This is the command sphinx_lm_eval that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
sphinx_lm_eval - Evaluate perplexity of a transcription
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
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