DeviceLoginScreenSpokenFeedbackEnabled

Enable the spoken feedback accessibility feature on the login screen. If this policy is set to true, the spoken feedback will always be enabled on the login screen. If this policy is set to false, the spoken feedback will always be disabled on the login screen. If you set this policy, users cannot change or override it. If this policy is left unset, the spoken feedback is disabled on the login screen initially but can be enabled by the user anytime.