SIA-R30<audio> element content has text alternative

Accessibility requirements

This rule tests conformance of the following accessibility requirements:

• 1.2.1 Audio-only and Video-only (Prerecorded)

Description

This rule checks if audio only elements have a text alternative available.

Applicability

This rule applies to every prerecorded <audio> element that is:

• playing; or,
• has a "play button" that is visible and included in the accessibility tree.

Expectations

1. For each test target, the outcome of at least one of the following rules is passed:

• <audio> element content has transcript
• <audio> element content is media alternative for text

Assumptions

This rule assumes that the language of each test target can be correctly determined (either programmatically or by analyzing the content), and sufficiently understood.

Accessibility support

This rule has no known accessibility support concerns.

Examples

Acknowledgments

This document includes material copied from or derived from https://www.w3.org/WAI/standards-guidelines/act/rules/e7aa44/. Copyright © 2024 W3C® (MIT, ERCIM, Keio, Beihang).