Updated: 8:29 PM UTC, Jul 16, 2017

Why Do CDs Have A 74 Minute Capacity?

The CD has a capacity of 74 minutes, because during the design  the engineers decided that its ultimate capacity should be able to encompass Beethoven's Symphony No. 9 in its long version. To accomplish this criterion, they had to choose a 12 centimeter 16-bit 44.1kHz disc format.

Media

Beethoven - Symphony No 9 in D minor, Op 125 - Thielemann. By Classical Vault 2

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