Audio is of two types, analog and digital. When you speak, the sound you create is in the analog or wave format. The sound that you hear is also in analog format. Computers are basically digital devices. Therefore, it is necessary to convert audio from the analog format to the digital format before using it on a computer. Digital audio technology allows you to record, edit, and play digital audio files on a computer. Digital audio technology also lets you communicate with the computer by just speaking. This lesson introduces you to digital audio technology. It also briefly describes the concepts of copying and converting digital audio.