Create audio settings Aim To optimize the recording volume. Prerequisites You have Axis IP cameras that are supported with MediaRecorder. See Supported IP cameras  in  Recording devices You followed the procedure in  Ethernet card setup You connected all cameras. You gave the cameras an IP address. See Set camera IP address You gave the camera a password and selected the correct power line frequency. See Set camera password and select power line frequency You followed the procedure in  Create camera settings Procedure Open the camera settings, See  Access camera settings Open the  Audio   tab. Adjust the Gain slider and check in the Input section that the green field in the Level field is maximal with normal speech.    Note You cannot record the audio of non-ONVIF devices in MediaRecorder. Optionally record audio from a separate microphone that is connected to the microphone input of the computer with MediaRecorder. The Axis cameras supported with MediaRecorder support ONVIF.