Patent ID: 8249872
Filing Date: 2012-08-21
Classification: G10L

Abstract:
1. A method for notifying at least one entity of an occurrence of an event in an audio signal, the method comprising: obtaining at least one preference from the at least one entity; processing the audio signal to determine an occurrence of an event therein based on the audio signal, wherein the event is related to at least one of at least one speaker and at least one topic; and notifying the at least one entity of the occurrence of the event in the audio signal, in accordance with the at least one preference; wherein the step of processing the audio signal to determine an occurrence of an event therein based on the audio signal further comprises the step of detecting a change in the at least one speaker by: generating a speech signal by removing at least one region of non-speech from the audio signal; and detecting a change in the at least one speaker by analyzing the speech signal with a plurality of adjacent sliding windows, each of the plurality of adjacent sliding windows applying at least one model of acoustic vectors, wherein the plurality of adjacent sliding windows are used to compare the at least one speaker of the speech signal within a time frame f, before and after a time t.