MacBook Air mic not working on FaceTime calls

having trouble getting mic to work

on facetime. calls, only video working/

 used the "Get Help" feature and it sent you details about my error. 

Please review that and help solve the problem. 

Here's an additional message from me: 

How to get audio to work on FaceTime calls. Stopped working

Have version 12.3 macOS Monterey

Have MacBook Air 13 inch early 2015

Have no audio on FaceTime calls only video/visual view of person… etc

Serial number C*******3QF

Processor 1.6 GHz dual core intel core i5

Memory 8 gb 1600 MHz ddr3

Graphics intel HD graphics 6000 1536 MB

[Edited by Moderator]