8.9 WCAG 2.2 Success Criterion 1.4.2 − Audio Control
Audio that plays automatically on a webpage is very distracting to persons with disabilities using screen readers. If any audio on a webpage plays automatically for more than 3 seconds, either ensure user is allowed to turn off the audio easily or to adjust audio volume independently.
Before Rectification
The video only provide play, pause and stop features and there is no way to turn off the audio or adjust the volume.
After Rectification
The volume control feature is provided so that user is able to turn off the audio or adjust the volume if they choose.
WCAG 2.2 Reference:
https://www.w3.org/WAI/WCAG22/Understanding/audio-control
