The Quality of youtube's video is really good and you can upload almost every type of video.In the beginning the company only offered one level of quality display at that time it can upload and display the videos with a resolution of 320*240 pixels using the sorenson sparks H.263 codec with mono audio MP3.
But in June 2007 it was decided that company
should also shown the videos which are recorded by mobiles phones.Because sometime there are very useful videos can be seen which are recoded by mobiles having 3GP format.
In November 2008, the player YouTube was changed from 4:3 to 1In March 2008, high quality mode was added, which increased the resolution 480x360 pixels [84] In November 2008, 720p HD support is added. [85] With this new feature, YouTube launched a move to H. 264/MPEG-4 AVC codec as your default video.6:9 widescreen. In November 2009, 1080p HD support was added. In July 2010, YouTube announced that it has launched a range of video in 4K format, which allows resolutions up to 4096x3072 pixels.
Youtube was offering with the three range qualities of videos
the first one is Standard Quality (SQ) the second is (HQ) and the third is High Definition (HD) But currently these are replaced with numeric values representing vertical resolution of the video. Default video stream is encoded in the H.264/MPEG-4 AVC format, with stereo AAC audio.
YouTube is making easier and easier for the users to uploading the videos.Now it has been too much easy To upload and share the videos with YouTube interface.Now you can contribute from all over the world in it.
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