iPhone 11 mic issues.

Hi, my iPhone 11 suddenly stopped working properly while video recording on Snapchat, Instagram and even Facebook. The audio Sounds like I’m extremely far away, but when I record on the camera that comes with the phone it starts to pick up the sounds crystal clear. (Voice memo sounds like I’m extremely far also) I’ve already went to the apple store and they couldn’t figure it out. It also sounds like I’m far whenever on speaking on the phone or have AirPods on. Please help with any advice.

Thank you.