Hi Matt,

You could probably put the 8 other languages into mp3 files, which you can play 
back using the Sound class.   Sound.play() has an optional startTime argument, 
so you can start playback at any position in the mp3. 

Suppose the user is playing back the FLV in English, then switches to French.  
In your code, you would mute the FLV's English audio soundtrack, get the FLV's 
current playback position (which I assume is possible, though I've never 
tried!), then call play on a Sound with the French sound track, with startTime 
set to the FLV's current position.

-Gerry

On 2010-05-06  , at 21:30 , Matt S. wrote:

> Is there a reliable way to have one video track, but then swap in
> audio tracks on the fly and have them sync properly? The client wants
> a 26 minute video which would be in English, but then also have 8
> other language versions that would be dubbed, eg the audio would play
> over the video. We're trying to figure out if this can be done with a
> single video and multiple audio, or if it will need to be separate
> flv's. The reason for not just using different flv's is because the
> whole thing needs to fit on a CD-ROM so we're dealing with pretty
> significant size constraints if we want to fit it on one disc. And
> yes, before you point out that DVD's are exponentially larger than
> CD's, I know, but the discs will be sent to countries with much less
> reliability in terms of what kinds of drives they'll have and in all
> likelihood much higher percentages of users who are still running pc's
> with CD drives only, no DVD. I pushed for DVD, but lost.
> 
> Anyhoo, any suggestions much appreciated.
> 
> thanks,
> 
> 
> Matt
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