Analog Audio and Digital Audio in Multimedia

Analog Audio

1. When we hold a microphone up in the air and screen, the microphone connects the changes in the air and connects into a electric voltage. This is known as analog signal.
2. Analog audio when plotted on a paper it would look like a graph.
3. The recording is done on a magnatic tape for further play modes.
4. The output device for an analog sound is a simple speakers.
5. The quality of the sound output is less.
6. Editing a analog audio piece is quite difficult and time consuming and less accurate.

Digital Audio

1. Digital audio is a technological process whereby an analog audio is first converted into a  continuous stream of numbers. This is known as digital audio.
2. But where as digital audio give the output in series of 0 & 1.
3. The recording done on a hard disk or any media which supports digital format.
4. The output device of a digitized audio is amplified speakers which are built in.
5. Here the sound quality is excellent.
6. Digital audio editing gives high quality output with less complexity and less time consuming. Accuracy level is high.