Piezo contact microphone picks up voice through bone

https://www.electronics-lab.com/piezo-contact-microphone-picks-up-voice-through-bone/

Vesper of Massachusetts is claiming high fidelity for a MEMs piezo microphone that picks up the vibration of the user’s voice through the skull. Inside are the mems, an amplifier, and a power regulator. Called VA1200, the company describes it as “the world’s first analogue piezoelectric voice accelerometer. Unlike a traditional microphone, the VA1200 is […]