> Also: 44.1kHz sampling rate != arbitrary waveform up to 22050Hz, unless music ... | Hacker News

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		Rubberducky1324 9 days ago \| parent \| context \| favorite \| on: 50% of U.S. vinyl buyers don't own a record player > Also: 44.1kHz sampling rate != arbitrary waveform up to 22050Hz, unless music you're listening to consists of pure sine waves Every signal can be represented as a combination of pure sine waves. That insight is the basis of Fournier analysis / transform.

HPsquared 9 days ago [–]

It's also (pretty much) how sound is processed by the inner ear. The different little hairs each pick up different frequencies.

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