Why 3 frames out of Sync on capture

[David Roth weiss]

See this answer from yesterday:
https://forums.creativecow.net/readpost/8/1082619

David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los Angeles

POST-PRODUCTION WITHOUT THE USUAL INSANITY ™

EPK Colorist – UP IN THE AIR – nominated for six academy awards

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[Michael Gissing]

3 Frames is gross not slight. Audio pros agonize over sub frames. It drives me nuts that my LCD has a half frame latency and I can only compensate playback delay in frames.

[David Roth weiss]

[Michael Gissing] “udio pros agonize over sub frames.”

Michael,

My editing mentor of nearly thirty years has always said to me that, “an edit that’s one frame off is a bad edit.”

I’m gonna have to call him now and tell him that he got it all wrong, that he should have said, “an edit that’s one sample off is a bad edit.”

David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los Angeles

POST-PRODUCTION WITHOUT THE USUAL INSANITY ™

EPK Colorist – UP IN THE AIR – nominated for six academy awards

A forum host of Creative COW’s Apple Final Cut Pro, Business & Marketing, Indie Film & Documentary, and Film History & Appreciations forums.

[Michael Gissing]

[David Roth Weiss] “”an edit that’s one sample off is a bad edit.””

That’s a bit harsh. There are 2000 samples per PAL frame so I would say +- 500 samples for sync. For a dialog edit, yes we go right down to the sample level to fix clicks or take to edge off a plosive.

[Glyn Bowerman]

Hi David

I’ve checked my old system and it was set to 4 and sync issues were never a problem. Why would it be the case now?
By having it offset to 4 what does this achieve? Does it offset it on the timeline as it plays out?