I have taken a script that plays an audio clip when an anchor link is hovered and turned it into a plugin. It works fine but only on Chrome (Mac). On Firefox or Safari (current versions) the script ...
In chrome and firefox (and maybe others) the audio link does not render a media controller. E.g. [audio http://example.com/wp/wp-content/uploads/2011/09/file.mp3] In Chrome, view page source show ...