Uncompress DivX before converting?

[Daagar]

Buried 20 pages deep in another thread, someone mentioned that they got 'better' results when going from DivX to VCD/SVCD/KVCD by first uncompressing the DivX file in VirtualDub first. Has anyone tried this, and does it really make a difference? It seems like this should have no effect, because you can't regain the info that was lost in the original divx compression... any info appreciated.

[banjazzer]

You decompress the audio to wav. if you don't you will very likely get sync problems with DivX that use variable bitrate mp3.

[Truman]

Some audio encoders require uncompressed audio. Decompressing the video is useless. You have answered the question yourself.

[Daagar]

Thanks, turns out I slightly misunderstood what the other people had mentioned. Turns out I can use 'ffdshow' in place of the standard DivX codecs, and do some post-processing of the original DivX file before passing it into TMPGEnc. Looking at ffdshow, it even allows for resize/sharpen/crop/deblock, etc. I don't know how these filters compare to AviSynth's filters, so I'll give them a shot.