Lee Yuan Sheng
12-16-2010, 06:15 PM
<div class='os_post_top_link'><a href='http://www.dpreview.com/learn/?/Guides/Understanding_Video_Compression_01.htm' target='_blank'>http://www.dpreview.com/learn/?/Gui...pression_01.htm</a><br /><br /></div><p><em>"Video compression is clearly our friend because without a lot of compression we would have a very hard time handling the massive data we get from a 1080p video stream. Think of two mega pixels per frame at 24, 30 or 60 frames per second (translates to 48, 60 or even 120 mega pixels data per second). On the flip side, video compression reduces the possible image quality we can get."</em></p><p><img src="http://images.thoughtsmedia.com/resizer/thumbs/size/600/dht/auto/1292518654.usr15670.jpg" /></p><p>As digital cameras start moving into HD formats and use more advanced codecs, it is good to have an idea of the various techniques used if you are aiming for quality videos. Hit the read link to find out more.</p>