Sound is pressure — the louder the sound, the greater the pressure. The greater the pressure, the more damage it can do to your ears. If you’re in a noisy environment, it’s important to know how ...

An audio volume-unit meter displays peak-related audio amplitudes to aid in accurately setting recording levels or for displaying an amplifier's operating conditions. A simple diode and capacitor ...

Measuring equipment such as SPL (Sound Pressure Level) decibel meters may seem daunting, but this article by [Shawon M. Shahryiar] shows that making your own need only have two essential ingredients: ...

Aldermen unanimously passed an amended noise ordinance that includes decibel threshold readings and approves the purchase of a decibel meter that will make it easier to enforce noise regulations.

This sound level meter circuit can be used to control the intensity of a sound recording or in a disco. It has 5 measurement domains between 70 and 120 dB; reading accuracy is 0.5 dB. Microphone M1 is ...

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 ...