Introduction to video CODECs : MJPEG, MPEG-4, H.264

[Editor's note: John Honovich publishes this and other information on network video at IPVideoMarket.info.]




Fundamental Principle of CODECs







CODECs reduce the amount of bandwidth and storage needed at the expense of using more CPU cycles.



basic bandwidth tutorial


CODECs Overview









  • Compress the individual image by itself

  • Compress a series of images together














Looking at Current Video Surveillance Systems










Conclusion

About the author: John Honovich, PSP, is an independent researcher and consultant focused on the world of networked video surveillance. He is author of IPVideoMarket.info and has previously worked in product development and management positions at security technology companies such as 3VR and Sensormatic.

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