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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
Storage Devices and Media
Describing Storage Devices Store data when computer is off Two processes –Writing data –Reading data Storage terms –Media is the material storing data.
OCR GCSE Computing Chapter 2: Secondary Storage. Chapter 2: Secondary storage Computers are able to process input data and output the results of that.
Refers to sampling the gray/color level in the picture at MXN (M number of rows and N number of columns )array of points. Once points are sampled,
Peripheral Storage Devices
Computers - The Journey Inside continues…
OCR GCSE Computing © Hodder Education 2013 Slide 1 OCR GCSE Computing Chapter 2: Secondary Storage.
GRAP 3175 Computer Applications for Drafting Unit II Computer Hardware.
Backing Storage Chapter 18.
Audio/Video Capturing & Editing Christopher M. Pascucci.
Computer Organisation 1 Secondary Storage Sébastien Piccand
Chapter 4: Representation of data in computer systems
Storage Devices Momina.
Distinguish between primary and secondary storage.
The Four Parts of a Computer. Definition of a Computer A computer is an electronic device used to process data, converting the data into information that.
Describing Storage Devices Storage terms Media is the material storing data Storage devices manage the media Magnetic devices use a magnet Optical.
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%,
Types and components of computer systems
RATE SCALABLE VIDEO COMPRESSION Bhushan D Patil PhD Research Scholar Department of Electrical Engineering Indian Institute of Technology, Bombay Powai,
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