By default, the audio stream on your camera should be set on 5.9 AMR Bit Rate.  If not, the sound will be distorted.  You can check if this is the case by going to SETTINGS > CAMERA > CAMERA SETUP > AMR BIT RATE.  If not,  select 5.9 from the dropdown menu and press “Apply.”


Camera Audio Page - AMR 5.9

Camera Audio Page – AMR 5.9