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Notes on procedural noise, sleep audio, and the strange economics of YouTube's white-noise economy.
Spectrally pure white noise has a flat slope (0 dB/oct). The 19 most popular YouTube "white noise" videos averaged a slope of −9.46 dB/oct — closer to brown than white. We also analysed 22 pink and 21 brown videos. Almost none were what they claimed to be. Plus: which ones loop, which are mono, and what to do about it.
Read →A complete tour of the noise colors. What each one is, what they sound like, what they're used for, and why grey noise is the conceptual outlier.
Read →Pink and brown noise sound similar at first listen and are often used interchangeably. They're not the same. Pink is balanced; brown is deep and rumbly. Here's the practical breakdown.
Read →NoiseMoon listens to your room for ten seconds and tunes the noise to mask whatever's loudest. Here's exactly how it works, why it works without sending anything to a server, and when to use it.
Read →Almost every "noise" app, YouTube video, and Spotify track plays a short audio file on repeat. Procedural noise is generated continuously and never repeats. The difference is small in the first minute and decisive over hours.
Read →