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That makes sense, I never knew that. Thanks! Now I wonder where the Audio CD 44.1k sample rate came from. 44,100 divided by 75 is 588 samples per channel. That
by pavlov 3y ago
That makes sense, I never knew that. Thanks!
Now I wonder where the Audio CD 44.1k sample rate came from. 44,100 divided by 75 is 588 samples per channel. That doesn't seem like a particularly useful number, whereas 48k / 75 is a more appealing 640.
- sp332 3y agoThe audio format was copied from an earlier standard developed for storing sound on video tape. https://stason.org/TULARC/pc/cd-recordable/2-35-Why-44-1KHz-Why-not-48KHz.html https://stason.org/TULARC/pc/cd-recordable/2-35-Why-44-1KHz-...
- kaetemi 3y agoAdd error correction overhead to that weird number.
- pjz 3y agoMy understanding is that 44.1k is to improve error correction. 44100 == 2^2 * 3^2 * 5^2 * 7^2 ... something about vertices of a hypercube.