While watching videos on smartphone, television, YouTube or any other social media you must have come across the picture quality of videos. Whenever you watch any video聽how you find it picture quality, good, pretty enough or just awesome?
What is video Quality?
Video Quality is characteristics of video which tells about the formal and informal measure of perceived video degradation.
At present HD (High-Definition) is everywhere, smartphone with HD display screen, HD LEDs, LCDs and more. Game consoles that plays HD games, all public service broadcasters like Channel 4, Channel 5, BBC, ITC and more have dedicated HD channels and many other streaming services like Netflix, Prime Instant Video also play movies in HD only.
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What is HD actually?
HD stands for High-Definition, refers to the level of detail of videos that display on-screen and as a result provides more vibrant and more fluid videos so that you can feel the actual videos and enjoy it. In technical terms, HD is defined by the number of pixels on the screen. You might have heard about 720p, 1080p. So, have you ever wondered what this is? What makes them different from each other? Between 720p and 1080p which is better?
If you don鈥檛 know then don鈥檛 worry we are going to help you out. 720p, 1080p and 1080i, these are all version of HD. To begin with, we will discuss the difference between 720p and 1080p, let鈥檚 have a look
What is the Difference between 720p and 1080p?
Both 720p and 1080p are high-definition video display formats; its p denotations represent progressive display formats.
1. Number of Pixels
The main difference between 720p and 1080p is the number of pixels that these images are made up of. In 720p, the image consists of around 1 million pixels which is equivalent to 1 megapixel in case of still camera image. But for 1080p, the image is made up of around 2 million pixels and shows a high potential to display high detailed images.
Yes, pixel density matters but apart from these, there are another factors that also taken into consideration like screen size on which you would see video and seating distance, distance between the image.
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2. Resolution
720p resolution equates to 1280*720 pixels, where 1280 pixels are displayed across the screen horizontally and 720 pixels are displayed vertically over the screen Whereas 1080p resolution is equivalent to 19,20*1,080 pixels where 1,920 pixels that are displayed across the careen horizontally and 1,080 pixels that are displayed vertically on the screen.
3. Content available
1080p and 720p, both are high-definition video formats. Currently, many Dish Networks, Direct TV, cable satellite provider have switched to 1080p display content.
But still 720p titles are there which can be up scaled to 1080p. Xbox 360, PlayStation 3 which is use for gaming is usually 720p native but still offering 1080p resolution.
Final Words
You are not likely to notice such a vast difference until you come so close to screen. But now the new generation has come to streaming and demand for Full HD display that you find in latest display devices like Xbox One, Wii U, PlayStation 4 and other service providers like Netflix, BBC iPlayer which will provide access to 1080p streams.
