Patent ID: 7973859
Filing Date: 2011-07-05
Classification: H04N

Abstract:
1. An apparatus for video/audio data transmission, comprising: a receiving decoding module, a video synchronization module and a mixer; wherein the receiving decoding module is configured to receive remote video/audio data and a stream media transmitted from an IP network, respectively decode the received remote video/audio data and the stream media, input decoded video data to the video synchronization module, and input decoded audio data to the mixer; the video synchronization module is configured to combine and synchronize the received video data; the mixer is configured to mix the received audio data; and the video synchronization module comprises two video frame registers respectively configured to store the video data of the stream media and the remote video data; if any one of the frame registers is refreshed, a combination and an output are made; and if no new data is inputted into the video frame registers, the video frame registers keep the previous video data.