There are several aspects to high definition video (HD). There are multiple possible frame rates, frame sizes, in both interlace and progressive formats. In addition, its become industry “practice” to use general terminology that’s less than precise. This and the next couple articles are devoted to demystifying basic aspects of HD including:

• The basic standards and variations.
• What frame rates we should shoot for various applications.
• How terminology is misused and what people “really” mean.