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Audio can mean:

• Sound that can be heard.
• Vibrations made by electronics or other signals of frequencies audible to humans (about 20–20,000 Hz).
• Broadcasting or reception of sound.
• high-fidelity sound reproduction.
• Sound recording and reproduction in general.
• "I hear" in Latin.

Audio is also the debut album of the Blue Man Group.

Audible can also refer to:

• Audible.com, an online audiobook store.
• In American football, "calling an audible" refers to a tactic where the quarterback decides to change the play at the line of scrimmage before the snap by calling additional signals. This is usually done if the quarterback notices changes in the opposing team's defensive setup on the field.

This article is based on the article "Audio" from Wikipedia - the free encyclopedia created and edited by online user community. This article is distributed under the terms of GNU Free Documentation License. Here you find the list of authors of this article. The article can only edited within Wikipedia. Edit this article in Wikipedia.