What is a codec? What is the difference between a codec and a container?
A codec is a software that compresses the information of a video and audio signal when being saved, and then decompresses the data for viewing, transferring, saving, etc. A container is the type of file format that stores video, audio, subtitles, etc. which determines how your compressed video data is stored and transmitted. Some examples of codecs are H. 264 (video) and MP3 (audio). Popular containers include OGG, Matroska, AVI, and MPEG.
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