For Video Compression we have terms and definitions in 3 topics. The topics are Technology, Telepresence and Video Surveillance.

Video Compression (Technology)

Reduction of the size of files containing video images stored in digital form. If no compression were done, 24-bit color video at 640 × 480 pixels would occupy almost one megabyte per frame, or over a gigabyte per minute. Video compression can, however, be lossy without affecting the perceived quality of the image. See also lossy compression, Motion JPEG, MPEG.

Video Compression (Telepresence)

The encoding of real-time video so that it may be transmitted over a low bandwith communications link. One example used by us is the Strathclyde Compression Transform (SCT).

Video Compression (Video Surveillance)

This technique (often a MPEG format) compresses video into lower bit rates for easier Internet transmission, often along narrower bandwidths. Video or audio is compressed to shrink file size, ensuring acceptable transfer speed. Compressed video can sometimes be of a noticeably lower quality, but still clear enough to be useful. AVC is the successor to MPEG as the new video compression standard.

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