Bosch NEI-Series User Manual download pdf (Page 63)

Dinion IP Infrared Imager Configuration via IP, Advanced Mode | en 63

Bosch Security Systems, Inc. User Manual F.01U.263.416 | 3.1 | 2012.09

Encoding interval

The figure selected here determines the interval at which

images are encoded and transmitted. The image rate in ips

(images per second) is displayed next to the text field.

Use the slide bar to select a frame rate from 30.00 ips to 1 ips.

Video resolution

Here you can select the desired resolution for the video image.

The following resolutions are available:

– CIF

352 × 288/240 pixels

– 4CIF/D1

704 × 576/480 pixels

Use the expert settings to adapt the I-frame quality and the P-

frame quality to specific requirements, if necessary. The setting

is based on the H.264 quantization parameter (QP).

GOP structure

Select the structure you require for the Group of Pictures here.

Depending on whether you place greater priority on having the

lowest possible delay (IP frames only) or using as little

bandwidth possible, you can choose from IP, IBP, and IBBP.

I-frame distance

This parameter allows you to set the intervals in which the I-

frames will be coded. 0 means auto mode, whereby the video

server inserts I-frames as necessary. An entry of 1 indicates that

I-frames are continuously generated. An entry of 2 indicates

that only every second image is an I-frame, and 3 only every

third image etc.; the frames in between are coded as P-frames.

I-frame quality

This setting allows you to adjust the image quality of the I-

frames. The basic setting Auto automatically adjusts the quality

to the settings for the P-frame video quality. Alternatively, you

can use the slide control to set a value between 9 and 51. The

value of 9 represents the best image quality with, if necessary, a

lower frame refresh rate depending on the settings for the

maximum data rate. The value of 51 results in a very high

refresh rate and lower image quality.

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Bosch NEI-Series User Manual Page 63