Digital Technology - CDs and Storage Space

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Peter G.
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Hi,

My teacher gave me the following information and asked me to prove that 1 minute of music requires 10 MB of storage space in a CD.

Sampling Rate: 44.1 kHz
Bit Depth: 16 bits
No. Channels: 2

I am a bit confused. If the bit depth is 16, that means I have 4 bits. But I only get the correct answer when I use 16 bits. Should instead of Bit depth it say number of bits?

Thanks,
Peter G.
 
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In digital audio, bit depth describes the number of bits of information recorded for each sample.

Wikipedia, therefore unreliable.
 
Bit depth means number of bits.