YouTube videos go High Definition (HD YouTube), Now watch you favorite video on YouTube in HD

To enjoy a higher quality High Definition resolution and stereo audio mode video clips, users have for some time now used  tricks in assessing YouTube’s URL. They used a hack switch of &fmt=18 or &fmt=6 to view high quality video resolution. However, this trick has become obsolete once the “watch in high quality” feature was introduced. Having said that, now you probably can use the trick again if you want to watch 720p (720 pixels x 1280 pixels) widescreen video clips.

What is High Definition Video?
High-definition (HD) video generally refers to any video system of higher resolution than standard-definition (SD) video, most commonly at display resolutions of 1280×720 (720p) or 1920×1080 (1080i or 1080p).

Google has made available YouTube video play back in High Definition (HD) mode of 720p by just adding &fmt=22 to the video URL or link location.

First off, this “HD version” appears to be only available for videos uploaded in 720p (i.e. 1280×720 resolution). For any video with a resolution lower than that, using “&fmt=22” will simply default you to the normal, low quality stream. The high quality “&fmt=18” version will always be available, but pales in comparison to the newest format.

To embed a HD quality YouTube video with high definition resolution on external website or blog, simply add or append &ap=%2526fmt%3D22 code (instead of &ap=%2526fmt%3D18 to display just higher quality 480×360 video clip) to the end of movie parameter value and embed source in the YouTube embed code.

<object width=”425″ height=”344″><param name=”movie” value=”http://www.youtube.com/v/zlfKdbWwruY&hl=en&fs=1&rel=0″></param><param name=”allowFullScreen” value=”true”></param><param name=”allowscriptaccess” value=”always”></param><embed src=”http://www.youtube.com/v/zlfKdbWwruY&hl=en&fs=1&rel=0″ type=”application/x-shockwave-flash” allowscriptaccess=”always” allowfullscreen=”true” width=”425″ height=”344″></embed></object>

By appending &ap=%2526fmt%3D22 HD hack switch, the embed code will become like the following:

<object width=”425″ height=”344″><param name=”movie” value=”http://www.youtube.com/v/zlfKdbWwruY&hl=en&fs=1&rel=0&ap=%2526fmt%3D22“></param><param name=”allowFullScreen” value=”true”></param><param name=”allowscriptaccess” value=”always”></param><embed src=”http://www.youtube.com/v/zlfKdbWwruY&hl=en&fs=1&rel=0&ap=%2526fmt%3D22” type=”application/x-shockwave-flash” allowscriptaccess=”always” allowfullscreen=”true” width=”425″ height=”344″></embed></object>

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