The human voice is the most valuable biosignal for communication; humans can speak 150 words per minute on average but can type only 40 words. The human voice is essential in telecommunication, human-machine interaction (HMI), and the Internet of things (IoT).
The primary limitation of wireless technology today is that every charger needs its unique power supply. The global over-the-air wireless charging marketĀ is estimatedĀ to expand rapidly at a staggering CAGR of 30% from now to 2025.