[asterisk-users] Cepstral and Asterisk

[Don]

Ahh...this is what I thought I might have to do...also...
It seems they are outputting to a tmp file with cepstral and then playing 
that file...instead of actually saying it on the fly in the dialplan.
If I do Cepstral(${foo}) it takes a damn long time to start heh...too long 
for any telecom app...

----- Original Message ----- 
From: "John Millican" <jmillican at sentinelcommunications.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Wednesday, August 16, 2006 9:10 PM
Subject: Re: [asterisk-users] Cepstral and Asterisk


> On Wednesday August 16 2006 7:01 pm, Don wrote:
>> Has anyone used Cepstral for text to speech before? I am testing the demo
>> and it seems to take about 20 seconds for the speech to start... On a
>> 3.4Ghz 2GB machine...
>>
>> Thanks,
>> Don
> Don,
> I have been using Cepstral for about a year now and it has worked very 
> well.
> It starts speaking almost immediately. You definitely know it is a 
> computer
> voice but thats okay for my application.
> The following is swift.agi that I found on voip-info.org (I cant remember 
> the
> author or I would credit him here, my apologies.)  The last line documents
> how to use.
> ##############################
> #!/bin/sh
>
> #Assign the value sent from the exten=> line to "$text" so it can be used
> below
> text=`echo $*`
>
> #Set $stdin to something
> stdin="0"
>
> while [ "$stdin" != "" ]
> do
>   read stdin
>    if [ "$stdin" != "" ]
>     then
>      stdin2=`echo $stdin | sed -e 's/: /=/' -e 's/"//g' -e 's/$/"/' -e
> 's/=/="/'`
>      eval `echo $stdin2`
>     fi
> done
>
> calleridnum=`echo $agi_callerid | cut -f2 -d\< | cut -f1 -d\>`
> calleridname=`echo $agi_callerid | cut -f1 -d\< `
>
> /opt/swift/bin/swift -o /tmp/$agi_uniqueid.wav -p
> audio/channels=1,audio/sampling-rate=8000 " $text "
>
> #Now, tell asterisk to play that file
> echo "stream file /tmp/$agi_uniqueid #"
>
> #Read the reply from asterisk to our command
> read stream
>
> #Clean up our mess and delete that file
> rm /tmp/$agi_uniqueid.wav
>
> exit 0
>
> #####  exten=> s,1,agi(swift.agi|This is some text\, which needs to be
> converted to speech.)
> ##########################################
>
> I have used this (on a very low call volume obviously) on as low end a 
> machine
> as PII 400 with 512 meg ram.
> Hope this helps
> -- 
> John Millican
> Senior Partner
> Director of Technology
> Sentinel Communications
> PO Box 9
> Wentworth, NH 03282
> (603) 764-9163
>
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