Method and Apparatus for Adjusting Trigger Parameters for Voice Recognition Processing Based on Noise Characteristics

A device configured to perform voice recognition, the device comprising:

• at least one acoustic transducer configured to receive an acoustic signal comprising a speech signal and noise;
• a voice-recognition module configured to perform voice recognition processing on the speech signal;
• and
• a processing element configured to:
• determine a noise profile for the acoustic signal, wherein the noise profile identifies a level and stationarity of the noise;
• and
• adjust the voice recognition module by adjusting a trigger threshold related to voice recognition based on the noise profile, wherein the trigger threshold comprises at least one of a trigger threshold for phoneme detection, a trigger threshold for phrase matching, or a trigger for speaker verification.