If you’ve hung around electronics for any length of time, you’ve surely heard of the decibel (often abbreviated dB). The decibel is a measure of a power ratio. Actually, the real measure is a bel, but ...

Due to its large dynamic range, the decibel is a useful unit of measure and is used in various applications, mainly in the ...

Last month, we introduced the concept of thermal noise and noise figure (NF), and we broke down the acronym AWGN (Additive White Gaussian Noise) into its component parts. Gaussian properties, which ...

Brace yourself for the disclaimer: Everything that I set before you should be read with the idea that “this is how I've come to understand it.” If somebody catches something that's flat-out wrong, or ...

Blocking out the world has never required so much quick-computing math and electronic know-how as the latest tech involved in noise-cancelling headphones and earbuds. As we don over-ear headphones or ...