The system proposed by our builder was hideously proprietary, and apparently
violated the GPL. Just couldn't do it...
-## System Design
+## System Design ##
Our builder had a sub-contractor install ceiling-mounted speakers in each
of 9 zones in our house. Each zone has a local impedance-balancing volume
circuit board is 2.75 x 1.25 inches and less than an inch thick fully
populated.
+<a href="usbclassd-v0.1.jpg"> <img src="usbclassd-v0.1-thumb.jpg"></a>
+
A set of these boards, one per
"zone", each attach to the speaker wires, a DC power supply, and a USB hub
that is attached to a Debian system in the mech room.
various zones, and volume controls the zones .. all controllable from a web
browser or Android application.
+## Artifacts ##
+
+The prototype hardware design current gEDA files are available from
+[git.gag.com](http://git.gag.com) in the project
+[hw/usbclassd](http://git.gag.com/?p=hw/usbclassd;a=summary).
+
+## Future Plans ##
+
More details will be posted soon!