| You can spend thousands of dollars on a free-field microphone. But before you do, consider this MEMS-based design, which will give you super...
| You can spend thousands of dollars on a free-field microphone. But before you do, consider this MEMS-based design, which will give you super...
| A microphone is a sensitive device producing a weak output signal that must be processed with care. This preamplifier does just that. It eve...
| Coronavirus will not be the only reason that 2020 will be a year that remains in memory; it will also be because a lot of us were suddenly i...
| The following principle applies to ultrasonic sensors. But it also works in the audible range with two piezo transducers.
| A standard electret microphone and a single-transistor amplifier provide an audio signal that can be processed by an Arduino’s analog input....
| The COVID-19 crisis catapulted many of us into the world of online meetings. Poor quality of video during online meetings is, alas, to be ex...
| While a PC’s ‘line’ input generally offers acceptable characteristics, ‘mic’ inputs typically have only mediocre noise and distortion levels...
| The alarm clock (radio) has seen two significant improvements since its invention. The first is the snooze button, and the second we present...
| Is it possible to make an inexpensive microphone with a phantom power supply? This is an interesting challenge when you’re starting with a c...
| When the ISM frequency band was made available in Europe for audio applications, Circuit Design, a manufacturer of professional RF modules,...
