Sampling and Bit Rates
Info and More!
What is Sampling? and what effect it has on size and quality
What is Bit rate? and what effect it has on size and quality
How can audio be represented in binary?
In order to digital record sound, a microphone is used, a device that converts the
analogue sound into a digital form by altering the output signal from the device.
In order to store this digitally, the voltage is sampled at frequent intervals (typically
48 000 times per second, or 48kHz) and stored as a binary code (typically 16 or 32
bits per sample).This equates to slightly over 1.5 million bits per second, or 88 MB per minute. An 80 minute album stored in such a manner would require 6.9 GB of storage.