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1. Audio is a term used to describe any sound or noise that is within a range the human ear is capable of hearing. Measured in hertz, the audio signal on a computer is generated using a sound card and is heared through speakers or headphones.

Any digital information that contains speech or music that can be stored on and played through a computer is referred to as an audio file or sound file. One of the most common types of audio file formats used today is the MP3. Clicking the triangular button on the following embedded player will play a short MP3 file in your browser.

2. When writing in HTML, the <audio> tag is used to embed sound files into a web page.

Also see: Audio CD, Embed, Sound, Sound terms