sphinx_lm_eval
Evaluate perplexity of a transcription
- Provided by: sphinxbase-utils (Version: 0.8+5prealpha+1-13build1)
- Source: sphinxbase
- Report a bug
SYNOPSIS
sphinx_lm_eval [ options ]...
DESCRIPTION
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
AUTHOR
David Huggins-Daines <dhuggins@cs.cmu.edu>
COPYRIGHT
Copyright © 2007-2008 Carnegie Mellon University. See the file COPYING included with this package for more information.