"lossy compression" used to reduce the file size is...I am fairly sure what PG uses. MANY pros will suggest that depending on the "bit rate" some compressed files sound exactly as good as the source uncompressed files.

At 320 kbps the majority of experts I've talked to say they can't tell the differnce vs. masters played over pro studio gear.

At 192 kbps they say you have to have HIGHLY critical hearing to tell the difference.

At the lower bit rates...160 and 128, do NOT bet a sound engineer that he can't tell the difference unless you really LIKE to lose. (-:

OF COURSE, what counts is individuals using their ears to hear and waveforms on a video screen don't prove anything.

I would GUESS that maybe 20% of the BIAB users could tell the difference between "regular" BIAB...the Audiophile version.

BUT....and this is KEY....what you hear depends on the AMPLIFIER and SPEAKERS (headphones) in use which makes it a truly..."quality in...garbage out" possibility.

Conversely, a GREAT audio set up won't help poor recording quality because if the data ain't there, it ain't there.

Personally, if I didn't have KNOWN highly critical hearing over most of the frequency spectrum AND A VERY HIGH QUALITY amplifier/speaker combo, the regular version should be JUST FINE.

Best,
Jim