: embedding a message (270) in a plurality of video frames (50); associating each frame of the plurality of video frames (50) with time code information (570) such that individual frames comprising the embedded message (270) are identified by the time code information (570), the interval between each identified individual frame of the plurality of video frames (50) comprising the embedded message (270) comprising a key frame interval to be used during video encoding of the video content; and video encoding the authored video content according to the time code information (570) such that each identified individual frame is encoded as a key frame (210); and wherein the message (270) is visible when at least some of the key frames (210) comprising the embedded message (270) are played back using trick mode playback, and the message (270) is hidden by the non-key frames (230) during non-trick mode playback.</p> |
