internal mic
My internal mic on my MacBook pro-BIgSur is not functioning, I tested it by going into preferences clicking on built-in Mic it cannot hear me
MacBook Pro 15″, macOS 11.2
1. Reset PRAM: Reset NVRAM or PRAM on your Mac - Apple Support
Settings that can be stored in NVRAM include sound volume, display resolution, startup-disk selection, time zone,
and recent kernel panic information.
The settings stored in NVRAM depend on your Mac and the devices that you're using with your Mac.
2. Reset SMC: How to reset the SMC of your Mac - Apple Support Choose the appropriate method.
Quote:
Resetting the system management controller (SMC) can resolve certain issues related to power, battery, fans,
and other features.
3..Make sure apps have access to microphone.
https://support.apple.com/guide/mac-help/control-access-to-your-microphone-on-mac-mchla1b1e1fe/mac
