Sounds above 80 dB can cause hearing damage, and we should limit the exposure to prevent hearing loss. Decibel apps are a convenient way to measure volume fairly accurately with your phone. Our ...

Decibel Meter with A Weighting: TopTes TS-501A decibel meter uses a precise condenser microphone to capture sound. It’s equipped with A-weighting facilities that measure noise levels from 30 to 130 dB ...

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 ...

Decibel Meter with A Weighting: TopTes TS-501A decibel meter uses a precise condenser microphone to capture sound. It’s equipped with A-weighting facilities that measure noise levels from 30 to 130 dB ...

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 ...

I promised to devote this column to a consideration of how audio metering varies in level as a function of various weighting schemes and the B.S. 1770 algorithm. However, over the past month, I’ve ...

From time to time, many of us have suffered the scourge of noise pollution from high-decibel sound sources. In many instances, the Police for one reason or another do not enforce the noise pollution ...

One of the most difficult-to-understand terms for newcomers (and even experienced enthusiasts) in audio and sound reproduction is the decibel, partly because it’s a measure of relative intensity or ...

To keep check on noise pollution in the city, the Delhi police have procured 150 sound level meters to identify and prosecute people responsible for noise pollution. Sanjay Bhatia, DCP (Central) said ...

At the end of the DI for a Simple log-scale audio meter, I promised to show how to upgrade it to work better. With these fixes, it now has near-digital performance, with faster response and smoother ...