How Everything Works
How Everything Works How Everything Works

Question 429

What is the deal with the new mini disc players?
I only know how the prerecorded mini disc players work: they work a lot like CD players. However, they use a much smaller disk, made possible by intelligent data reduction. Instead of using 16 bits to represent each current measurement, the mini disk uses a variable number of bits. The recording equipment determines how many bits are needed to represent the sound accurately and eliminates unnecessary (or inaudible) details in the current measurements. The optical systems in mini disc players are the same as CD players.

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