The Devil said

Differences in sound between different makes of gear, and cables, dude. Ya use yer ears for that, not some scientific device.

Muhahahaha!! You're not serious are you, muchacho? Only the madest of mad muthas would do that......................................

Stallion, who he? Dude, I'm only usin' your example of the murmur thingy to show that the same principle can also be applied to hi-fi.