Provided by: sphinxbase-utils_0.8+5prealpha+1-3_amd64
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 -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 -lw Language model weight -mmap Use memory-mapped I/O for reading binary LM files -probdef definition file for classes in LM -text string to evaluate -uw Unigram probability weight (interpolated with uniform distribution) -verbose Print details of perplexity calculation -wip Word insertion probability
David Huggins-Daines <email@example.com>
Copyright © 2007-2008 Carnegie Mellon University. See the file COPYING included with this package for more information. 2008-05-12 SPHINX_LM_EVAL(1)