| Title | Audio contrast: foreground audio content only |
|---|---|
| Description | Document containing a link to an audio file with foreground speaker. |
| Creator | BenToWeb (Reinhard.Ruemer@…) |
| Rights | Copyright BenToWeb 2004-2007 |
| Language | English |
| Date | 2005-08-17 |
| Status | validated |
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)
The document is intended to pass because it contains no background sounds. Only the individual perception of the audio contrast is tested here.
Three or more accessibility experts.
“Rules” refer to success criteria in WCAG 2.0, checkpoints in WCAG 1.0 and similar requirements.
The test case passes (line 9, column 37) the following success criterion: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#visual-audio-contrast-noaudio.
There is no background sound that interferes with the understanding of foreground speech.
This test case maps to technique G56: Mixing audio files so that non-speech sounds are at least 20 decibels lower than the speech audio content.
The test case passes (line 9, column 37) the following success criterion: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#visual-audio-contrast-noaudio.
There is no background sound that interferes with the understanding of foreground speech.
Online version: sc1.4.4_l3_003.
The test case passes (line 9, column 39) the following success criterion: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#visual-audio-contrast-noaudio.
No background sound.