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VPort 36-1MP-IVA
Инструкция по эксплуатации Страница: 51

Moxa VPort 36-1MP-IVA [51/78] Vport 36 1mp system configuration

VPort 36-1MP System Configuration

4-30

Max. FPS (Frame per second)

Setting Description Default

Maximum frame rate The maximum frame rate is different to accommodate different

modulations of video input. Administrators can also set up the

maximum frame rate to optimize bandwidth use.

NTSC: 1, 3, 5, 10, 15, 20, 25, 30

PAL: 1, 3, 5, 8, 12,16, 20, 25

30 for NTSC, 25 for

PAL

NOTE

Frame rate (frames per second) is determined by the resolution, image data size (bit rate), and transmission

traffic status. The Administrator and users can check the frame rate status in the FPS Status on the VPort’s web

homepage.

NOTE

The VPort 36

1MP supports a maximum of three simultaneous video streams, and the FPS will be affected when

all three video streams are enabled. If the video quality is set very high for all three video streams, the total FPS

for the three

streams combined is about 75. We strongly recommended that you configure these three video

streams based on specific requirements to optimize video performance.

Video Quality Control

Video Quality Control is used to optimize the bandwidth of the MPEG4 video stream. There are 2 modes for

video quality control.

Setting Description Default

Fixed bit rate

(only for H.264)

The administrator can fix the bandwidth to tune the video

quality and FPS (frames per second) to the optimum

combination.

Different resolutions have

different bandwidth parameters. The

VPort will tune the video performance according to the

bandwidth. A higher bandwidth means better quality and

higher FPS.

4000Kbps

Fixed Quality The administrator can set the image quality to one of 5

standards: Medium, Standard, Good, Detailed, or

Excellent. The VPort will tune the bandwidth and FPS

automatically to the optimum combination.

Good

NOTE

The image quality, FPS, and bandwidth are influenced significantly by network throughput, system

network

bandwidth management, applications the VPort runs (such as VMD), how complicated the image is, and the

performance of your PC or notebook when displaying images. The administrator should take into consideration

all of these variables when designing

the video over IP system, and when specifying the requirements for the

video system.

NOTE

Visit

http://www.moxa.com/event/Net/2012/IP_CCTV_Calculator/index.htm to get a help for network

bandwidth estimation of different resolution, FPS, video content

Moxa VPort 36-1MP-IVA [51/78] Vport 36 1mp system configuration

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