Why is the number of bits important?
Each bit that is used in a sample contributes to the overall accuracy of the sound. With only 1 bit, there are only two levels we can generate – sound and no sound. With 2 bits, we can generate 4 levels of sound. With 3 bits, we can generate 8 levels of sound. At 16bits, we can generate 65536 levels. At 20bits, we can generate 1048576 different levels!