Capable of being heard; loud enough to be heard; actually heard; as, an audible voice or whisper.

That which may be heard.

an animated character inserted in an instant message that says something out loud to your contact after you send your message, such as "Welcome" or "Dude!"

heard or perceptible by the ear; "he spoke in an audible whisper"

Audible means a noise or sound which is capable of being heard.

heard or capable of being heard.