I've never seen it applied like that, compressed/ not compressed, etc. Keep in mind, the acoustic properties where going for w/the fluffy stuff, are altered/compromised when it's compressed at all.
I know using fluffy presents logistical issues due to it not being self supporting, it'll stack maybe two high without compressing, and it can be supported with any type of cheapo bird netting. Or, one can hang it vertically. Just hang the batt from the top in any way possible. One could use pants/slacks hangers (clamp type) and merely hang the thing full length. Or some type of dowel, or any kind of wood to loop the entire batt over and hang both sides down full length.
Safe-N-Sound stuff stacks up much better, if one was so inclined.
If you've not seen this;BobGolds
, it's indispensable. The info about 3/4 of the way down is great, many good links/pics, etc. While perusing the absorption coefficients, note the "on wall", "x" inches off wall, mounting methodology, and how much one gains with thickness and spacing.
Tons to explore there, all solid stuff.