[Resolved] How to reject out-of-vocabulary utterances? – Politepix /forums/topic/language-recognition-problem/feed/ Tue, 23 Apr 2024 14:39:19 +0000 https://bbpress.org/?v=2.6.9 en-US /forums/topic/language-recognition-problem/#post-8198 <![CDATA[[Resolved] How to reject out-of-vocabulary utterances?]]> /forums/topic/language-recognition-problem/#post-8198 Thu, 01 Dec 2011 09:59:37 +0000 jerry e.g in the “.languagemodel”there are [eat, fat, love], when I said [ear], it will return [eat]. but I want to get a null result.
what should I do?thanks!

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/forums/topic/language-recognition-problem/#post-8199 <![CDATA[Reply To: language recognition problem]]> /forums/topic/language-recognition-problem/#post-8199 Thu, 01 Dec 2011 12:00:42 +0000 Halle Winkler Hi Jerry,

This is the OOV utterance problem — here is the relevant Pocketsphinx FAQ entry:

http://cmusphinx.sourceforge.net/wiki/faq#qcan_pocketsphinx_reject_out-of-grammar_words_and_noises

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/forums/topic/language-recognition-problem/#post-8203 <![CDATA[Reply To: How to reject out-of-vocabulary utterances?]]> /forums/topic/language-recognition-problem/#post-8203 Thu, 01 Dec 2011 12:33:56 +0000 jerry Thank you!
I will see that. ^_^

hi!

I saw the doc .But It’s difficult to understood for this: “However, since a phone loop should give us better rejection than confidence scores, I propose that we implement a phone loop in the FlatLinguist as a first attempt. It should be fairly easy to expand the unknown word <unk> into an all-phone self-looping network. As a starter, context-independent phones will be used, since context-dependency was shown to not matter in this case. If a result contains the <unk> word, the utterance can possibly be out-of-grammar. We leave it to the application developer to determine that. “.

1.what the “phone loop” mean?

2.how to use “<unk>“? Is there a sampleCode for Implementation Details?

thx a lot~

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/forums/topic/language-recognition-problem/#post-8209 <![CDATA[Reply To: How to reject out-of-vocabulary utterances?]]> /forums/topic/language-recognition-problem/#post-8209 Fri, 02 Dec 2011 06:50:52 +0000 jerry hi Halle,
I saw the doc .But It’s difficult to understood for this: “However, since a phone loop should give us better rejection than confidence scores, I propose that we implement a phone loop in the FlatLinguist as a first attempt. It should be fairly easy to expand the unknown word <unk> into an all-phone self-looping network. As a starter, context-independent phones will be used, since context-dependency was shown to not matter in this case. If a result contains the <unk> word, the utterance can possibly be out-of-grammar. We leave it to the application developer to determine that. “.
1.what the “phone loop” mean?
2.how to use “<unk>“? Is there a sampleCode for Implementation Details?
thx a lot~

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/forums/topic/language-recognition-problem/#post-8211 <![CDATA[Reply To: How to reject out-of-vocabulary utterances?]]> /forums/topic/language-recognition-problem/#post-8211 Fri, 02 Dec 2011 08:31:02 +0000 Halle Winkler Hi Jerry,

Since these are questions about the implementation of Pocketsphinx it would be better to ask them at the CMU Sphinx site.

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/forums/topic/language-recognition-problem/#post-11115 <![CDATA[Reply To: How to reject out-of-vocabulary utterances?]]> /forums/topic/language-recognition-problem/#post-11115 Fri, 14 Sep 2012 15:03:09 +0000 Halle Winkler Updated: you can now handle out of vocabulary rejection using Politepix’s Rejecto plugin for OpenEars.

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<![CDATA[ <p>e.g in the “.languagemodel”there are [eat, fat, love], when I said [ear], it will return [eat]. but I want to get a null result.<br /> what should I do?thanks!</p> ]]>
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<![CDATA[ <p>Hi Jerry,</p> <p>This is the OOV utterance problem &#8212; here is the relevant Pocketsphinx FAQ entry:</p> <p><a href="http://cmusphinx.sourceforge.net/wiki/faq#qcan_pocketsphinx_reject_out-of-grammar_words_and_noises" rel="nofollow">http://cmusphinx.sourceforge.net/wiki/faq#qcan_pocketsphinx_reject_out-of-grammar_words_and_noises</a></p> ]]>
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<![CDATA[ <p>Thank you!<br /> I will see that. ^_^</p> <p>hi!</p> <p>I saw the doc .But It&#8217;s difficult to understood for this: <strong>&#8220;However, since a phone loop should give us better rejection than confidence scores, I propose that we implement a phone loop in the FlatLinguist as a first attempt. It should be fairly easy to expand the unknown word &lt;unk&gt; into an all-phone self-looping network. As a starter, context-independent phones will be used, since context-dependency was shown to not matter in this case. If a result contains the &lt;unk&gt; word, the utterance can possibly be out-of-grammar. We leave it to the application developer to determine that. &#8220;.</strong></p> <p>1.what the &#8220;phone loop&#8221; mean?</p> <p>2.how to use &#8220;<strong>&lt;unk&gt;</strong>&#8220;? Is there a sampleCode for Implementation Details?</p> <p>thx a lot~</p> ]]>
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<![CDATA[ <p>hi Halle,<br /> I saw the doc .But It’s difficult to understood for this: “However, since a phone loop should give us better rejection than confidence scores, I propose that we implement a phone loop in the FlatLinguist as a first attempt. It should be fairly easy to expand the unknown word &lt;unk&gt; into an all-phone self-looping network. As a starter, context-independent phones will be used, since context-dependency was shown to not matter in this case. If a result contains the &lt;unk&gt; word, the utterance can possibly be out-of-grammar. We leave it to the application developer to determine that. “.<br /> 1.what the “phone loop” mean?<br /> 2.how to use “&lt;unk&gt;“? Is there a sampleCode for Implementation Details?<br /> thx a lot~</p> ]]>
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<![CDATA[ <p>Hi Jerry,</p> <p>Since these are questions about the implementation of Pocketsphinx it would be better to ask them at the CMU Sphinx site.</p> ]]>
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<![CDATA[ <p>Updated: you can now handle out of vocabulary rejection using Politepix&#8217;s <a href="/shop/rejectodemo" rel="nofollow">Rejecto</a> plugin for OpenEars.</p> ]]>
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