Are you meaning signal to noise? Or the ambience of the room it was recorded in?
On Oct 24, 2016, at 10:27 AM, Steven Smolian <[log in to unmask]> wrote:
> I don't know of any but want to be sure that this attribute falls into
> audio's "unmeasurables."
> Stereo creates so many ways of blurring sonic information that a channel
> comparative tool might be possible but unreliable- different ways of
> isolating instruments, artificial reverb, etc. But mono? I'm thinking
> particularly of acoustically recorded 78s.