My Roku 4640X now has a noticeable an very annoying audio chirp whenever changing audio streams, ie loading a new channel or changing the video within a channel. This started after updating to software 9.0.0 build 4084-29
My current setup is audio output via HMDI and audio setting set to auto. I used to have the same issues when I used optical audio output but I stopped using it because it was so annoying. This is the first time I've had this issue via HDMI.
Any help is this matter would be greatly appreciated.