Setting Using Internet Explorer

Setting (continued)

Basic Settings2 (continued)

MPEG4

 

E Bitrate

For setting the MPEG4 encoding bit rate.

 

 

[Setting range: 64 kbps to 8000 kbps]

 

 

 

 

F Bitrate

For selecting whether to set the MPEG4 rate control mode to CBR (Constant

 

Control

Bit Rate) or VBR (Variable Bit Rate).

 

 

CBR

: Encoding is performed at a fixed bit rate regardless of the

 

 

 

condition of the input video signals. Enables easy forecast of

 

 

 

the bit rate.

 

 

VBR

: Changes the bit rate according to the condition of the input

 

 

 

video signals. Picture quality is stable, but forecast of the bit rate

 

 

 

is difficult.

 

 

 

 

G FPS

For setting the MPEG4 frame rate.

 

 

[Setting range: 1 fps, 7.5 fps, 10 fps, 15 fps, 25 fps, 30 fps]

 

 

 

 

H I Frame

For setting the I-frame interval. MPEG4 starts encoding from the I-frame.

 

Interval

Shortening the interval stabilizes the picture quality even when there are

 

 

rapid changes in the video image. However, the picture quality for images

 

 

with little change will deteriorate. In addition, when multicast packet loss

 

 

occurs, the time interval required to restore the image is shorter.

 

 

[Setting value:30, 60, 90, 120, 150]

 

 

 

 

I Priority

For selecting whether to assign priority to the frame rate or picture quality

 

 

during MPEG4 encoding.

 

 

FPS

: Assigns priority to frame rate. Select this setting to enable

 

 

 

smooth monitoring of motion images.

 

 

Quality

: Prioritizes image quality.

 

 

 

 

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