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Comment Re:They deserve it (Score 1) 286

Yes - the TV's all have de-interlacers. A still frame on 1080i is 1920x540 upscaled to 1920x1080 and another 1920x540 upscaled to 1920x1080. It's not necessarily as sharp, depending on the content, because you're still interpolating to get beyond 540p.

I realize you meant slow-moving, and not a still frame, but the point sort of still stands. I don't know if temporal resolution gains really even out with the eye because of how the LCD changes from one from to the other. Some newer TV's are blanking the screen with black between frames (at 600Hz) trying to trick the eye into seeing it as smooth as phosphor.

Comment Re:They deserve it (Score 1) 286

If the fields are upscaled (height doubled)

If you think that's all a good de-interlacer does, you're really misinformed. The in-between lines are interpolated pretty well- and they do not leave any visible oscillation. If you're talking about sending interlaced video to a TV from a computer using a progressive display resolution, you're doing it wrong. Either you send the display an interlaced video mode or you de-interlace it before sending it out.

Well, yes, that's precisely what CRTs did. They skipped the width of one scanline (a little more, or less, if not properly calibrated) between each scanline while rendering one field, then rendered the following field in between. This is still the only *proper* way to de-interlace interlaced video, anything else is just compensating for not knowing if the content its display is (properly) interlaced or not.

Again, it's not the only proper way. Modern de-interlacing algorithms aren't just in media player software - they're on any LCD TV. And they certainly go beyond simply weaving fields. De-interlaced video looks better than interlaced display on even high-resolution phosphor. The television doesn't compensate for not knowing - the television is told by the signal it's getting whether the content is interlaced or not.

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