The Amazon Fire TV Stick 4K Max Gen 2 has built in AC4 support. If the A/V sync is drifting it may be an issue with the built in codec.

What is the Device ID of your HDHomeRun?

WSTM-WTVH-WKOF wrote: Wed Dec 10, 2025 12:06 pm @nickk I have the capture. What's the best way to deliver it to you?

Can you please upload to a drive site such as Google Drive and the PM me the share link.

Release is out

Account updated... can you please try the activation code again.

Problem has been fixed... a new app release will be submitted tomorrow morning.

Problem reproduced. We will get it fixed tomorrow.

Nick

So, here is what I think might be a better explanation. This was not about CC itself, but aligning the CC sync points with a commercial, with an offset. So (example) a CC sync point +20 seconds indicated the start of a commercial, and a CC sync point -57 seconds would indicate the end of a ...

When you restart the app it should show a crash report - can you please take pictures and send them to support@silicondust.com

BTW - a new Roku app release was submitted to Roku yesterday. It will be out Monday or Tuesday. Once we get the pictures we can confirm if it is a known issue that has been ...

I have a theory that the data payload tied to Sinclair channels confuses HDHR tuners. I see the same behavior with my Sinclair ATSC 3.0 transmitters. I can always tune the local low-power station, and can usually tune the competitor's station that we host on one of our ATSC 3.0 signals, but our ...

set /tuner0/target none
set /tuner0/channel none

https://www.atsc3ca.com/ just went live...

Hi,

No rule problem, forum threads that are idle for more than 90 days are automatically purged.

Is your 4K in a living space inside your home? Something is wrong if it needs forced air cooling.

I can check a few things - what is the device ID of your HDHomeRun?

We are not seeing any diagnostic information from the HDHomeRun app - can you please run the HDHomeRun app on the new FireTV Cube (only), and enable "send diagnostic information" in the settings menu. Ok to leave diagnostics enabled on the HDHomeRun units.

I can check the diagnostic information - what is the device ID of your HDHomeRun?