TIL that CD audio is at 44.1 kHz because humans can only hear up to 22.05 kHz and by the #Nyquist sampling theorem, if we sample at twice the frequency we get a perfect recreation.


@JordiGH A perfect recreation if you only take sample rate into account! Bitrate however is a far more interesting debate. Changing the bitrate can change the sound noticably. At what bitrate can we produce a perfect recreation from our perspective? The answer may come from analysing a spectrograph.

Sorry, this is a topic I'm a bit passionate about and I'm working on a project that considers these questions!

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