[asterisk-users] Speech recognition in asterisk using google voice API

[Danny Nicholas]

Two more "offerings" - #1 - add DTMF parameter so function can be stopped by
pressing a digit or digits other than * or #  - #2 - add an option to
"silence" the beep.  If you were using this in an IVR and wanted to say
"press 1 or say help for help",  silencing the beep before recording would
(IMO) make the rendering sound more "professional"/less "mechanical".

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Lefteris
Zafiris
Sent: Saturday, January 07, 2012 6:22 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Speech recognition in asterisk using google
voice API

On 01/07/2012 09:34 AM, Bruce B wrote:
> Added two new features to the script: Timeout value and speechdata type.
> 
> *exten => s,n,agi(speech-recog.agi,en-US,3000,phoneNumb)*
> - Will listen for 3 seconds and sanitize return as a single number 
> without any spaces in between. This helps when one reads phone number 
> in format
> 415-554-2323 and google returns, "415 554 2323" as result which is not 
> very usable.
> 
> *exten => s,n,agi(speech-recog.agi,en-US,20000,string)*
> - Will listen for 20 second and return result as provided by Google 
> untouched.
> 
> It would be great to see them in future versions as I seem to need 
> them dearly in a real life scenario.
> 
> Updated script attached.
> 
> -Bruce

Thank you Bruce for the testing and the suggestions.
Both features added in the script. Timeout can now be set by the user, also
-1 means no timeout and the recording keeps going till # is pressed.
Space gets stripped between digits, this is now the default behavior and
there's no need to determine the 'speechdata' type.
The updated code can be found here:
https://github.com/zaf/asterisk-speech-recog/tarball/master

Next on my TODO list is to make use of the asterisk speech recognition API
(https://wiki.asterisk.org/wiki/display/AST/Speech+Recognition+API)
This will make the application actually usable for real case scenarios and
not a proof of concept as it is now.

----------------
Lefteris Zafiris

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