Video Compression; Figure 74: Video Compression Screen - Quasar CF-4251 User And Installation Manual

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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 10-30% over Baseline.
High Profile (HP)
High Profile is the primary profile for HD broadcast and Blu-ray HD disc media applications. It
can save 10-30% of the storage cost over Main Profile. However, it may also increase video
latency, depending on the stream structure. Quasar models default to the Main Profile to
provide the best trade-off between storage size and video latency.
Click Save to confirm the settings.

7.4.2 Video Compression

From the Video Compression page, you can specify MJPEG/H.264 compression settings.
MJPEG Compression Setting
A higher value implies higher bit rates and higher visual quality. The default setting of the MJPEG Q
factor is 35. The setting range is from 1 to 70. Click Save to confirm the setting.
Note:
MJPEG is not supported by Latitude.
H.264-1/H.264-2 Compression Setting
The default setting of H.264-1/H.264-2 is 4096/1024 kbps. The setting range is from 64 to 8192 kbps.
Click Save to confirm the setting.
Note:
The second stream is limited to 2048 kbps.
Compression Information Setting
Select the checkbox to display compression information on the Home page. Click Save to confirm the
setting.

Figure 74: Video Compression Screen

Configuration and Operation
75

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