Test Case sc1.4.6_l3_021: Audio contrast: loud background sound

Formal Metadata

Formal Metadata
TitleAudio contrast: loud background sound
DescriptionDocument containing a link to an audio file with foreground speaker and background sound. The background sound is louder than the foreground speaker.
CreatorBenToWeb (Daniela.Ortner@…)
RightsCopyright BenToWeb 2005-2007
LanguageEnglish
Date2005-08-17
Statusaccepted for end user evaluation

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)

Test Data

Purpose

The document is intended to fail, because the foreground audio content is not understandable. Only the individual perception of the audio contrast is tested here.

Test Modes

Three or more accessibility experts.

Test Files

Test file.

TCDL Data

sc1.4.6_l3_021 (XML).

Rules

“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 9, column 33: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#visual-audio-contrast-noaudio.

Functional Outcome

Background sound is too loud to understand foreground speaker.

Technical Comment

One audio file, with foreground speaker and background noise.

This test case does not map to a WCAG 2.0 technique or failure.

Secondary Rules

Secondary Rule (WCAG 2.0 - April 2006 Working Draft (Last Call))

The test case fails the following success criterion at line 9, column 33: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#visual-audio-contrast-noaudio.

Functional Outcome

Background sound is too loud to understand foreground speaker. (The test case needs further testing.)

Technical Comment

One audio file, with foreground speaker and background noise.

Online version: sc1.4.4_l3_001.

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case fails the following success criterion at line 9, column 36: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#visual-audio-contrast-noaudio.

Functional Outcome

Background sound is too loud to understand foreground speaker.

Technical Comment

One audio file, with foreground speaker and background noise.