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About HD High Definition Video (H.264/MPEG-4 AVC 720p)

High Definition Video (HDV) is a digital video format

720p

720p is the shorthand name for a category of HDTV video modes. The number 720 stands for the 720 horizontal scan lines of display resolution (also known as 720 pixels of vertical resolution), while the letter p stands for progressive scan or non-interlaced. There are 50p (frames per second) (progressive format mit 50 full pictures per second).

Resolution

Progressive scanning reduces the need to prevent flicker by filtering out fine details, so sharpness is much closer to 1080i than the number of scan lines would suggest. 720p is always displayed as 1280×720 resolution in 16:9 format.

The compression rate of our HD-Videos was created by the currently most efficient MPEG4/AVC (H.264)-codec and the bitrate selected is 4 Mbit/s.

Size of the HD files

Our HD-video file size is approx. 3 to 4 times larger than the file size of its comparable and already familiar WMV9 file. Consequently the downloads of HD files will be taking approx. 3 to 4 times more time than the downloads of the WMV9 files of the same movies will take.

Compare HD and WMV9 resolution

The pictures displayed below are original frames from one of our videos. The cropped part (red) will be the picture we're going to compare below.

WMV9- frames are 4 times smaller than HD frames are. Therefore we had to zoom the picture at 200% for making it comparable.

 

WMV9 picture 200% zoom

 

HD frame - original size
The definition and  clarity of the HD-frame is certainly much better.

HD Test Video

Compare HD and DVD resolution

DVD frame, original size
This is the same frame of the selected picture in original DVD size and in original DVD resolution.
(720x576 PAL or 720x480 NTSC)
For making the pictures comparable we had to zoom the DVD frame below at approx. 150%

Watching our HD-videos on your Computer

For being able watching our HD videos on your computer, your operating system and/or your software ought to have the MPEG4 AVC/H.264 decoder. Therefore you'll need software! We recommend downloading the VideoLAN - VLC Media Player™. This media player software includes the necessary MPEG4 AVC/H.264 decoder. This is free software and it's pretty good media player software, too. If you don't have it but if you need it, you should download the VideoLAN™ Player here .
Power DVD™ 7 + Ultra, Nero Showtime™, Windows Media Player™ 12 (with Windows7™ only!) and QuickTime™ 7 is all software which can play our HD videos on a computer screen correctly.

Watching our HD-videos on your TV

By now there's already available some good hardware that can correctly play H.264/MPEG-4 AVC codec on a TV. Particularly hardware with a Sigma Chip™ is pretty good and useful.
Your TV should perform a 720p resolution minimum. (in Europe such TVs were/are labelled as "HD ready™").

Unfortunately you'll need a little bit more than just a good TV for playing any digital HD videos on your TV. We're using the Western Digital WD TV™ HD Media Player and it currently costs less than $ 100 only (price seen e.g. at amazon.com™).
Play content from most popular USB drives, store your HD DWW-Movies downloads or your Tribgirls HD downloads to the USB drive and then simply connect the USB drive with your WDTV and watch all your media files on your TV. It's blindingly easy! Of course, by using this device, you can watch WMV9 files on your TV, too. However, although your familiar WMV9 files will play nicely, too, those WMV9 files will never give you the excitement of real HD quality!

Here's a list of hardware we did test for you for playing HD videos on a TV (no responsibility is taken for the correctness of this information):
LT-H90LAN : LinkTheater™HD Network Media Player
www.buffalo-technology.com

WD TV Live™: HD Media Player
Seagate FreeAgent Theater+ HD Media Player™

Western Digital WD TV Live Network-ready HD Media Player WDBAAN0000NBK-NESN

Western Digital WD TV Live HD Media Player

Western Digital Live 1080p Internet Media Streamer Television

  Western Digital TV Live HD Media Player

Western Digital - WD TV Live - Boîtier Disque dur Multimédia - Full HD - Port Ethernet - Noir

www.wdc.com