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The Samsung MX20 does not tag its 16:9 files with the correct Display Aspect Ratio. It is not desirable to re-encode because that causes quality loss. You can use a utility called mp4box which is part of GPAC to correct the Display Aspect Ratio tagging without re-encoding. The source file will be replaced (corrected.)The Samsung MX20 does not tag its 16:9 files with the correct [[Display Aspect Ratio]]. It is not desirable to re-encode because that causes quality loss. You can use a utility such as mp4box which is part of GPAC to correct the Display Aspect Ratio tagging without re-encoding. The source file will be replaced (corrected.)Display Aspect Ratio (DAR): For US sold models, the ratio should be 40:33. Another source says NTSC widescreen is 864x480, which means the proper ratio for NTSC widescreen video should be 864:720, which simplifies to 54:45. ''Note: mp4box has mutli platform versions, however, installation on Linux can be problem due to required dependencies. A utility that is a Video Aspect Ratio Converter is suitable, it need not be mp4box specifically.'' [[Display Aspect Ratio]] (DAR): For US sold models, the ratio should be 40:33. Another source says NTSC widescreen is 864x480, which means the proper ratio for NTSC widescreen video should be 864:720, which simplifies to 54:45.