| 摘要 |
Disclosed is a method for changing channels in a digital television transport stream, which comprises accessing the digital television transport stream, itself comprising a plurality of multiplexed channels, by using a first tuner, displaying a first program channel from the digital television transport stream, detecting and storing in a buffer memory recent video data from a second channel while displaying the first channel by using a second tuner, immediately recalling and presenting a complete video frame from the stored video data of the second channel for display when the second channel is selected by the user, and displaying real-time video from the second channel when decodable real-time video data is available from the transport stream.
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