$is_audio

Usage: $is_audio()

Category: conditional

Implemented: Picard 2.2

Description:

Returns true, if the track being processed is not shown as being a video.

Example:

The following statements will return the values indicated:

$is_audio()  ==>  "1"  (True, if the track is not a video)
$is_audio()  ==>  ""   (False, if the track is a video)