[LAD] interesting blog post about syncing blender and ardour

Jens M Andreasen jens.andreasen at comhem.se
Tue Sep 22 01:56:51 UTC 2009

On Mon, 2009-09-21 at 17:51 -0400, Paul Davis wrote:

> its also true that there are variants of SMPTE that include subframes,
> which certainly help the accuracy, but its not clear to me how
> commonly this information is actually passed around.

You will always have quarter-frames. No EBU/SMPTE without them. If you
have the "real" signal, you will then also have the 1KHz bi-phase to
adjust to. Once locked, you have the video signals pixel-precise
vsync ..

Locate isn't that critical, would normally be set to place you 4 - 5
seconds before the actual event (to give you a reasonable count-in) and
the punch-in/out would then either be performed from a cue-list or just

More information about the Linux-audio-dev mailing list