Understanding the sources and causes of acoustic noise of machines or system components under investigation is becoming more and more important in development, experimentation, production sampling, ...

It probably can’t have taken long after the first spectrum waterfall display was created, before somebody had a go at creating a waveform that would create an image in the waterfall. We don’t know who ...

This real-time audio spectrogram utilizes a standard VGA monitor to compute and display the frequency spectrum of an audio signal. This real-time audio spectrogram utilizes a standard VGA monitor to ...

Current sleep staging practice consists of visual analysis of 30-second segments of raw EEG wave forms (top) and subjective categorization into sleep stages to create a hypnogram (middle), which is ...

As it stands today, the search for extraterrestrial intelligence is highly dependent on our ability to detect interesting candidate signals, or technosignatures, in radio telescope observations and ...