METHOD, DEVICE AND COMPUTER PROGRAM FOR SEARCHING FOR KEYWORDS IN A SPEECH SIGNAL

摘要

A method of identifying at least one keyword in a speech signal, comprising the steps of: a / performing a search for a sequence of sub-lexical units obtained by conversion of the keyword, in a sequence of sub-lexical units obtained by conversion of the speech signal, b / detect segmentation marks in the speech signal, etc. / use the segmentation marks detected in step b / to validate or invalidate the results of the search for step a /.