发明授权
US08412774B2 Picture-in-picture video content distribution 有权
画中画视频内容分发

Picture-in-picture video content distribution
摘要:
A method and system for multicasting video signals over a network. A standard definition (SD) picture-in-picture (PIP) multicast video signal is encoded from a video signal. A common network address is assigned to the SD PIP multicast video signal for both SD PIP video content and high definition (HD) video content.
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