All WCAG criteria
WCAG 2.1·Perceivable·1.4 Distinguishable

1.4.7 Low or No Background Audio

Level AAA

Speech recordings should have minimal or no background sound, or allow turning it off.

Why it matters

Hearing-aid users have background sounds amplified to the point of obscuring speech.

How OnlyEnable handles this

Source-code fix required. No widget can solve this — it requires changes to your content or markup. Our remediation team can help.

Related criteria in 1.4 Distinguishable