Invitation to Computer Science 8th Edition

$44,100$ 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.