METHOD AND APPARATUS FOR EXTRACTING ISOLATED SPEECH WORD

摘要

METHOD AND APPARATUS FOR EXTRACTING ISOLATED SPEECH WORD The isolated speech word is extracted from an input speech signal. First, the speech signal is divided into a high frequency band signal and a low frequency band signal, the power levels of each of the high and low frequency band signals are independently compared with respective threshold levels, and the front and the end of the speech word are detected through these independent comparisons.