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by jasonjamerson
923 days ago
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Important to know that Roku has an "adjust frame rate to content native rate" which, insanely, is off by default. It will make up frames on all content by default if it's less than what your TV is capable of. I just got a new LG C3, and this was making us nauseous until I figured it out. I thought it was the TV, but unbelievably it was the Roku. |
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What this setting is usually used for, is to avoid "blinking" and screen going dark when you leave menus and start watching videos — there is unavoidable (...mostly. VRR kinda fixes it?) renegotiation period whenever going from 60hz<->24hz or 60<->30. So to avoid the TV going dark for a second to re-negotiate the connection, the device steps in and "pretends" it's all 60hz all the time.
_Usually_ what a set-top box does is just frame double (if possible), or do 3:2 pull down, which _should_ be unnoticeable for human eyes, unless you're very sensitive.
Side-note: this is why HDMI 2.1 and 120hz HDR is so good for everyone. 120 divides cleanly into 24, 30, and 60fps so you don't have to deal with 3:2 conversions ever.