EtroVISION EV6552A, User Manual

Page: 24 / 59

3. Video Compression Type: Selectable options : H264/M-JEPG / MPEG-4
4. Resolution: Selectable Options: VGA/QVGA /QQVGA
5. Bit rate Type: There are two selectable options: constant bit rates (CBR)
and variable bit rates (VBR), providing the flexibility in choosing
bandwidth.
6. Constant bit rates (CBR): 4M / 3M / 2M / 1.5M / 1M / 750K / 500K / 384K
/ 256K / 128K / 64K
Note: 1M is recommended when using H.264; 1.5M is recommended when
using MPEG-4.
Note: When mosaic or fragment occurs in the image, users may lower the
frame rate or assign another level of image quality.
7. Variable bit rates (VBR) ranges: 2 ~ 31 (The value “3” is recommended.)
8. Frame per second: 1 / 5 / 10 / 15 / 20 / 25 / 30
9. Group Size
（
GOP
）
: This function is designed for adjusting the ratio
between “I” frame and “P” frame. Lower the group size represents the
lower bandwidth consumption.
10.Video Type: NTSC / PAL
Note: System can automatically detect the input video signal when the
detect icon clicked.

Max Client
This function allows more than one user to have the access to the video
stream. The relationship between bit rates, resolution, and the client
amount is an inverse ratio.