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Abbreviation for Program Clock Reference. For MPEG-2 standards, the clock rate is 27 MHz which clocks the video and audio. If there is a drift rate higher than the spec of | Abbreviation for Program Clock Reference. For MPEG-2 standards, the clock rate is 27 MHz which clocks the video and audio. If there is a drift rate higher than the spec of /- 500ns, some deocders will lose 'Lip" sync and the color subcarrier my drift. | ||
Revision as of 11:53, 6 June 2007
Abbreviation for Program Clock Reference. For MPEG-2 standards, the clock rate is 27 MHz which clocks the video and audio. If there is a drift rate higher than the spec of /- 500ns, some deocders will lose 'Lip" sync and the color subcarrier my drift.