Audio metering is present in almost any equipment that plays or records audio – from cell phones displaying bar graphs of audio output levels, to home stereos with flashing LEDS, to live broadcasting.

The circuit shows the peak level of the audio input using MOSFET Op-Amp. Audio level meters are designed to allow the optimum setting of input level for various sound functions. It utilizes a Metal ...

Over the summer [ElectroSmash] put the finishing touches on the Arduino Audio Meter, a shield for the Arduino Uno that visualizes various aspects of an incoming audio signal on a set of four 8×8 LED ...

The world of music production is strewn with complex meters and visual indicators that all aim to show you what you’re hearing. This guide aims to clear up what you’re seeing… When you purchase ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Figure 1. The typical levels in analog voltage measurement. Click here to see an enlarged diagram ...

The ElectroSmash website has featured a new Arduino Audio Meter which takes the form of a programmable guitar pedal based on the Arduino UNO development board. Providing users with the ability to read ...