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CCTV Glossary

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MPEG - Motion Picture Experts Group. An ISO group of experts that has recommended

manipulation of digital motion images. Today there are a couple of MPEG recommendations, of

which the most well known are MPEG-1 and MPEG-2. The latter one is widely accepted for high

definition digital television, as well as multimedia presentation.

MPEG-1 - Standard for compressing progressive scanned images with audio. Bit rate is from 1.5

Mbps up to 3.5 Mbps.

MPEG-2 - The standard for compression of progressive scanned and interlaced video signals with

high quality audio over a large range of compression rates with a range of bit rates from 1.5 to 100

Mbps. Accepted as a HDTV and DVD standard of video/audio encoding.

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Cascadia Digital video recorder Manuale Utente Pagina 24