APPARATUSES AND METHODS FOR MULTI-CHANNEL SIGNAL COMPRESSION DURING DESIRED VOICE ACTIVITY DETECTION

摘要

Apparatuses and methods are described to identify desired audio. A first input of an apparatus is configured to receive a main signal. A second input of the apparatus is configured to receive a reference signal. A normalizer is configured to normalize a compressed main signal by a compressed reference signal to create a normalized main signal. A single channel normalized voice threshold comparator is configured to receive as an input the normalized main signal and to output a desired voice activity detection signal.

主权项

1. An apparatus to identify desired audio, comprising:
a first input, the first input is configured to receive a main acoustic signal; a second input, the second input is configured to receive a reference acoustic signal; a normalizer, the normalizer is configured to normalize a compressed main acoustic signal by a compressed reference acoustic signal to create a normalized main acoustic signal; and a single channel normalized voice threshold comparator (SC-NVTC), the SC-NVTC is configured to receive as an input the normalized main signal and to output a desired voice activity detection signal.