AXIS M31 Network Camera Series
How to install the camera
The image shows how the eld of view and aspect ratio can change between two different capture modes.
How to select capture mode
What capture mode to choose depends on the requirements of frame rate and resolution for the specic surveillance setup. For
specications about available capture modes, see the product’s datasheet. To nd the latest version of the datasheet, go to axis.com
How to choose video compression format
Decide which compression method to use based on your viewing requirements, and on the properties of your network. The
available options are:
Motion JPEG
Motion JPEG or MJPEG is a digital video sequence that is made up of a series of individual JPEG images. These images are then
displayed and updated at a rate sufcient to create a stream that shows constantly updated motion. For the viewer to perceive motion
video the rate must be at least 16 image frames per second. Full motion video is perceived at 30 (NTSC) or 25 (PAL) frames per second.
The Motion JPEG stream uses considerable amounts of bandwidth, but provides excellent image quality and access to every image
contained in the stream.
H.264 or MPEG-4 Part 10/AVC
Note
H.264 is a licensed technology. The Axis product includes one H.264 viewing client license. Installing additional unlicensed
copies of the client is prohibited. To purchase additional licenses, contact your Axis reseller.
H.264 can, without compromising image quality, reduce the size of a digital video le by more than 80% compared to the Motion
JPEG format and by as much as 50% compared to the MPEG-4 standard. This means that less network bandwidth and storage space
are required for a video le. Or seen another way, higher video quality can be achieved for a given bitrate.
H.265 or MPEG-H Part 2/HEVC
Note
H.265 is licensed technology. The Axis product includes one H.265 viewing client license. Installing additional unlicensed
copies of the client is prohibited. To purchase additional licenses, contact your Axis reseller.
How to reduce bandwidth and storage
Important
If you reduce the bandwidth it can result in less details in the picture.
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Available from A1 Security Cameras
www.a1securitycameras.com email: sales@a1securitycameras.com
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