There are several steps in the video process that use codecs.įirst, the camcorder takes the video stream from the camera sensor and compresses it for recording. Codecs are getting better all the time, but the perfect one has yet to be developed. The holy grail is a codec that gives maximum quality with minimum file size. Lossless codecs create better video, but don't typically do as good a job of reducing the file size, so most commonly used codecs are lossy. Other codecs are "lossy", and that means that you loss some of the video information during compression. Some codecs compress the video in a "lossless" manner which means all of the original data is preserved. Hardware or software uses the codec to take a raw video stream and compress it into a usable video file. A codec, or “ coder/decoder,” is a formula or mathematical process for compressing video files so that they require less storage space and can be used more efficiently in playback and non-linear editing systems.
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