Test Case sc1.1.1_l1_055: Audio-only content with descriptive label

Formal Metadata

Formal Metadata
TitleAudio-only content with descriptive label
DescriptionDocument containing an object element that embeds an audio-only object. A paragraph with the following transcript nested inside the object element: "Audio content does not contain background sounds." Note that this is not "multimedia" according to WCAG 2.0 because the object contains only audio that is not synchronized with something else.
CreatorBenToWeb (Christophe.Strobbe@…)
RightsCopyright BenToWeb 2005-2007
Statusaccepted QA

Technologies and Features

Technologies are markup languages or data formats. If the technology is a markup language, “features” refers to elements and attributes.

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

Feature: object (namespace: http://www.w3.org/1999/xhtml) .

Technical specification: Generic inclusion: the OBJECT element .

Test Data


The test case is intended to pass because a descriptive text label is associated with audio-only content. This test is only for descriptive text labels, not for synchronized alternatives (guidelines 1.2) or changes of context (success criterion 3.2.5).

Test Modes

Accessibility expert.

Test Files

Test file.


sc1.1.1_l1_055 (XML).


“Rules” refer to success criteria in WCAG 2.0, checkpoints in WCAG 1.0 and similar requirements.

Primary Rules

The test case fails the following success criterion at line 11, column 5: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#text-equiv-all.

Functional Outcome

The audio content has a transcription.

Technical Comment

This test case maps to technique H53: Using the body of the object element (http://www.w3.org/TR/2006/WD-WCAG20-TECHS-20060427/Overview.html#H53).

Note: you may need to adapt the security settings to run this test file in Internet Explorer.

Secondary Rules

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case passes (line 11, column 5) the following success criterion: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#text-equiv-live-media.

Functional Outcome

The audio content has a descriptive text label.

Technical Comment

On a computer with Windows XP, Windows Media Player 9 and Apple Quicktime 7.1.3, the following browser behaviour has been observed: Firefox 2.0 plays the sound but does not display a player, Opera 9.0 displays a Windows Media Player interface and plays the sound, Internet Explorer 6 (with Service Pack 2) display a Windows Media Player interface but plays the sound in a separate Windows Media Player window.