D5110/D5111/D7110 User Manual
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1024 to 65535.
Time to Live: Set the maximum TTL that multicast can pass through.
Note: Time To Live option determines the maximum length of time (measure as the
number of network routers that can be passed before data arrives at its destination or
is dropped) within which a multicast packet must reach its destination.
Image Size
: Specify the image size when the network camera transmits. Choose one
among 1280 x 1024, 1280 x 720, 640 x 480, and 320 x 240.
Frame Rate
: Set the frame rate of H.264 image. Choose one value among 2, 3, 4, 5, 7,
10, 15, 20, 25, and 30 fps. The unit “fps” stands for “frames per second”.
Note: The frame rate is up to 15 fps at 1280x1024, and up to 30 fps at 640x480.
However, if you would like choose frame rate over 15 fps, the IMAGE SIZE of
H.264/MPEG-4/MJPEG setting page has to been selected 320x240 or 640x480 at the
same time.
Quality:
Auto: The quality and bitrate will be adjusted automatically according to the frame
rate.
Fixed Quality: Select the value of quality among Medium, Good, Delicate and
Excellent.
Fixed Bitrate: Set the bitrate of H.264 image transmission for a line. Select one among
64Kbps, 128Kbps, 256Kbps, 384Kbps, 512Kbps, 768Kbps, 1Mbps, 1.5 Mbps, 2
Mbps, 3 Mbps, 4 Mbps, 5 Mbps, and 6 Mbps.
Note: Concerning how to select the suitable image quality for Fixed Quality or Fixed
Bitrate, please refer to the CHAPTER 9. APPENDIX / A. Frame-rate & Bitrate Table.
IP interval
: It’s the ratio of i-frame & p-frame. Select one among 1, 5, 10, 15, 30, 60, and
120. The ratio smaller, the streaming smoother.
Note: The IP interval value means a ratio of “ P-frame / I-frame “ in a certain section of
frame sequences. The ratio lower, the live view clear. However, live view will lag if the
bandwidth isn’t big enough. In this situation, you have to choose another bigger IP interval
value to solve the problem.
Note: If Video Clip Format of General Menu (go “Setting
→ Basic
→
Camera
→
General” ), which is for recording compression, is chosen H.264, the IP interval option will
appear “Auto” automatically and can’t select. The limit is for avoiding damaging the
recording quality of 5 seconds temporary-saved video recorded on FTP server.
