That's why I always wanted a TV with tvOS built-in, because it would have Promotion, so any switch in refresh rate or dynamic range would be seamless.
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Because iPhone doesnt use HDMI.
Because it’s limited by the capabilities of your bargain 199$ hisense garbage TV. iPhones are purpose built to do these things, bargain TVs (and TVs in general) are meant to just show a picture
You are correct, this is an HDMI limitation.
How do you know the iphone is actually switching vs just rendering things to what it needs?
The screen blacks out on HDMI changes like those because there is a re-negotiation of the link between devices.
The speed of the change of TV is dependent on the TV, not the device supplying signal. TVs dont prioritize the switching and there is loads going on to match audio and video. HDMI standard supports many resolutions, if in the AppleTV select match resolution then it will convert so the TV will not have to change.
It’s ur TV
iPhone doesn’t do any of that display switching. it just uses pulldown, tone mapping, etc. same as if you turned off content matching on Apple TV (the default)
My initial thought is because with iPhone, Apple makes both the hardware and software, this the integration is better.
With Apple TV and a television, Apple can’t control how every brand/model of television will respond.
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