I mainly want to generate white noise, to see how well I can use it to mask other sounds. A friend suggested "cat /dev/random > /dev/dsp" but this isn't consistent (nor, I believe, is it true white ...

A design idea for a white-noise generator is realized and revised. Two low-noise amplifiers (LNAs) in cascade amplify the noise produced by a reverse-biased Zener diode operating in junction-breakdown ...

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