FLIR Ariel CM-3102 User And Installation Manual page 73

Accessing the CM-3102 via a Web Browser
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In the Stream1 section, configure the following settings:
From Resolution drop-down list, select:
For PAL systems: 1920x1080 (Full HD 1080p), 1280x720 (HD 720p), or 720 x 576
(D1). The default is 1920x1080.
For NTSC systems: 1920x1080 (Full HD 1080p), 1280x720 (HD 720p), or
720 x 480 (D1). The default is 1920x1080.
From the Compression drop-down list, select H.264 or MJPEG according to the required
image quality and storage limitations. The default is H.264.
i.
If you select H.264, the following fields are displayed:
a. From the Profile drop-down list, select a profile: High Profile, Main Profile, or Baseline
Profile. Each profile targets specific classes of applications.
Baseline Profile (BP)
Primarily for low-cost applications that require additional data loss
robustness, such as videoconferencing and mobile applications. This is the
most common profile used in IP security cameras due to the low
computational cost of processing the video.
Main Profile (MP)
This profile provides improved picture quality at reduced bandwidths and
storage costs and is becoming more common as the camera processors
(DSPs) become more able to handle the processing load. Main Profile can
save 10-12% over Baseline.
High Profile (HP)
High Profile is the primary profile for HD broadcast applications, providing
the best trade-off between storage size and video latency. It can save 10-
12% of the storage cost over Main Profile. However, it may also increase
video latency, depending on the stream structure. This is the default profile.
b. Set the GOP to a value from 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.
Ariel CM-3102 User and Installation Guide
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December 12, 2018