Level AAAPerceivableTested by A11yied
WCAG 1.4.7: Low or No Background Audio
1.4 Distinguishable
What Does This Criterion Require?
For audio content that contains speech, the audio does not contain background sounds.
Technical Details
| WCAG Level | AAA |
|---|---|
| WCAG Version | 2.1, 2.2 |
| POUR Principle | Perceivable |
| Guideline | 1.4 Distinguishable |
| A11yied Testing | Partially Automated |
How A11yied Tests This Criterion
A11yied automatically validates WCAG 1.4.7 using browser-based testing that analyzes your page in real-time.
Implementation: text-presentation.ts
Test This Criterion on Your Site
Use A11yied to scan your website and identify WCAG 1.4.7 violations automatically. Get detailed reports with code examples and fix recommendations.
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Official WCAG Reference
View the official WCAG specification for 1.4.7 Low or No Background Audio on the W3C website for complete technical details and implementation guidance.
Read W3C Understanding 1.4.7→