I was just asking if Kim was using Flite or something else. If he had gotten Flite to output to /dev/audio, he would have solved one of my current problems and I would have begged to see what he did. :)

As Rob said, I'm using offline created PCM samples, which are generated with AT&T Labs Natural Voices which is the best TTS I've ever heard and which can be freely used.

For the navigation system, it works fairly well. I mostly need numbers anyhow, and I can easily represent any decimal or floating-point number between 0 and 999 in high quality with a single 400KB WAV file. For other speech prompts I need to generate them manually one by one.

Kim