HDMI extender over Cat6 issue

[Chodley]

Have you tested a lower res, just to see what happens?

[SteDC]

I'll give it a try and monitor. Thank you for the suggestion.

[mr.tickle]

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@SteDC wrote:

Yes, correct, I'm outputting 1080p @50 / 60hz.

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You've said cables are ok so my idea of the cable degrading over time may not be it, but you could run ethernet speed checks over that cable without the HDMI adapators in place to check it.

Also remember that there are FOUR components which dictate the bandwidth used, not two:

1. resolution

2. framerate

3. the bit-depth (8, 10, 12)

4. the chroma subsampling. RGB and 4:4:4 both take the same, then 4:2:2 takes less, and 4:2:0 takes less again.

It's a constant frustration to me when manufacturers list only the first 2, since there's an enormous difference in PQ between say 4K50 at 8bit/4:2:0 vs 4:50 at 10bit 4:2:2. (With 8bit you'll get massive banding in HDR for a start).

[SteDC]

Reducing the resolution has not really helped. I'm still facing issues with out of sync video with audio after a few hours. Perhaps it's associated with heat ? Not sure what else can be checked. I assume I'll have to replace all hdmi receivers and the single Approx 12 and one transmitter. Unless it's possible to purchase a device to go between the sky hdmi output and the hdmi sender to avoid full replacement. Would welcome any further suggestions.