While refurbishing an ageing audio mixer, I decided that the level meters needed special attention. Their rather horrible 100 µA edgewise movements had VU-type scales, the drive electronics being just ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The unbridled development of radio broadcasting in the 1920s and 1930s demonstrated the need to ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. LAS VEGAS – TSL Professional Products Ltd., will introduce the new PAM PiCo Five Audio and ...

This circuit uses two quad op-amps to form an eight LED audio level meter. The op-amp used in this particular circuit is the LM324. It is a popular IC and should be available from many parts stores.

DEVICE PAIRING The advanced measurement solution is a wireless and smartphone-operated device that can be paired with dedicated mobile apps Local test and measurement company TANDM Technologies has ...

Given its appearance in one form or another in all but the cheapest audio gear produced in the last 70 years or so, you’d be forgiven for thinking that the ubiquitous VU meter is just one of those ...

We're almost all pretty good at using our phones to measure stuff, like counting calories, tracking walks, and ensuring our new shelf is level. But you know what we hardly ever think about? The volume ...

The term most often used in measuring the magnitude of sound. It is a relative quantity in that it is the ratio between the actual SOUND PRESSURE and a fixed reference pressure. This reference ...

EL PASO, Texas (KFOX14/CBS4) — The El Paso Police Department will soon have new digital sound level meters to help them keep bars and clubs in compliance with the city's noise ordinance. El Paso City ...

It’s been a while since the last installment in our Know Audio series, in which we investigated distortion as it applies to Hi-Fi audio. Now it’s time to return with part two of our look at distortion ...