dn0121
New Member
High-definition television provides a crystal clear viewing experience, free from artifacts and with noticeably better quality than standard-definition television... right? Not so fast. Turns out Comcast and other providers of so-called high-def TV are intentionally compressing the video stream on many of their channels, sometimes by as much as 38 percent, degrading image quality along the way. Why? Supposedly, it frees up bandwidth so the operators can pack in even more channels.
The rest is here with links to the data and screen shots.
Comcast, others degrade HD video quality to pack in more channels : Christopher Null : Yahoo! Tech