Subject: Re: [speechsc] Confidence threshold and no-match

From: Dan Burnett <[email-masked]>
Date: Thu, 8 Jun 2006 05:51:03 -0700 (PDT)

Clarification applied to spec draft as proposed.

-- dan

--- Andrew Wahbe <[email-masked]> wrote:

> Section 9.4.1 of the latest MRCPv2 draft states
> that:
> 
> "If the recognizer determines that its confidence in
> any candidate match 
> is less than the confidence threshold, then it MUST
> return no-match as 
> the recognition result."
> 
> In section 9.4.4 it is stated that all alternatives
> in the n-best list 
> must be above the confidence threshold. This implies
> that we are talking 
> about the "pre-filtered" candidates section 9.4.1 --
> i.e. the list of 
> candidates before we have pruned those that are
> below the confidence 
> threshold.  In this case, it would seem that almost
> every recognition 
> would result in a nomatch as there is most likely a
> low confidence 
> candidate in any recognition.
> 
> I would imagine that the statement in 9.4.1 is a
> typo or error. I think 
> it should be rephrased as:
> 
> "If the recognizer determines that there is no
> candidate match with a 
> confidence that is greater than the confidence
> threshold, then it MUST 
> return no-match as the recognition result."
> > begin:vcard
> fn:Andrew Wahbe
> n:Wahbe;Andrew
> org:VoiceGenie Technologies INC.
> adr:8th Floor;;1120 Finch Avenue W.;Toronto;ON;M3J
> 3H7;Canada
> email;internet:[email-masked]
> title:Senior Architect
> tel;work:(416) 736-0905 ext. 258
> tel;fax:(416) 736-1551
> x-mozilla-html:TRUE
> url:http://www.voicegenie.com
> version:2.1
> end:vcard
> 
> > _______________________________________________
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> [email-masked]
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> 

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