Engineers and mathematicians have tried a number of solutions for tackling this problem. Around the time when the compact disc entered the market as a digital-format replacement for analog audio, it became feasible to also begin storing and using video in digital form, and a variety of such technologies began to emerge.Īudio and video call for customized methods of compression. Historically, video was stored as an analog signal on magnetic tape.
The compression usually employs lossy data compression. A video codec is a device or software that enables video compression and/or decompression for digital video.
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