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What causes lag for games & PCs while using DNM or 120Hz?

April 26, 2017causes dnm Games lag PCs

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What causes lag for games & PCs while using DNM or 120Hz?

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All 120Hz TVs always work at 120Hz, there are different methods of achieving 120Hz. 1. Frame Repeat (DNM or 120Hz = Off): e.g. Input signal is 30fps … The TV will repeat (120/30) i.e. 4 frames … there is no lag in this case as the TV does not need to interpolate. [Frame 1 … Repeat Frame 1 … Repeat Frame 1 … Repeat Frame 1 … Frame 2 … ] 2. Frame Interpolation (DNM or 120Hz = On): e.g. Input Signal is 30fps … The TV uses consecutive frames to construct pseudo frames in between those frames using interpolation. Depending on the level of DNM, lag is more. DNM Off -> [Frame 1 … Repeat Frame 1 … Repeat Frame 1 … Repeat Frame 1 … Frame 2 … ] DNM Min -> [Frame 1 … Repeat Frame 1 … (Interpolated 1 & 2) … (Repeat Interpolated 1 & 2) … Frame 2 … ] DNM Max -> [Frame 1 … (Interpolated 1 & Mid) … (Interpolated Mid) … Interpolated Mid & 2) … Frame 2 … ] You need to understand that for processing motion smoothing, the TV must have frames it receives after