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Published byDylan Ryan
Modified over 3 years ago
Jeon Jun Shik Samsung Electronics Mobile neXt Generation Video Codec
Index Why How Where
1.To press or squeeze sth together or into a small space. 2.To reduce sth and fit it into a smaller space or amount of time. 3.(computing) to make computer files, etc. smaller so that they use less space on a disk, etc.
Why does it need?
These days… CD(700MB) DVD(4GB) Even… Hard Disk(200GB~300GB) 1GB = 1000MB
But, if we dont compress
X 30 (frames) Total = 5MBTotal = 1TB for 1 movieTotal = 9GB for 1 minTotal = 150MB for 1 sec X 60 (seconds) X 120 (minutes)
1.Spatial 2.Time 3.Redundancy
In Digital World 0 or 1
000001110010101000110 001101010110000110010 101010110110001110011 010110101010100101010 101010111010101010100 0111010110100010111011 1111000011010111010011 001010101010101011011 1010101110101011110101 100101110101101010111 010011010100101001011 010101010101010101001 010110101001010001110 101001010010100101010 010101010010101001010 101001010101010010111 1 01110111111000011010
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1 s Share 2 s Share 3 s Share settles with 1 for $200,000 (the limit of 1 s insurance policy) settles with 1 for $700,000 Fault allocation: =0%, 1 =50%,
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