Eli5: Why is the audio on video calls so much clearer than audio on phone calls?

Question

Eli5: Why is the audio on video calls so much clearer than audio on phone calls?

In: Technology

Answer 1

Having a visual stimulus keeps you more engaged, you also get to see the face of rhe person, so subtext becomes less of a distraction, allowing more focus, and better reception of the sound is something that focus is important.