Success criterion 1.4.7 Low or No Background Audio
Level Level AAA, WCAG principle: Perceivable
Assigned to the following themes: SENSORY
For prerecorded audio with speech, any background sound must be:
- at least 20dB lower than the speech, or
- there must be a way to turn it off
Learn more about the success criterion 1.4.7 Low or No Background Audio on the W3C website.
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Related success criteria
- Success criterion 1.4.1 Use of Color
- Success criterion 1.4.10 Reflow [2.1 and 2.2]
- Success criterion 1.4.11 Non-text Contrast [2.1 and 2.2]
- Success criterion 1.4.12 Text Spacing [2.1 and 2.2]
- Success criterion 1.4.13 Content on Hover or Focus [2.1 and 2.2]
- Success criterion 1.4.2 Audio Control
- Success criterion 1.4.3 Contrast (Minimum)
- Success criterion 1.4.4 Resize text
- Success criterion 1.4.5 Images of Text
- Success criterion 1.4.6 Contrast (Enhanced)
- Success criterion 1.4.8 Visual Presentation
- Success criterion 1.4.9 Images of Text (No Exception)