AUTOMATIC GAIN CONTROL FOR SPEECH RECOGNITION ENGINE IN FAR FIELD VOICE USER INTERFACE

摘要

An system and method for instantaneously adjusting input speech level of back-end ASR to the target level. The technology as disclosed and claimed herein is an AGC that can more rapidly adjust to the input speech level loudness to improve the performance of the back-end ASR engine without causing modulation or other artifacts in the speech signal.