MPEG-1
<compression, standard, algorithm, file format> The first MPEG format for
compressed video, optimised for CD-ROM. MPEG-1 was designed for the transmission
rates of about 1.5 Mbps achievable with Video-CD and CD-i.
It uses discrete cosine transform (DCT) and Huffman coding to remove spatially
redundant data within a frame and block-based motion compensated prediction
(MCP) to remove data which is temporally redundant between frames. Audio is
compressed using subband encoding. These algorithms allow better than VHS
quality video and almost CD quality audio to be compressed onto and streamed off
a single speed (1x) CD-ROM drive.
MPEG encoding can introduce blockiness, colour bleed and shimmering effects on
video and lack of detail and quantisation effects on audio.
The official name of MPEG-1 is International Standard IS-11172.
(1999-01-06)
Nearby terms:
MPC Level 1 Specification « MPC Level 2 Specification « MPEG
« MPEG-1 » MPEG-1 audio layer 1 » MPEG-1 audio layer
3 » MPEG-1 layer 3
