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Audio extraction without recompressing?
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sock
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O.P. Undecided  Audio extraction without recompressing?
(Also posted on the Winamp.com Forums)

Hello! :)

Umm... does anyone know of a way to extract the audio stream out of a WMV file, without recompressing (re-encoding) it?

The audio codec is Windows Media Audio V8 (128 kbps, 44 kHz, stereo) and the video codec is Windows Media Video V7.

I tried Microsoft's Windows Movie Maker and Windows Media Encoder 9 Series, both can't do it. I also tried VirtualDub and VirtualDubMod, but they both can't work with WMV files because of legal issues. :(

This thing seems so trivial, it's actually simpler to extract the compressed audio stream than decompress and compress it again. All you have to do is copy the audio data to a new file and add a header or something. You'd expect many apps to be capable of doing that... but no. They all have to recompress! :@

So why won't I recompress, you ask? Firstly, it just freakin' ticks me off having to do something that is entirely unnecessary (recompressing). Secondly, recompressing a lossy format is never a good thing to do, the quality degrades.

This is so frustrating... Please, come to my rescue.

Thanks a bunch! :)

This post was edited on 04-04-2004 at 07:41 PM by sock.
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04-04-2004 04:11 AM
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Messages In This Thread
Audio extraction without recompressing? - by sock on 04-04-2004 at 04:11 AM
RE: Audio extraction without recompressing? - by Guido on 04-04-2004 at 04:22 AM
RE: Audio extraction without recompressing? - by sock on 04-04-2004 at 07:48 PM
RE: Audio extraction without recompressing? - by Guido on 04-04-2004 at 08:30 PM
RE: Audio extraction without recompressing? - by M-Head on 04-04-2004 at 09:00 PM
RE: Audio extraction without recompressing? - by Concord Dawn on 04-04-2004 at 09:25 PM
RE: Audio extraction without recompressing? - by Guido on 04-04-2004 at 10:47 PM
RE: Audio extraction without recompressing? - by sock on 04-04-2004 at 11:03 PM
RE: Audio extraction without recompressing? - by M-Head on 04-05-2004 at 09:28 AM
RE: Audio extraction without recompressing? - by Anubis on 04-05-2004 at 10:03 AM
RE: Audio extraction without recompressing? - by CookieRevised on 04-05-2004 at 10:34 AM
RE: Audio extraction without recompressing? - by sock on 04-06-2004 at 01:53 AM
RE: Audio extraction without recompressing? - by CookieRevised on 04-06-2004 at 02:08 AM
RE: RE: Audio extraction without recompressing? - by sock on 04-06-2004 at 02:34 AM
RE: Audio extraction without recompressing? - by CookieRevised on 04-06-2004 at 03:15 AM
RE: Audio extraction without recompressing? - by sock on 04-06-2004 at 03:37 AM


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