See my other post here:
https://community.fosiaudio.com/threads/zd3-intermittent-echo-and-buzz.5424/#post-6044
Download the zip file I posted there and try updating the firmware. The Google Drive link I posted there was given to me by Fosi Support. Follow the instructions included in the zip...
Here is Google Drive link that I got from Fosi Support in response to my support ticket that I submitted.
https://drive.google.com/file/d/119HuM0nvuIR_UTXuFzlVQSZoHY8R_vY3/view?usp=drive_link
This is a link to a zip file that contains the firmware update instructions, the related software...
Same problem here with the ZD3 and it seems to only happen with the HDMI input connected to TV. The weird sound would only happen randomly for a split second or two so it's nearly impossible to catch it on a recording to show the issue but it happens enough that it's getting annoying.
I also...