Chapter 4 - 4.2 - The Binary Numbering System - Practice Problems - Page 175: 1

$44,100$ samples/second $\times 16$ bits/sample $\times 3$ minutes $\times 60$ sec/minute $=127$ million bits Compressed at a ratio of $4 : 1,$ this becomes about 32 million bits.

$44,100$ samples/second $\times 16$ bits/sample $\times 3$ minutes $\times 60$ sec/minute $=127$ million bits Compressed at a ratio of $4 : 1,$ this becomes about 32 million bits.