Extended Audio Description

Extended audio description temporarily pause the audio and video to allow critical information to be delivered when pauses in dialog are insufficient for adequate description.

Extended Audio Description Examples

Yoyo with Extended descriptions

From the PIVoT project at MIT

RM SMIL

XAD

Extended Audio Description Tutorials

SMIL Templates RM QT SMIL XAD AD CC

Extended Audio Description Articles

Accessible Streaming Content SMIL WM RM QT FL K XAD AD CC AT

Extended Audio Description Specifications and Standards

The <excl> Element > From SMIL 2.0 Specification
Creating an Exclusive Group in Real > From Real