[asterisk-speech-rec] SpeechBackground Problem

[Adam Robins]

Increasing the core debug and verbose to 999 shows nothing additional.

Looping back to SpeechStart instead of SpeechBackground does nothing.

But . . .

After the SpeechCreate, I added:

exten => 6000,n,SpeechProcessingSound(test-processing-sound) 

Now, it works.  Why, I have no idea.


I am also finding that the entire SR process is very unreliable.  It
gets the correct response only 20-30% of the time.  Often I can scream
into the phone and it says it received no sound at all.

If I can't get this to work 99.9% with a simple yes/no, I'm probably
going to abandon this for now.



-----Original Message-----
From: asterisk-speech-rec-bounces at lists.digium.com
[mailto:asterisk-speech-rec-bounces at lists.digium.com] On Behalf Of
Joshua Colp
Sent: Wednesday, October 11, 2006 6:24 PM
To: Discussing of speech recognition in Asterisk
Subject: Re: [asterisk-speech-rec] SpeechBackground Problem

Adam Robins wrote:
> I've set up the following dialplan logic to test the Asterisk/Lumenvox

> speech engine using a simple yes/no grammar.
> If the SRE does not detect a valid 'yes' or 'no', I play a message and

> then loop back to try again.  For some reason, when I loop back to the

> SpeechBackground command after the first time through, the audio from 
> the "test-say-yes-or-no"
> file is not audible, although the CLI shows it playing.  Any ideas?
Thanks.
>  
>  
> exten => 6000,1,Answer
> exten => 6000,n,SpeechCreate()
> exten => 
> 6000,n,SpeechLoadGrammar(yesno|/etc/asterisk/grammars/yesno.gram)
> exten => 6000,n,SpeechActivateGrammar(yesno)
> exten => 6000,n,SpeechStart()
>  
> exten => 6000,n(ask),Wait(1)
> exten => 6000,n,SpeechBackground(test-say-yes-or-no|3)
>  
> exten => 6000,n,NoOp(SPEECH(status)=${SPEECH(status)})
> exten => 6000,n,NoOp(SPEECH(spoke)=${SPEECH(spoke)})
> exten => 6000,n,NoOp(SPEECH(results)=${SPEECH(results)})
> exten => 6000,n,NoOp(SPEECH_SCORE(0)=${SPEECH_SCORE(0)})
> exten => 6000,n,NoOp(SPEECH_TEXT(0)=${SPEECH_TEXT(0)})
> exten => 6000,n,NoOp(SPEECH_GRAMMAR(0)=${SPEECH_GRAMMAR(0)})
>  
> exten => 6000,n,GotoIf($[${SPEECH(spoke)} = 0]?done) exten => 
> 6000,n,GotoIf($["${SPEECH_TEXT(0)}" = "yes"]?yes) exten => 
> 6000,n,GotoIf($["${SPEECH_TEXT(0)}" = "no"]?no)
>  
> exten => 6000,n(bad),Wait(1)
> exten => 6000,n,Playback(test-invalid-try-again)
> exten => 6000,n,Goto(ask)
>  
> exten => 6000,n(yes),Wait(1)
> exten => 6000,n,Playback(test-you-said-yes)
> exten => 6000,n,Goto(done)
>  
> exten => 6000,n(no),Wait(1)
> exten => 6000,n,Playback(test-you-said-no) exten => 6000,n,Goto(done)
>  
> exten => 6000,n(done),SpeechDeactivateGrammar(yesno)
> exten => 6000,n,SpeechUnloadGrammar(yesno) exten => 
> 6000,n,SpeechDestroy() exten => 6000,n,Hangup
>  
>  

Have you tried going to SpeechStart instead of directly back to
SpeechBackground? Turned up debug to see if anything interesting
appears?

--
Joshua Colp
Software Developer
Digium, Inc.
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