Video compression
Videos are becoming an increasingly popular way to consume entertainment. Whether it is on your TV, computer, or mobile phone, videos are a huge part of how we experience the world of entertainment.
Most of us have seen the great movies online and we've watched a few of them on Netflix or Amazon Prime. But when it comes to video compression, there are a few different techniques that are used.
1. What is compression?
Compression is a process of reducing the size of a file so that it takes up less disk space or bandwidth. This can be done in a variety of ways, with varying levels of quality.
A) Compression types
Some of the most common methods of compression are following:
• LOSSY
Lossy compression is the process of reducing the size of a file, but at the expense of an information. However it makes the video look worse in order to reduce it's size.
• LOSSLESS
Lossless compression is the process of reducing the size of a file without losing any information. This is the most common way used in movies
Conclusion
To reduce the size of video or music they evaluate colors which are not visible to human naked eyes.
And Sounds below 20 and above 20 hertz (Hz) and low frequency sounds that make niglible changes after being excluded.
