Radar has long promised a way to watch human movement without cameras: no faces captured, no privacy-invading imagery, just ...

Phosphor is a free spectral synthesis tool for MacOS that lets you paint directly onto a spectrogram and hear the result. Here's more details direct from the developer... Phosphor is a free spectral ...

Massachusetts General Hospital (MGH) investigators have developed a novel approach to analyze brainwaves during sleep, which promises to give a more detailed and accurate depiction of ...

The radio hackers in the audience will be familiar with a spectrogram display, but for the uninitiated, it’s basically a visual representation of how a range of frequencies are changing with time.

Real-time spectrum analysis lets you analyze captured time domain data using a power-versus-frequency spectrogram display. A spectrogram has three axes: The horizontal axis represents frequency. The ...