[LAD] interesting blog post about syncing blender and ardour

Paul Davis paul at linuxaudiosystems.com
Mon Sep 21 21:51:23 UTC 2009

On Mon, Sep 21, 2009 at 12:36 PM, Fons Adriaensen <fons at kokkinizita.net> wrote:
> On Mon, Sep 21, 2009 at 08:18:00AM -0400, Paul Davis wrote:
>> SMPTE is a low resolution time code. There is no reason to be limited
>> by frame rates of 30 fps when defining a synchronization protocol
>> between applications running on the same (or even two networked)
>> computer(s). JACK transport is sample-accurate, and as such is
>> thousands of times more accurate than SMPTE.
> While I'd agree 100% that SMPTE is not what's needed here,
> your comments on its potential accuracy are misleading.
> The *data* contained in the SMPTE timecode is quantised
> to frames. But SMPTE is not just that data. It is data
> encoded into an audio signal, and this can be resolved
> to sub-microsecond accuracy.

when rolling, sure. i'm thinking about a locate command.

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.

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