Turn off audio recording for screen recording
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\screenrecorder Value name: muteaudiodefaultvalue
Enabled: muteaudiodefaultvalue = 1
Disabled: muteaudiodefaultvalue = 0
Description
This policy setting allows you to control the initial audio recording setting for a screen recording in PowerPoint. By default, audio is recorded during a screen recording. If you enable this policy setting, audio isn’t recorded during a screen recording. But, the user can choose to turn on audio recording manually in the UI. If you disable or don’t configure this policy setting, audio is recorded during a screen recording. The user can choose to turn off audio recording manually in the UI.