sphinx_lm_eval − Evaluate perplexity of a transcription
sphinx_lm_eval [ options ]...
This program evaluates the perplexity of a text file according to a given language model. The text file is assumed to be in transcript format, i.e. one utterance per line, delimited by <s> and </s>.
−help |
Shows the usage of the tool |
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−lm |
model file |
−lmctlfn
file listing a set of language models
−lmname
of language model in −lmctlfn to use for all utterances
−logbase
Base in which all log-likelihoods calculated
−lsn |
file to evaluate |
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−lw |
Language model weight |
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−mmap |
Use memory-mapped I/O for reading binary LM files |
−probdef
definition file for classes in LM
−text |
string to evaluate |
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−uw |
Unigram probability weight (interpolated with uniform distribution) |
−verbose
Print details of perplexity calculation
−wip |
Word insertion probability |
David Huggins-Daines <dhuggins AT cs DOT cmu DOT edu>
Copyright © 2007-2008 Carnegie Mellon University. See the file COPYING included with this package for more information.