Re: [linux-audio-user] SMPTE timecode reader

From: plutek <plutek@email-addr-hidden>
Date: Tue Dec 19 2006 - 17:57:28 EET

On 12/19/2006 09:57:47 AM, plutek wrote:
> i must confess to some slight confusion about the real meaning of all
> the combinations of 29.97, 30, drop, and non-drop, but ardour 0.99.3
> doesn't show any 29.97 options for MTC, so am i out of luck here?

with further reading, i believe i have a clearer picture of smpte
formats:

--"30 non-drop" runs at 30 fps, with continuous counting.
--"29.97 drop" is the same as "30 drop", running at 29.97 fps, and
using discontinuous counting such that the frame times don't slip too
much from normal timepieces over longer durations.
--"29.97 non-drop" runs at 29.97 fps, with continuous counting -
usually used in i.e. commercials which, due to their brevity do not get
to the first dropped frame-count in the "drop" format.

so, my understanding is that we have 2 out of the above 3 formats
covered in ardour's MTC options, right? if one wishes to use "29.97
non-drop", it seems not currently possible.

.pltk.
Received on Tue Dec 19 20:15:03 2006

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