Flash Player 9: Bringing HD Flash Video to the Web
http://www.digital-web.com/articles/hd_flash_for_the_web/

Green, Tom
Digital Web Magazine
2007

Abstract:

Moving from High Definition (HD) to FLV means a loss of quality. It is similar to moving a Photoshop high-resolution TIFF image to the JPG format--the loss in quality can't be avoided.