Beings from outer space attempt to contact you nightly, but noise and tall buildings hamper their communications. We call these spaced-out beings deejays; they usually radiate on frequencies between ...

The first image is a graph of data extracted from the paper ‘The Psychoacoustics of Multichannel Audio’ by J. Robert Stuart. Jeff Keith commented, ‘I found this paper online about two years ago and ...

Telltale signs of multipath are the fluctuations in the signal-to-noise ratios (SNRs) reported by some GNSS receivers. In this month’s column, the authors look at how an analysis of SNR values can be ...