![]() ![]() All you need to know is that advanced mathematical equations are happening behind the scenes to make your files small enough to send over the internet quickly! ![]() These mathematical equations and methods are used to analyze which parts of a video don’t change from one frame to the next, so that information can be tossed out without compromising the quality of the video.Īnother method looks at how images move and uses mathematical predictions to reduce what information needs to be stored to show that movement.Ī few of the technical names for these techniques include chroma subsampling, quantization, and spatial/temporal downsampling. What happens, in reality, is that modern video codecs use various mathematical methods to reduce file size. It does this by throwing out certain data from a video file to make it smaller while still working to retain as much visual quality as possible.īasically, it makes video data small enough so that it can be sent over the internet! How Modern Video Codecs WorkĬompressing video files is a little more complicated than just squeezing the file down to a smaller size. It takes your large video file, squeezes it down, and compresses it into something much smaller. To deal with all the storage space videos consume, codecs, which stand for “ coder-decoder ,” were created.īut what does a codec do? In its most simple form, a codec is a video compression method. The higher the frames per second, the more images are recorded for each second.Īll those digital images, plus the audio files that go with them, can consume a lot of storage space! When you record a video at thirty frames per second, you record at least 30 images every second. When you record a video, you are recording a series of still images that play one after another. What is a Video Codec? Video codecs are essential to web streaming. What is the Best Video Codec for Streaming?. ![]()
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