iZotope's RX4 has something called "deReverb", although I have not tried it. https://rxcookbook.izotope.com/reducing-reverb-rx-de-reverb-module Marcos Sueiro Bal Senior Archivist, New York Public Radio 646 829 4063 -----Original Message----- From: Association for Recorded Sound Discussion List [mailto:[log in to unmask]] On Behalf Of Steven Smolian Sent: Monday, October 24, 2016 2:37 PM To: [log in to unmask] Subject: Re: [ARSCLIST] Ambience Ambience of the room. Steve -----Original Message----- From: Association for Recorded Sound Discussion List [mailto:[log in to unmask]] On Behalf Of Lou Judson Sent: Monday, October 24, 2016 2:21 PM To: [log in to unmask] Subject: Re: [ARSCLIST] Ambience Are you meaning signal to noise? Or the ambience of the room it was recorded in? <L> Lou Judson Intuitive Audio 415-883-2689 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. > > Steve