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Media gateway

  • US 8,931,027 B2
  • Filed: 01/28/2005
  • Issued: 01/06/2015
  • Est. Priority Date: 09/22/2004
  • Status: Active Grant
First Claim
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1. A media gateway, comprising:

  • a video signal inlet configured to receive video broadcast media according to at least two different video transmission standards via at least two different input terminals, respectively;

    a broadcast signal receiver configured to select, in response to a client control command, a video broadcast medium according to one video transmission standard from among the video broadcast media according to the at least two different video transmission standard to receive a broadcast signal corresponding to the selected video broadcast medium, and to divide the broadcast signal into video and audio signals;

    a video decoder configured to decode the video signal into a displayable image signal;

    an analog-to-digital (A/D) converter configured to digitally convert the audio signal;

    an encoder configured to encode the digitally converted audio signal and the image signal;

    a data communicator configured to receive Audio-video (AV) stream data from the encoder and to transmit AV stream data to a data communication unit on a client side, and to receive the client control command from the data communication unit on the client side and to transmit the client control command; and

    a main processor configured to receive the client control command transmitted from the data communication unit, to control a tuner in the broadcast signal receiver to select the video broadcast medium according to the client control command received through the data communication unit, and to transmit the AV stream data obtained by encoding the broadcast signal of the channel selected by the tuner to the client side, wherein the at least two different input terminals are configured to receive a CVBS (Composite Video Blanking Sync) signal and an S-Video (Separate-Video) signal, respectively.

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