Patent ID: 9484028
Filing Date: 2016-11-01
CPC Classification: G10L

Claim Text:
1. A method comprising: receiving an acoustic input signal that includes a plurality of spoken words or phrases; and processing the acoustic input signal with a plurality of acoustic recognition processes to recognize a predetermined target sound within the acoustic input signal, wherein the acoustic input signal is temporally divided into a plurality of frames, wherein the plurality of acoustic recognition processes are implemented using a single Viterbi search of a plurality of states corresponding to acoustic units of an acoustic model of the predetermined target sound, the plurality of states including initial states and final states of the acoustic model, each initial state in the plurality of states being associated with successive frames in the plurality of frames, wherein, at each frame, one or more of the plurality of acoustic recognition processes determine whether the predetermined target sound has been recognized, and wherein a determination that the target sound has been recognized ends the processing of the acoustic input signal.