I read a few posts about people (ripping?) audio in VDub and creating a separate audio (wav?) file. What is the advantage of this? I experimented with Tmpgenc and understand where to select this wav for conversion. Buy why? Does it shorten the conversion time? Better quality?
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The encoder can't handle it then. You need to decompress the audio with Vdub (but i think Vdub is bad, is ruïned 3 of my movies) or another program. I don't know why that is, but that's just the way it is. you have to decompress the audio (= putting it into WAV or you can save the whole file as an avi with decompresses audio) or otherwise the encoder won't make your mpeg file
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Yes, basically the encoder cannot handle it. It seems decompressing first may only be absolutely necessary when your compressed audio is 48kHz because in this instance TMPGenc is rarely able to decompress, resample, and transcode all simultaneously without causing severe artifacts. In any case, decompressing first takes very little time, takes up relatively little hard drive space, and seems to solve all problems regarding audio encoding, so its generally a good precaution to take anytime you have a compressed audio source.
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