CTC Union DVS-8501E Uživatelský manuál stáhnout pdf (Strana 24)

6.3. Channel parameter

6.3.1. Main stream setting

Main Stream Quality:

VBR (Variable bit rate) – Bit rate is variable depending on video

quality.

CBR (Constant bit rate) –Fix video bit rate.

Frame Rate:

Set picture transferred per second. Maximum is 25 frames in PAL

mode or 30 frames in NTSC mode.

Alarm Quality : All parameter are the same above.

6.3.2. Sub stream setting

Sub stream Setting: All parameter have same meaning as with main

stream.

6.3.3. GOP

Group of pictures: Establishes the gap when a fixed image(i-frame)

appears by amount of time or number of frames.

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CTC Union DVS-8501E Uživatelský manuál Strana 24