IP3 2023 – Smart Devices 2 (LOT 13366)

This lot is generally related to a voice recognition system to reduce background noise and improve voice quality. Disclosed is a technique to receive a first voice input, determine an environmental audio level, a first gain adjustment value based on the environment audio, and adjust a microphone gain value. Also disclosed are techniques to receive a second input as a human voice from the microphone, determine clarity level of the human voice by adjusting the first gain-adjust value, determine second gain value to improve clarity level of the human voice, and adjust the second gain-adjust value. The technology may be implemented in mobile devices, speech recognition systems, audio processing systems, etc.