I only have Vegas running and maybe six tracks of video / audio on a 2.66G P4 with 512MB and XP.

I have composite and volume envelopes on the tracks, and they render perfectly, but when I am editing the audio drops and then reappears at times. I am only playing it at the 'preview' setting, not good or best.

Video will fade in, then a music bed or narration track is silent for a few seconds.

Any ideas?