PowWows.com stream several Pow Wows live.
The webcast are streamed in 4 different qualities from one for mobile devices to HD. Your computer will automatically detect a quality based several factors. These include your computer memory, video card power and your internet speed.
During the webcast your computer may change the quality as needed.
You can set the quality manually as well.
In the screenshoot below look at the lower right corner. The “HD” is the quality for the player right now.
To change this setting click on the HD and you'll see several other options.
Keep in mind that if your computer selected a lower quality, yours will not say HD.