AXIS M50 PTZ Camera Series
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A privacy mask is a user-defined area that covers a part of the monitored area. In the video stream, privacy masks appear either as
blocks of solid color or with a mosaic pattern.
You’ll see the privacy mask on all snapshots, recorded video, and live streams.
You can use the VAPIX® application programming interface (API) to turn off the privacy masks.
Important
If you use multiple privacy masks it may affect the product’s performance.
Overlays
Overlays are superimposed over the video stream. They are used to provide extra information during recordings, such as a timestamp,
or during product installation and configuration. You can add either text or an image.
The video streaming indicator is another type of overlay. It shows you that the live view video stream is live.
Pan, tilt, and zoom (PTZ)
Preset positions
A preset position is a saved view that can be used to quickly move the camera view to a specific position.
A preset position can consist of the following values:
•
Zoom position
•
Focus position (manual or automatic)
•
Iris position (manual or automatic)
The preset positions can be reached at any time:
•
from the drop-down list in the live view window
•
as actions in the event system
•
as triggers in the event system
•
when setting up a guard tour
Streaming and storage
Video compression formats
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 sufficient 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
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