$ lsusb | grep H4
Bus 001 Device 105: ID 1686:0045 ZOOM Corporation H4 Digital Recorder
$ cat /proc/asound/H4/stream0
ZOOM Corporation H4 at usb-0000:00:1a.7-4.2, full speed : USB Audio
Playback:
Status: Stop
Interface 1
Altset 1
Format: S16_LE
Channels: 2
Endpoint: 5 OUT (ADAPTIVE)
Rates: 44100, 48000
Capture:
Status: Stop
Interface 2
Altset 1
Format: S16_LE
Channels: 2
Endpoint: 5 IN (ASYNC)
Rates: 44100, 48000
I gave it a quick test with Audacity, and it seems to work fine, at least with the built-in mics. If you've got anything you'd particularly like me to test, let me know.
posted by lollusc at 3:06 AM on January 7, 2012