models: max. 3 pre- and post-alarm images, IT models up to 10 pre- and post-
alarm images). These images (files) will be stored in one folder that has the event
number as name.
The advantages of snap shot recording are the low storage space requirements
for the images and the possibility of setting the interval between the pre- and post-
alarm images to up to ten minutes. Since the images are stored as individual JPEG
files, you may use the integrated playback features of the browser interface to view
the recorded images or
you can access the
files directly on the file
server—by using other
applications that have
been designed for that
purpose. On the other
hand, snap shot recor-
ding has the disadvan-
tage that many events
with many pre- and
post-alarm images will
use more server per-
formance than the two
MxPEG-based recor-
ding modes (Event and
Continuous Recording).
Event Recording stores a combined video and audio sequence of variable length.
The frame rate can be set to a maximum of 30 frames per second. This recording
mode is the default mode used in security appli-
cations and will only start recording if the came-
ra detects events, such as movements in the ca-
mera's video motion windows of the live image.
As up to ten seconds of pre-event time can be
recorded, the camera can also record the deve-
lopment leading up to the event. Independent of
the frame rate set for the Live screen, the recor-
ding frame rate can be set to meet the applicati-
on's requirements and the storage space at
hand.
The video sequences are stored on the PC or server as clip files that contain up to
ten seconds of video and audio. This approach drastically reduces the number of
files as compared to snap shot recording with pre- and post-alarm images. The ef-
ficiency of the PC or server used for recording increases by a factor of ten.
© MOBOTIX AG • Security-Vision-Systems • Made in Germany
www.mobotix.com • sales@mobotix.com • 10.10.2006
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Software Camera Manual Part 2
Basic/Web: max. 3 pre-
and post-alarm images
IT: max. 10 pre- and post-
alarm images
Event clips for efficient
recording of event images
with audio
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