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.celt files, I'm new and I need to convert one to mp3
post Sep 28 2012, 09:44
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I'm new at this whole thing, but I want to convert a .celt file into an MP3. The whole reason for doing this is because of a game I am playing. It has sound files that are stored inside of an .fsb file (This part doesn't matter to much because I already got them separated). In that .fsb file there are .celt files and from what I understand those are the actual sounds from the game. I need a simple way to convert those to a .mp3. Now I've read another post on here that says that they are now under Opus... I have no idea what that means, I searched it and came up with some .exe files that I have no idea how to use. So if some one can please give me a tutorial on how to convert a .celt file to a .mp3 file in simple English that would be amazing.
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post Sep 28 2012, 10:00
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Opus has superceded CELT but is not compatible with CELT files, which were always experimental. The bitstream got as far as a soft freeze, but early .celt files might be incompatible with later decoders.

I'd suggest the easiest way*, if you have a Windows PC, might be to obtain foobar2000 media player/converter and download and install the foo_input_celt plugin.

If it plays the .celt files properly, then you can right click the file(s) and Convert... to use any encoder you've set up.

Search these forums or knowledgebase (Wiki) for how to set up LAME as an MP3 encoder for foobar2000 (also known as fb2k). A VBR quality setting from -V5 (~130kbps) to -V2 (~190kbps) should provide pretty good sound quality, and foobar2000 will warn you that transcoding from lossy to lossy will not increase quality, and may make it audibly worse, but will still let you do it.

(* The celt-codec.org site only contains source code as far as I'm aware, so tracking down a commandline decoder binary might be tricky - it's not on rarewares.org, though I didn't check reallyrarewares)
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