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What is a program clock reference (PCR) in MPEG?

問題:

What is a program clock reference (PCR) in MPEG?

答案:

a) The sample of the encoder clock count that is sent in the program header to synchronize the decoder clock.

b) The "clock on the wall" time when the video is multiplexed.

c) Reference for the 27 MHz clock regeneration. Transmitted at least every 0.1 sec.


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