WordPress at a glance
filter is not described

wp_audio_shortcode filter-hook . WP 3.6.0

Filters the audio shortcode output.


add_filter( 'wp_audio_shortcode', 'filter_function_name_6134', 10, 5 );
function filter_function_name_6134( $html, $atts, $audio, $post_id, $library ){
	// filter...

	return $html;
Audio shortcode HTML output.
Array of audio shortcode attributes.
Audio file.
Post ID.
Media library used for the audio shortcode.

Where the hook is called

wp-includes/media.php 2377
return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );

Where the hook is used (in WP core)

Does not used.