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Jeon Jun Shik Samsung Electronics Mobile neXt Generation Video Codec.

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Presentation on theme: "Jeon Jun Shik Samsung Electronics Mobile neXt Generation Video Codec."— Presentation transcript:

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2 Jeon Jun Shik Samsung Electronics Mobile neXt Generation Video Codec

3 Video Compress

4 Index Why How Where

5 Compress

6 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.

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8 Why does it need?

9 1.S 2.S

10 1.Space 2.S

11 1.Space 2.Speed

12 These days… CD(700MB) DVD(4GB) Even… Hard Disk(200GB~300GB) 1GB = 1000MB

13 But, if we dont compress

14 X 30 (frames) Total = 5MBTotal = 1TB for 1 movieTotal = 9GB for 1 minTotal = 150MB for 1 sec X 60 (seconds) X 120 (minutes)

15 1.Space 2.Speed

16 How

17 1.Spatial 2.Time 3.Redundancy

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19 2. Time

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21 3. Redundancy

22 In Digital World 0 or 1

23 000001110010101000110 001101010110000110010 101010110110001110011 010110101010100101010 101010111010101010100 0111010110100010111011 1111000011010111010011 001010101010101011011 1010101110101011110101 100101110101101010111 010011010100101001011 010101010101010101001 010110101001010001110 101001010010100101010 010101010010101001010 101001010101010010111 1 01110111111000011010

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25 Where

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27 Engineer


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