AAC

h1. AAC@IITM

Alternative and Augmentative Communication (AAC) is our effort to provide non-verbal individuals the ability to independently express their ideas. The platform being used is the BeagleBoard, revC. The final hardware will have
# Minimum 3-hr battery backup
# Software that works with a single-click
# Access is through two buttons, which can be programmed either as left-click or left and right clicks

h2. Current *Urgent* Problems

# Need espeak and wxpythons a female voice compiled for flite using festivox http://www.speech.cs.cmu.edu/flite/doc/flite_toc.html
# Need a wxpython package for the Angstrom distribution
# Need a minimal ubuntu distribution (defined package list)
## with a kernel image that recognizes keyboard input on GPIO can recognize a gpio as an event (mouse-click)
## scripts to ground two GPIO pins
# Need to understand amixer, and independently control two audio channels

h3. Open Problems

# Incorporate prediction into Hope (see e.g. Dasher)
# Local language version of Hope
# Need to finalize TTS, many possible solutions
## Male voice exists. Need female voice compiled for flite using festivox http://www.speech.cs.cmu.edu/flite/doc/flite_toc.html
## flite_hts_engine has only female voice
## espeak needs Indian languages
# Improvements to I-Draw
# Mouse-like interface by dividing up the screen into sections and zooming
# Software to teach mathematics
# Scroll type access to other programs like audio/video players, openoffice, etc