Not to be a dick, because I know mine are not the only use cases, but are these HDMI ports (which these dongles ALWAYS provide) really that much in demand?
Is this something to do with people needing to connect to slide projectors, and HDMI is the new expected way for doing that, finally replacing VGA?
Well I think it becomes the de-facto standard for display. I know that display port is more superior than HDMI, but HDMI are more universally available on devices. Monitors, projectors, TVs (which somehow replacing projectors in smaller meeting rooms) have HDMI. DP are more difficult to find.
HDMI is the winning standard in external video interfaces these days. VGA is still around, but DVI surprisingly went the way of the dinosaur more quickly and DP was always just the awkward uncle that came over for a family reunion to get drunk and watch football as an excuse to scream obligatory nonsense at your TV about "my team" this and "we won" that from the comfort of your sofa.
The long answer is that the projector connection is actually HDBaseT using a shielded Cat6A cable which connects to a transmitter that has a HDMI port. The HDBaseT spec has no native support for DisplayPort or legacy VGA so those need logic to perform the conversion in the transmitter to HDMI internally. From an end user perspective, this is all HDMI.
Projectors that have DP tend to be more professional models and you are equally likely to encounter SDI (or SDI options) on the same units.
Now, the question is, does that HDMI port hook up through the use of the USB C Alt mode DP output, or is it a questionably useful USB (DisplayLink) based video output...
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name99 - Sunday, January 6, 2019 - link
Not to be a dick, because I know mine are not the only use cases, but are these HDMI ports (which these dongles ALWAYS provide) really that much in demand?Is this something to do with people needing to connect to slide projectors, and HDMI is the new expected way for doing that, finally replacing VGA?
mr_tawan - Sunday, January 6, 2019 - link
Well I think it becomes the de-facto standard for display. I know that display port is more superior than HDMI, but HDMI are more universally available on devices. Monitors, projectors, TVs (which somehow replacing projectors in smaller meeting rooms) have HDMI. DP are more difficult to find.In fact, none of my monitors has DP input.
PeachNCream - Sunday, January 6, 2019 - link
HDMI is the winning standard in external video interfaces these days. VGA is still around, but DVI surprisingly went the way of the dinosaur more quickly and DP was always just the awkward uncle that came over for a family reunion to get drunk and watch football as an excuse to scream obligatory nonsense at your TV about "my team" this and "we won" that from the comfort of your sofa.Kevin G - Monday, January 7, 2019 - link
The short answer is yes.The long answer is that the projector connection is actually HDBaseT using a shielded Cat6A cable which connects to a transmitter that has a HDMI port. The HDBaseT spec has no native support for DisplayPort or legacy VGA so those need logic to perform the conversion in the transmitter to HDMI internally. From an end user perspective, this is all HDMI.
Projectors that have DP tend to be more professional models and you are equally likely to encounter SDI (or SDI options) on the same units.
cygnus1 - Sunday, January 6, 2019 - link
Now, the question is, does that HDMI port hook up through the use of the USB C Alt mode DP output, or is it a questionably useful USB (DisplayLink) based video output...peterfares - Sunday, January 6, 2019 - link
I'm sure it's using DP Alt mode with a DP to HDMI 2.0 adapter. That's much better AND cheaper than a DisplayLink controller in there.