Low or No Background Audio (1.4.7 – AAA)

Plain Language Recommendations

Audio of speech must have no or very low background noise so the speech is easily distinguished.

Example

  1. Background music should be 20 decibels lower than speaking.

WCAG 2.0 Recommendations

Guideline 1.4: Distinguishable

Make it easier for users to see and hear content including separating foreground from background.

Last updated: April 27, 2017
Category: Accessibility Recommendations, Accessibility Standards - List View, Media

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  • Key Terms

    1. Must means do things in the manner described exactly.
    2. Should means do things in the manner described unless there is a good reason not to [i.e., instructor has other needs].
    3. [Supplementary information] is provided in square brackets.