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Converting AC3 to other lossy format
post Mar 31 2012, 04:25
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I have a couple of legally owned DVDs with separate high quality AC3 music-only soundtracks which I'd like to listen to on my iPod. Is there any easy way to tell what the bit rate is on these tracks (just for the heck of it)?

Also, does it make any kind of sense to re-encode in a usable lossy format for listening or should I just bite the bullet and extract them into a lossless format, accepting the size increase? If no one has practical experience with doing this on an AC3 track, I may run some DB tests later - but it won't be for a while.
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post Apr 2 2012, 19:01
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I didn't see anything relating to bitrate in Audacity when I imported it, but perhaps I'm looking in the wrong place...
Since the bitrate is the number of bits per second, you can convert bits to bytes and seconds to minutes, and the (approximate average) bitrate is:

Bitrate in kbps = (File Size in MB x 140) /Playing Time in minutes

This post has been edited by DVDdoug: Apr 2 2012, 19:01
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