CCTV Glossary
Cascadia Video Products LLC
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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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