You may feel these symptoms first in your feet and then possibly in your shins: 1  Numbness, tingling and pain. 2  Unsteady when standing, walking. 3  Muscle weakness (including weak ankles) or cramps.
720HD is 1280 x 720 pixels per frame. The highest resolution that the DVD format can support is 720 x 480 pixels per frame for NTSC (or 720 x 576 pixels per frame for PAL), which is at best only 37.5% of the resolution of 720HD.
If the AVI video is not encoded the DVD player compatible codec, DVD player won't play AVI files. All standard DVD players only accept videos with certain resolutions and certain BVOP settings. For example, most standard DVD players limit import to 720x480 or 720x576 maximum.