FLIR Ariel CM-3202-11-I Installation And User Manual page 35

Operation
Note
Remember to synchronize the QoS setting of the camera with the network router.
Frame Rate: Specify a value between 1-30 for NTSC or 1-25 for PAL. The higher the FPS, the smoother
the motion in the video. The default is the maximum frame rate for the video format.
Rate Control:
CBR (Constant Bit Rate): Specify a constant, maximum bit rate. CBR does not optimize storage or
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quality, because it does not allocate enough data for complex video resulting in degraded quality and
allocates too much data for simple video. Specifying a higher bit rate results in better quality but
requires more storage.
CVBR (Constrained Variable Bit Rate): Varies the amount of data per time segment, up to the
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specified maximum bit rate. CVBR supports both a higher bit rate for more complex video or audio
requiring more storage space, and a lower bit rate for less complex video requiring less storage
space.
CBR Bit Rate / Max Bit Rate: Specify 64 ~ 10000 for H.264 codec or 64 ~ 8000 for H.265 codec. The
default settings are 3110 kbps for 1080p, 1382 kbps for 720p, and 750 kbps for D1. The higher the bit
rate, the better the image quality. Set the maximum bit rate high enough to allow for a high
instantaneous bit rate for more complex video. A higher bit rate consumes more storage space.
Encoding Priority (available only for H.264 with CVBR): This function enables the user to adjust the
quality of the picture along a single axis. The slider ranges from 1 (low bit rate) to 10 (high picture
quality). The default setting is 7.
GOP: Specify a value between 1-60 (NTSC) or 1-50 (PAL). The default is 30 for NTSC and 25 for PAL
(one I-Frame transmitted every second).
The GOP is a group of successive pictures within a coded video stream. Each coded video stream
consists of successive GOPs. GOP structure specifies the order in which intra-coded frames and inter-
coded frames are arranged. The GOP uses I-Frames (Intra-coded Frames), which are static image files
(frames), as a reference for efficient H.264 video compression. Transmitted video frames are compared
to the I-Frame as they are transmitted. Video quality is higher when the interval between I-Frames is
shorter, but the video needs more network capacity. When the interval between I-Frames is longer, the
video transmission uses less bandwidth, but the video quality is lower.
If you select the MJPEG codec, you can configure the stream resolution, DSCP, frame rate, and the
Quality Level: Select High, Mid (default), or Low. Low produces the highest image quality but increases
the file size. High produces the lowest image quality but decreases the file size.
Multicast
Configure how the multicast address the camera uses for video and audio streaming is determined.
Address Type:
• Auto (default): A connected application such as a VMS automatically determines the camera's
multicast IP address.
• Manual: When selected, you can configure the camera's multicast:
Address: A valid multicast address in the range 224.0.1.1 – 239.255.255.254.
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Port: The port the camera uses for multicast streaming.
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CM-3202-11-I Installation and User Guide Revision 100
This document does not contain any export-controlled information.
June 2020 27