Why do I hear no sound when I call "ok Google?"

[SuperThor1]

A 51 sec video just cleared my confusion ... Try it its working

https://youtu.be/NFws1vnKJ0M

THIS WORKED FOR ME!
I have a ZTE ZMAX PRO. The sound is back

 

[Akmal Amri]

Found this article which helps me solve the problem.

https://www.androidpolice.com/2017/...e-command-enabling-one-accessibility-service/

It's in the accessibility setting. Changed mine and the ding is back! But it's absurd tho