Most video codecs are lossy, in that the decoded video does not precisely match the source. Just as audio codecs do for the sound data, video codecs compress the video data and encode it into a format that can later be decoded and played back or edited. ![]() ![]() Not only is the required storage space enormous, but the network bandwidth needed to transmit an uncompressed video like that would be enormous, at 249 MB/sec-not including audio and overhead.
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