Dean,
 
I'm looking at some of the same questions, so the answers will be interesting to see.
 
I'm fairly new at Asterisk as well, but I believe Festival is a free TTS plug-in for Asterisk. 
 
I don't know about the underlying details of Asterisk, so I don't know how easily it would integrate with natural voices.  I remember that natural voices ran as a server.  To use it, you would essentially pass it your text string, and it would return your audio file.  I'm fairly certain this would plug into asterisk fairly easily. 
 
You can find some vendors of natural voices that will give you bulk discounts on the port pricing as well.  I remember someone quoting me as low as 250 a port, depending on the number of ports. 
 
Peter Hsu
 
p.s. I do believe you need the SDK.
----- Original Message -----
Sent: Thursday, July 07, 2005 8:21 PM
Subject: [Asterisk-biz] Text to Speech pricing

What are people's experience with implementing Good quality text to speech. AT & T natural voices is our preferred product (I don't think Cepstral is equal in quality) but I am having difficulty getting a clear answer on pricing for using it. I've heard anecdotally that its $995.00 for the Server Development Kit and $350.00 per port. That seems very steep. Is there better pricing around for similar quality. do you need the SDK?
 
Has anyone implemented AT & T on Asterisk is the implementation pretty straight forward?
 
Can anyone lend any advice on pricing and ease of implementation for this text to speech product or any others?
 
Thanks
 
Dean


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