Gxv3615 Series Video & Audio Page - Grandstream Networks GXV3615 User Manual

GXV3615 IP Camera Series
Grandstream network cameras or digit video cameras in the same subnet.
GXV3615 Series Video & Audio Page
On Screen Display (OSD) Settings
OSD Time/ Text – The time stamp
and channel name displayed on the
screen.
Video Settings
Preferred Video Codec – The GXV3615 supports the H.264 video codec.
Resolution – The higher the resolution is, the better the video quality is, and higher
bandwidth is required.
Low ----------------------- High Resolution
QCIF CIF 2CIF D1
Bit Rate – The number of bits that are
conveyed or processed per unit of time.
Maximum Fram e Rate – The video frame
rate is adjustable based on network
conditions. Increasing the frame rate will
increase the amount of data significantly
therefore consuming m ore bandwidth. Video
will be impaired due to packet loss when
there is insufficient bandwidth.
Bit Rate Control – Variable Bit rate (VBR)
and Constant Bit Rate (CBR).
Variable Bit Rate - If VBR is selected, the codec varies the amount of output data per time
segment. VBR produces a better quality-to-space ratio. The bits available are used to enable
more flexibly and encode sound or video data more accurately, with fewer bits used in less
demanding passages and more bits used in difficult-to-encode passages.
Constant Bit Rate - If CBR is selected, the codec‟s output data is constant regardless of the
input data. The output bit rate is defined in "Bit rate". CBR is useful for streaming multimedia
content on limited capacity channels. It is easier to calculate required bandwidth as well as
the required storage space using CBR.
I-frame Interval – While streaming video over a network, compression technologies are used
Firmware 1.0.4.8 Page 14 of 28
Grandstream Networks, Inc. 11/29/10