Monday, April 11, 2016

Why compression necessary? Name some popular video compression technique

** The development of compression standards is essential to the future of multimedia.
The need for compression is greatest with video.

Without compression , each frame of color video will require a storage space of 7.4 Mbits.Thus only about 22 seconds of full-motion(FSFM) video could be stored on a 600 MB optical disk.

To-play it backs would require a transfer rate of 22.1 Mbits, which for exceeds the available rate of 1.5 Mbits.

So, Compression is the key to resolving the discrepancies between requirements and reality.

Some popular video compression techniques are

  • MPEG
  • JPEG
  • P*64
  • Clear Video
  • Real Video
  • VDO Wave
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