CCTV Camera Pros Geovision 8.2 Multicam Digital Surveillance System - Manual (Page 36)

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„ Max. keyframe interval: Raising the value will extend the duration between key frames
and increase compression rate, but reduce image quality slightly. Compression speed remains
the same.
[Evaluation]
„ Encode size: Click to calculate the encoding size based on your encoding settings (see [Setting]
above) and assigned video clip (select PTZ dome or street from the drop-down list). Click the
Stop tab to stop the evaluation.
„ Encode speed: Click to calculate the frame rate based on the encoding settings (see [Setting]
above) and assigned video clip (select PTZ dome or street from the drop-down list).
Multithreading Encoding
The multithreading encoding feature is designed to speed up video encoding, thus achieving
maximum CPU efficiency and frame rate. The performance speedup from multithreading encoding is
most obvious when the multi-processor computer is in use.
1. Click the Configure button (No. 14, Figure 1-2), point to General Setting, and select System
Configure. On the System Configure dialog box, click the Camera Record Setting tab.
2. Check Apply Advanced Codec Setting, and click . This dialog box appears.
Figure 1-16
3. Check Enable multithread encoding. Select Fixed to always enable the multithreading encoding,
or Auto to enable the multithreading encoding based on CPU efficiency.