MONITORING A SITE
Images and Clips
160 MAXPRO NVR 3.1 Operator’s Guide
5
WMV Vs ASF format
Clips can be exported either in WMV or ASF formats. When compared to WMV format ASF
format is much faster and reliable. The following table describes about WMV and ASF formats.
Note 1. ASF format clips is supported from NVR version 3.1 SP1.
2. WMV format clips are recommended for clip durations less than an
hour for exporting as evidence clips.
3. ASF format clips are recommended for clip durations longer than an
hour for exporting as backup clips.
Viewing Images and Clips
From the Images/Clip window, you can view the images and clips saved in the
ImagesAndClips folder at the location in the hard drive in which MAXPRO NVR files are
installed.
To view the list of saved images and clips
1. Click the Viewer tab, and then click the Images/Clip tab.
2. In the Images/Clip window, expand the Images and Clips folder. Folders with names
indicating the date in which the images and clips are created appears. The first two digits
of the folder indicate the date, the next two digits indicate the month, and the last digits
indicate the year.
3. Expand the folder corresponding to the date on which the image or clip you want to view
is saved. Inside the folder, the clips are saved in the Clips sub-folder and images are
saved in the Images sub-folder.
4. You can refresh the list of images and clips in the Image/Clip window to update the list.
Refreshing the list displays the latest images and clip names. To refresh, right-click in the
Image/Clip window to display a context menu and click Refresh.
Images
To view the images
WMV Format ASF Format
WMV is traditional and slow. ASF format is faster in exporting a clip, it
consumes 50 minutes to export a 24 hours of
clip without much difference in size of the
clip.
- For ASF formats Text overlay is not
supported in NVR viewer.
WMV format converts the packets
into MPEG formats and then
displays the video.
ASF format takes the raw data from the
packets and displays the video directly
without conversion. Hence it is fast in
processing the video.
- ASF format does not display the Time Stamp
on the clip. To view the Time stamp it is
recommended to play the clip on VLC Player.
(http://www.videolan.org/vlc/index.html)
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