Mi Box 3 stuttering & refresh rate issues

Reception, channel detection, network issues, CableCARD setup, etc.
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loopium
Posts: 3
Joined: Fri Jan 31, 2020 9:42 am

Mi Box 3 stuttering & refresh rate issues

Post by loopium » Fri Jan 31, 2020 9:57 am

Hello,

I recently bought a HD HomeRun Duo for Europe channels DVT-T/T2 (France). I use it on my international version of the Xiaomi Mi Box 3 running on Oreo firmware (8.0) on official Android TV.

After having everything installed perfectly, I noticed :
  • Some micro-stutters on every channels. Is there a way (option for instance) not to have those micro lags ? :cry:
  • Refresh rate seems not to be 50 Hz (as it is in France), but more 25 Hz... My box is set to 1080p/50Hz in display settings. For sports event it's highly noticable when you switch between the TV cabled vs. the Mi Box using HD HomeRun (cabled, I do not use it with an antenna). Can you confirm that the HDHR is able to display 1080i/50 Hz channels on a Xiaomi Mi Box (Android TV) ? :|
Thank you for you answers.

ferezvi
Posts: 3
Joined: Wed Jan 29, 2020 8:10 pm

Re: Mi Box 3 stuttering & refresh rate issues

Post by ferezvi » Fri Jan 31, 2020 8:19 pm

Are you using the 5gz wifi? if not switch it and works pretty well.

loopium
Posts: 3
Joined: Fri Jan 31, 2020 9:42 am

Re: Mi Box 3 stuttering & refresh rate issues

Post by loopium » Sat Feb 01, 2020 6:52 am

Yes, I always use the 5 GHz Wi-Fi, and I tested it on the 2.4 GHz, it’s not better. Anyone have those 2 problems on a Mi Box ?

jasonl
Expert
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Joined: Sun Oct 28, 2007 9:23 pm

Re: Mi Box 3 stuttering & refresh rate issues

Post by jasonl » Sun Feb 02, 2020 11:46 am

When playing a 1080i channel, the HDHomeRun app tells the device you're watching on to deinterlace the video to 1080p for playback. The quality of deinterlacing varies widely from device to device. Some devices (PCs, Xbox One, NVIDIA Shield) produce excellent results. Some devices (including most cheap Android boxes) do not, usually resulting in 25p or 30p (as appropriate for the region you are in) motion. This is a limitation of the hardware.

loopium
Posts: 3
Joined: Fri Jan 31, 2020 9:42 am

Re: Mi Box 3 stuttering & refresh rate issues

Post by loopium » Mon Feb 03, 2020 10:05 am

Alright, thanks for your answer.

So, 0 solution so far for this box... Unless a firmware update (which will likely never come because of Xiaomi support).

jasonl
Expert
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Joined: Sun Oct 28, 2007 9:23 pm

Re: Mi Box 3 stuttering & refresh rate issues

Post by jasonl » Mon Feb 03, 2020 12:55 pm

It's a hardware limitation. None of the other S905X-based boxes do any better. All these boxes are expected to spend most of their lives playing streaming video, which is never interlaced, so most of the SoC/GPU makers put very little effort into the deinterlacer.

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