Why is video compression important?

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  • H.264 compression – This is the best, most efficient way to compress your video files. It compresses the files by evaluating small groups of images together and removing duplicates.
  • MJPEG compression – This format works by evaluating each frame of the video and compressing it. This is also referred to as motion JPEG, because it treats each frame as an individual JPEG image.
  • MPEG4 compression – This is the oldest format, and is not commonly used. It has largely been replaced by H.264 compression.

What makes video compression an important part of your surveillance is the ability to compress files – this maximizes your hard drive space so you can store more videos for longer periods of time before your hard drive is full.

Large video files become a problem when you record extremely long videos, or high quality HD videos. A 30 second video your camera automatically records on motion won’t be very large, but a 10 minute video of a break-in at your store will. Additionally, a video recorded at 5MP and a full 30 FPS will be helpful in identifying suspects in a video, but also be a very large file.

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