The time savings with the audio alignment/time stretch function of RVP is absolutely astounding, I can’t imagine having to give it up after using it for a year or two.
The new version (3.2) is out, and I can’t wait to give it a go. TBH, the doubling feature of RVP in earlier versions was something I found difficult to get good results from. The “What’s New” for version 3.2 says, “Improved Doubling Feature”. Can’t wait to see how much improved it is in my hands.
Also, for people who work with non-fixed tempo projects - 3.2 reportedly fixes a bug in 3.1, which was the first version that allowed easy time-stretching in non-fixed tempo projects. Can’t wait to confirm that on my system either.
A few months ago I did some quick comparisons of VariAudio, RevoicePro (3.1 I think), and an old digital time stretcher, VoiceOne by TC Helicon. I found that at times RevoicePro did a better job than VariAudio, and at other times vice versa (VoiceOne didn’t hold its own at all).
I think that a neat benefit of having two pitch/time stretch programs is that the artifacts are different. So if one harmony gets stretched/pitched with one program. and another gets processed with the other, it’s easier to avoid that weird artifact one gets when using one program only (noticeable on one note, more so on a two-note harmony, make it a three-note harmony and the artifact can become overpowering).
My two cents!