I have a raw avi file, which i can compress (encode) in virtual dub with xvid, ffdshow or x264. But when i try to set audio, virtual dub only allows MP3. I want, for instance, to set X264 with AAC or ffdshow with AC3. Why can't i select these audio encoders? Or do these combinations work only in MKV, MOV, MP4 files and not AVI?
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