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Definitions

Unigram models: frequency, probability of single words:

tex2html_wrap_inline1877

Bigram, digram models: frequency, probability in the context of one preceding word (i.e. probability of pairs):

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n-gram: probability of sequences of words of length n

Estimates of prior (a priori) probabilities of words for speech recognition:

tex2html_wrap_inline1883

where tex2html_wrap_inline1885 is the acoustic model
and tex2html_wrap_inline1887 is the language model


Dafydd Gibbon
Fri Nov 28 02:24:58 MET 1997