46 en | Advanced Mode IP Camera 200 Series
AR18-10-B012 | v1.5 | 2011.01 Installation and Operation Manual Bosch Security Systems
advantageous with low bandwidths. The image rate in ips
(images per second) is displayed next to the slider.
Video resolution
Select the desired resolution for the video image. The following
resolutions are available:
– CIF
352 × 240 pixels
– 4CIF/D1
704 × 480 pixels
– QVGA
320 x 240 pixels
– VGA
640 × 480 pixels
– 720p
1280 × 720 pixels
Expert Settings
if necessary, use the expert settings to adapt the I-frame quality
and the P-frame quality to specific requirements. The setting is
based on the H.264 quantization parameter (QP).
GOP structure
Select the structure you require for the Group of Pictures.
Depending on whether you place greater priority on having the
lowest possible delay (IP frames only) or using as little
bandwidth possible, you choose IP, IBP or IBBP.
I-frame distance
Use the slider to set the distance between I-frames to Auto or
to between 3 and 60. An entry of 3 means that every third
image is an I-frame.The lower the number, the more I-frames
are generated.
I-frame quality
This setting sets the image quality of the I-frames. Select Auto
to ensure that the maximum bit rate is not exceeded. Auto
automatically changes the I-frame quality to the settings for the
P-frame image quality.