----------------------------------------
> From: [EMAIL PROTECTED]
> Subject: Re: [CinCV] Synchronization problem
> To: [email protected]
> Date: Tue, 16 Sep 2008 01:45:23 +0200
> 
> Inge en Wouter Kok wrote:
> 
>> What is it that I'm doing wrong?
> Most likely, you're doing nothing wrong. Cinelerra has an A/V sync issue.

Or you might have done it somewhere. It is really easy to lose sync while 
editing and when you disarm audio or video of track and move, cut, add or do 
anything.

Put camera recording and clap your hands in three meters away from it and repat 
it whitout stopping recording after half hour. The sound should reach one 
millisec after video...

I think the sync problems are everywhere. My camera should take 48000 samples 
in second. In winter when tape just gets out of reel to another it is near 
47300 and on hot summer day it's near 48100. Fireworks are so good to pick up 
those errors. 

I sync in the beginning to mortar flames and sounds and adjust sample rate so 
that it is correct also in the end. Then I put the audio to it's original 
place. It's stupid when there's explosion in sky and the audio comes same time. 
In real life you can see the report to rise and blast. After that there's time 
put smile on your face before the sound comes.

Hannu Vuolasaho
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