Vista "Start Listenting" VS
Speech.Recognition.SpeechRecognitionEngine... need help

Not sure where to turn to get community support for programming with the 
speechrecognitionengine namespace, maybe someone here can help or point me 
in the right direction.

I create a grammer with gramarbuilder
            Dim gb As New GrammarBuilder(c)
            Dim g As New Grammar(gb)
            g.Enabled = False
            sp.LoadGrammarAsync(g)

I make my keyword to listen for "Start Listening" just like Vista.

I start the engine
            sp.RecognizeAsync(RecognizeMode.Single)

I then read outloud any generic page on the web... and it way to often fires 
the SpeechRecognized event with phrases that don't come close.

I THEN close my program and turn on Vista Speech Recognition and read the 
same page. Until I actually say "start listening" it doesn't fire.
What is 
different? What can I do to get my recognition to be similar to that of 
Vista... isn't it the same engine? (FYI - VS2008 and 3.5 framework) 

Hi Jason,

You could have your application inspect the Confidence property for each 
"start listening" recognition and if it's below a certain threshold
don't 
have your application act on it.

To find a good threshold I suggest you start by logging the confidence 
scores for the things that are getting recognized as "start
listening". 
Once you've logged the confidence scores from a handful of correct and 
incorrect recognitions you should have enough data to pick a good confidence 
threshold for this task.

-- Steve Meyer

This posting is provided "AS IS" with no warranties, and confers no
rights.

"Jason" <xx1234xx@hotmail.com> wrote in message 
news:eHDAHuQeIHA.1168@TK2MSFTNGP02.phx.gbl...
> Not sure where to turn to get community support for programming with the 
> speechrecognitionengine namespace, maybe someone here can help or point me

> in the right direction.
>
> I create a grammer with gramarbuilder
>            Dim gb As New GrammarBuilder(c)
>            Dim g As New Grammar(gb)
>            g.Enabled = False
>            sp.LoadGrammarAsync(g)
>
> I make my keyword to listen for "Start Listening" just like
Vista.
>
> I start the engine
>            sp.RecognizeAsync(RecognizeMode.Single)
>
> I then read outloud any generic page on the web... and it way to often 
> fires the SpeechRecognized event with phrases that don't come close.
>
> I THEN close my program and turn on Vista Speech Recognition and read the 
> same page. Until I actually say "start listening" it doesn't
fire. What is 
> different? What can I do to get my recognition to be similar to that of 
> Vista... isn't it the same engine? (FYI - VS2008 and 3.5 framework)