Elliptic Labs and Maxim Integrated are targeting next-generation smart devices to run critical and innovative user experiences, like presence detection and 3D touchless gesture sensing. Maxim Integrated’s MAX98396 smart audio amplifier is an ultrasound-ready Class D/G audio amplifier that features the industry’s lowest quiescent power and the lowest noise. These capabilities are utilized in applications like smart TVs, smart speakers, and laptops, to provide features like security through automated screen locking and intuitive controls for users enjoying music and video.
Source: https://www.helpnetsecurity.com/2021/07/28/elliptic-labs-maxim-integrated/