Typically, wake-on-sound microphones have limited processing power and require the main system processor to recognize commands; however, ST's microphones utilize the computational capabilities of the DSP group to recognize commands without activating the main system. STMicrophone solutions employ the DSP group's HD Clear ultra-low power audio processing chip to significantly reduce energy consumption, extending equipment lifespan by years without the need for recharging or replacement.

"It is not simply about listening to voice; it can instantly understand commands without utilizing the main processor's power and computational resources," said an ST Sensors representative. "This smart integration is key to implementing voice interfaces added to IoT products and applications, including Industry 4.0."