Patent ID: 6078882
Filing Date: 2000-06-20
Classification: G10L

Abstract:
A speech spurt extraction and speech reproduction method comprising the steps of,at a speech spurt extraction side:extracting speech spurts consisting of significant speech in a voice signal;extracting speech during hangover periods defined as a particular period immediately following transitions of said speech spurts to pauses;measuring incoming external noise levels during the pauses; andproducing an extracted voice signal consisting of the extracted speech spurts and extracted speech during the hangover periods, producing measured results of the external noise levels, and producing information for identifying the speech spurts, hangover periods and pauses, andat a speech reproduction side:deciding the speech spurts, hangover periods and pauses;generating a third signal from the external noise levels transmitted;adjusting levels of the extracted voice signal during the hangover periods;adjusting the third signal during the hangover periods; andproducing during the speech spurts the extracted voice signal, producing during the hangover periods a mixture of the extracted voice signal and the third signal, which undergo adjustment, and producing in the pauses the third signal.