Not sure what envelope or parallel compression is. But I do know that using a limiter or normalize function will introduce noise in it self and should be avoided as much as possible, same goes for compression, not sure about parallel compression ? I also like to keep some dinamic's between the different types tunes and normalize will defeat that. I was trying something different here to see if the final product comes out cleaner in the end that is all.
I do use Izotope ozone and RX Advance to take care of a lot of typical noise ( whistles, cheers, loud talking, clapping, chair noises, doors slamming, etc.,coughing and last but not lease cell phones clicking off taking photos, which cracks me up because cell phone cameras don't have a shutter. It's added noise so you know you took a photo ! ) you get at a live performance. Just want to find a better way to start attacking the over saturated crowd noise between songs. Thanks for your input.