I have noticed on many videos, as well as my YUN-I gimbal that there is a high pitched squeal. I thought the was normal but I have seen some video's that don't have this sound.
Oh, a solution to the high pitch squeal would be incredible. The only reason I'm not fully committed to this yet is because of the sound. I'd like to use this handheld for tracking dialogue scenes but the squeal would ruin the audio, unfortunately.