FIELD: technology for recognition of speech, in particular, method and device for dynamic adjustment of beam in Viterbi search.
SUBSTANCE: method includes selecting beginning width of beam, finding out whether value of probability for frame changes, dynamic adjustment of width of beam, decoding of input speech signal, while width of beam is dynamically adjusted. Also proposed is device including processor, component for speech recognition, connected to processor, memory, connected to processor. Component for speech recognition automatically adjusts width of beam to decode input speech signal.
EFFECT: increased speech recognition reliability.
6 cl, 6 dwg, 4 tbl
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