An audio file contains sound that can be played on a computer. When helper applications, such as Real Audio or SoundPlayer, are configured for the browser, different types of sound files can be played, including .au and .wav.
a multimedia file available for downloading or listening to from a web page
A sound or music file. Audio files end in various extensions, including .wav, .au, .ra, and .rm, among others. SiteCLERK's Creative Kit enables you to manage and add audio files to your Web pages.