YUY2 is another in the family of YUV 4:2:2 formats and appears to be used by all the same codecs as UYVY.
| Horizontal | Vertical | |
| Y Sample Period | 1 | 1 |
| V Sample Period | 2 | 1 |
| U Sample Period | 2 | 1 |
Effective bits per pixel : 16
Positive biHeight implies top-down image (top line first)

There is a help page here which contains information on playing AVIs which include video stored in YUY2 format.
Based on: UYVY
Duplicate formats: YUYV YUNV
Child formats: YUVP