Hi Jason, I've been playing with ASR/TTS and FS for the last 3 months. The best TTS engine I've tried so far is from Nuance, unfortunately their product is not available to the public (even the demo) and is quite expensive. I have tested Cepstral and Loquendo voices, but none of them are close to Nuance's product. So it will depend on how professional you want your voices to sound, and of course your budget. From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Jason Moran Sent: Tuesday, August 02, 2011 11:57 AM To: freeswitch-users@lists.freeswitch.org Subject: [Freeswitch-users] TTS/unimrcp engines I'm trying to wrap up which TTS engine we will use over unimrcp. We'll use between 10 and 40 simultaneous TTS lines. So far I have tested the new IVONA mrcpv1 plugin but I am waiting on their dev's to work out a few issues I uncovered. Which TTS engines have been successfully used by others? I've heard good things about Loquendo, but I have had problems getting in contact with them. Acapela sounds nice on their website - does anybody know how their unimrcp plugin sounds? Cepstral is cheap, but it seems as though they do not have a current release for Open Suse 11.6 (32bit). Any others? Recommendations? -Jason