PCR: Difference between revisions
Jump to navigation
Jump to search
mNo edit summary |
|||
| Line 1: | Line 1: | ||
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 09:08, 7 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.