People who have background in PC based video don’t have good idea about HD resolution discussed nowadays. The HD is the one used for TV and other industry than PC. Although PCs are used for recording, editing for video, PC video covers them, but it has broader variation of resolution.
So, I tried finding some good articles which explain the issue in very easy-reading style. Here are some. It is worth while to reading it. ;)
- HD Resolution Explained
- HDTV resolution and TV Picture Quality
- 1080p and HDTV Resolution Explain
- 1080p vs 720p or Full HD and HD Resolution
- Giz Explains: Why HD Video Downloads Aren’t Very High Def