Hello,
I have posted a couple of new ROS tutorials for those getting started
with either speech recognition or controlling a pan & tilt head:
* ROS by Example: Speech Recognition and Text-to-Speech (TTS)
<
http://www.pirobot.org/blog/0022>
* ROS by Example: Head Tracking in 3D (Part 2)
<
http://www.pirobot.org/blog/0023>
Please let me know if you run into any bugs.
--patrick