The electret microphone capsule is similar to those commonly used in telephones, cassette recorders, and computers. The element functions as a capacitor with a fixed trapped charge. Sound pressure ...

The CS53L30 is an ultra low power, high performance, quad-channel A/D Converter designed to enhanced voice processing features such as noise suppression, acoustic echo cancellation and multi-channel ...

This device from Boston-based Vesper converts sound waves to electricity. And it’s coming to voice-activated trash cans. That smart speaker in your kitchen doesn’t turn off in between your requests.

Professional condenser microphones require a 48-V supply to charge the internal capacitive transducer and power the internal buffer for the high-impedance transducer output. You can use a simple boost ...

As digital assistants like Siri and Alexa become more intelligent, there’s a growing need for them to always be accessible. Current microphone tech has been too power-hungry to keep permanently ...

BINGHAMTON, NY - Would you want a spider web inside your ear? Probably not. But if you're able to put aside the creepy factor, new research from Binghamton University, State University of New York ...