notes about whole house audio talk, pointers to video and presentation deck

[web/gag.com] / electronics / audio / wholehouse / index.mdwn

diff --git a/electronics/audio/wholehouse/index.mdwn b/electronics/audio/wholehouse/index.mdwn
index 035088320a2cbba0feb8b0cf6ed77488d9ed2488..5b30105690a969ad82537b5c83e71763a4dc90c7 100644 (file)
--- a/electronics/audio/wholehouse/index.mdwn
+++ b/electronics/audio/wholehouse/index.mdwn
@@ -10,7 +10,7 @@ to be an audiophile-level system.
 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
@@ -29,6 +29,8 @@ much power.  So we built the system using the 30 watt per channel parts.  The
 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.  
@@ -38,4 +40,17 @@ system runs software that controls audio stream sources, maps them to the
 various zones, and volume controls the zones .. all controllable from a web 
 browser or Android application.
 
-More details will be posted soon!
+## 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).  
+
+Bdale gave a [talk](http://youtu.be/gMTKyW6MXME) at Linux Conf Australia
+in January 2016, [slides here](http://gag.com/bdale/talks/2016/lca), which 
+led to [an LWN article](http://lwn.net/Articles/674191/) by Jon Corbet. 
+
+## Future Plans ##
+
+The initial design is working very well.  We're pondering the possibility of
+making enough boards to sell, watch this space for more details!