Indicating the length of audio or video content helps users estimate the time required for playback and decide whether to proceed.

Objectives

• Provide users with the information needed to make an informed decision before playing or downloading content.
• Improve ebook accessibility for users with disabilities.

Implementation

• Provide the duration for every audio or video content item.

Control

• Check that the duration of each audio or video item is provided before playback.
• Ensure the indicated duration matches the actual length, accurate to the second or rounded up to the nearest minute.