I'm only up to page 13 of this thread, but I find this pretty interesting.
I only got my first 'serious' pair of headphones recently and didn't know about all the enthusiasm for headphone surround sound. I find this interesting because in the home audio community, listening to music with surround processing seems to be universally frowned upon, although that's how I enjoy it on my 5.1 system. Sure stereo is purer, but with atmospheric music like shoegaze, ambient, or electronic stuff like IDM, Pro Logic can sound amazing.
Any reason surround for music is embraced by you headphone guys and not home audio audiophiles?
I've noticed though that surround processing can bring out distortion in files prone to it. The same way 'Theater 5CH' mode on my receiver exaggerates sibilance on vinyl records to the point of audible distortion, the more processing I add in the channel mixer, the more distortion is revealed in some files.
Anyway, I've been playing around with this and am enjoying the following settings:
