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52 en | Encoder Settings Camera Browser Interface
AM18-Q0605 | v5.0 | 2011.07 Software manual Bosch Security Systems
10.1.8 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
(GOP). 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.
P-frame quality
This setting adjusts the maximum image quality of the P-frames.
Auto automatically adjusts to the optimum combination of
movement and image definition (focus). The value 9 represents
maximum image quality, a value of 51 represents minimum
quality. With the slide control, define a control range from a
chosen value to 51. The encoder delivers the best possible
quality within this control range while maintaining the
maximum bit rate.
10.1.9 Default
Click Default to return the profile to the factory default values.