A standard electret microphone can detect sub-audio "sounds" when some simple equalization circuitry is added.

"UMass Lowell is among the nation's leading centers for plastics technology, and its Plastics Engineering program...is helping to push new boundaries of how these versatile materials are used, ...

Shah said, "If he didn’t say RSS was involved in 26/11, let him stand up, turn on the mic, and clarify now." This challenge arose from Singh’s involvement in the 2010 release of the book "26/ ...

Trying to narrow down the best microphones for recording is a huge task. There are so many great microphones out there that I honestly struggled to single out a reasonable number of good microphones ...

Abstract: A bimorph lithium niobate (LN) transducer has been proposed as a microphone. Surface electrodes sense the lateral in-plane electric field in thin LN films resulting from out of plane ...

"Can I go home?" she vented to her glam squad in a hot mic moment while en route to her dressing room. "I thought Sutton [Stracke] was gonna be in the hot seat. I didn't realize I was gonna be in ...

Waveshare ESP32-S3-Touch-LCD-1.85C is an ESP32-S3 development kit with a 1.85-inch round touchscreen display with 360×360 resolution, support for Wi-Fi & Bluetooth BLE 5, and a built-in microphone.