my micro phone test info has three question marks in volume

asked May 4, 2021 in Microphones by anonymous

Quality Rating:	119
Microphone Name:	Microphone (Realtek High Definition Audio)
Automatic Gain Control:	yes
Number of Audio Channels:	1
Echo Cancellation:	yes
Estimated Latency:	0.01
Noise Suppression:	yes
Sample Rate:	48000
Sample Size:	16
Volume:	???

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