To test picture quality, we use 4K Blu-ray and streaming, HD Blu-ray and streaming and lower-resolution sources such as DVD. The specific movies, TV shows, and other media we use are important for ...
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Check out our Roku Pro Series 4K TV review. Visit our guides to all the best smart TVs and best Roku TVs. How we test 4K TVs To test the best 4K TVs, our experts focus on several key parameters ...