[asterisk-users] cepstral vs festival

[Danny Nicholas]

Festival is a free voice that sounds like a machine.  Cepstral is a fee
based "human" voice ($30 USD per voice per CPU).  They are similar in that
they both produce mechanically timed output.  IMO, you should use festival
if this isn't a customer based interface.  If it is a CBI, use cepstral and
if you don't like it, recreate the wav files it plays (The English language
is only based on about 1700 sounds).  Cepstral is your choice if your IVR is
going to be "asterisk interlaced" since all asterisk voices are "Cepstral
Allison" out of the can.

 

  _____  

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Eric Fort
Sent: Tuesday, December 02, 2008 2:53 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] cepstral vs festival

 

I'm about to begin working on an ivr project to do database backed
scheduling.  I would like to use text to speech in some places.  What are
the differences in using festival vs. Cepstral?  How are they similar, how
are they different?  Is one really better than the other?  How and Why?

Thanks,

Eric

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