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Motion Picture Expert group.
-it is a full motion video.-the inter frame is of ratio 200:1.
-the audio encoding ratio is of order 5:1.
the decompression is done before the playback of the file.
-the data is compressed to reduce the size of the source information.
-it allows full motion media i,e audio and video.
in inter frame each image is considered as still image.
-mpeg contains two layers.
(i)system layer.
(ii)compression layer.
*SYSTEM LAYER-it contains timing information to synchronize audio and video.
*COMPRESSION LAYER-this layer is responsible for compressing of source data.
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