AUM is quite the swiss army knife.
docs are hereafter using it for a bit (and rereading your notes above), it can do what i need to do
pretty basic. connect device. settings>check bit depth an sample rate > add stereo input 1+2, add stereo input 3 +4, arm both, and record.
**however one needs to save session after recording!!! it apparently doesnt autosave files when recording stops** I'm guessing this would not bode well for recovering files lost in power outage. In fact, files that ran long (somewhere around 120 minutes at 24/32) were pre-pended with 'rescue' but in fact were 14KB in size and irrecoverable
it took me a while to figure out how to get the recordings off the phone. according to the docs "The recordings are written directly into the file space of
AudioShare, the audio file manager for iOS."
so I then bought that app for $4 (which seems to be an excellent simple 2-channel recording app in its own right), but couldn't access the files via copytrans, until i drop them into "itunes file sharing". They then become available in copytrans under the audioshare app. I guess the other apps were using "itunes file sharing" the whole time and i never knew it