Re: [LAD] interesting blog post about syncing blender and ardour | Linuxaudio.org

Re: [LAD] interesting blog post about syncing blender and ardour

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

From: Florian Faber <faber@...>

To: Fons Adriaensen <fons@...>

Cc: The Linux Audio Developers' Mailing List <linux-audio-dev@...>

Subject: Re: [LAD] interesting blog post about syncing blender and ardour

Date: Saturday, September 26, 2009 - 4:28 am

Fons.

> Not really. Suppose you have to do this:

quoted text

>
> 1. copy an audio track from a video recording,
> 2. do some work on it,
> 3. copy the result back to the video recording.
>
> Your (nominal) sample rate is 48k, the video is
> exactly 100s long when played at the exact frame
> rate.
>
> If the the clock used by the video equipment and your
> sample clock are not coherent (not derived from the
> same source), there will be a relative error between
> them, both in steps 1 and 3.

If the source is analogue video (and analogue audio), you derive your
word clock from the VBI/video lines or SMPTE, if you have this information.

If the source is digital, well, there is no problem, since you work on a
fixed number of samples.

So please tell me how this can ever happen in real life?

Flo
--
Machines can do the work, so people have time to think.
public key DA43FEF4 x-hkp://wwwkeys.eu.pgp.net
_______________________________________________
Linux-audio-dev mailing list
Linux-audio-dev@lists.linuxaudio.org
http://lists.linuxaudio.org/mailman/listinfo/linux-audio-dev

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[LAD] interesting blog post about syncing blender and ardour, Jörn Nettingsmeier, (Sun Sep 20, 10:26 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Patrick Shirkey, (Sun Oct 4, 5:13 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Jens M Andreasen, (Mon Sep 21, 4:41 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Mon Sep 21, 12:19 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Arnold Krille, (Mon Sep 21, 2:59 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Mon Sep 21, 8:16 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Mon Sep 21, 12:56 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., nescivi, (Tue Sep 22, 1:11 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 10:41 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Adrian Knoth, (Tue Sep 22, 10:46 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 11:35 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Adrian Knoth, (Tue Sep 22, 1:14 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., nescivi, (Tue Sep 22, 1:39 pm)

[LAD] Animata on 64bit architecture, Ralf Mardorf, (Wed Sep 23, 5:26 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Dave Phillips, (Tue Sep 22, 3:09 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 3:35 pm)

[LAD] Animata or any other 32-bit application on 64-bit by s..., Ralf Mardorf, (Tue Sep 22, 1:58 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 1:30 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Sun Sep 20, 10:58 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Mon Sep 21, 12:18 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Fons Adriaensen, (Mon Sep 21, 4:37 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Mon Sep 21, 9:51 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Jens M Andreasen, (Tue Sep 22, 1:57 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 10:49 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Fons Adriaensen, (Mon Sep 21, 10:42 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Tue Sep 22, 1:38 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 1:44 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Tue Sep 22, 2:16 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 3:26 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Tue Sep 22, 3:36 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Fons Adriaensen, (Tue Sep 22, 4:46 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Thu Sep 24, 10:38 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Chris Goddard, (Fri Sep 25, 4:23 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Fons Adriaensen, (Fri Sep 25, 3:20 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Fri Sep 25, 4:06 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Fons Adriaensen, (Fri Sep 25, 5:20 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Fri Sep 25, 5:25 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Fons Adriaensen, (Fri Sep 25, 9:50 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Florian Faber, (Sat Sep 26, 4:28 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Fons Adriaensen, (Sat Sep 26, 10:37 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Paul Davis, (Sat Sep 26, 12:25 am)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Tue Sep 22, 4:16 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Mon Sep 21, 10:58 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Mon Sep 21, 11:02 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Mon Sep 21, 10:34 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Mon Sep 21, 12:51 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Arnout Engelen, (Mon Sep 21, 4:16 pm)

Re: [LAD] interesting blog post about syncing blender and ar..., Ralf Mardorf, (Mon Sep 21, 8:48 pm)