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162 | Embedded Network Video Recorder User Guide

Figure 5-23 Video&Audio Configuration Interface

Configuring Snapshot Settings

Click the Snapshot tab on the Video&Audio configuration interface to open the Snapshot

configuration interface.

Table 5-9 Video&Audio Configuration Interface

Configuration Description

Channel Select a channel from the drop-down list.

Code Stream Type • Select from Regular, Motion, and Alarm. You can select a

different encoder frame rates for different recorded events.

• The system supports the active control frame function (ACF).

It allows you to record in different frame rates.

• For example, you can use a high frame rate to record

important events and a lower frame rate to record schedule

events. The system allows you to set different frame rates for

recording motion detection and recording alarms.

Video Enable Check to enable the extra video stream. This is enabled by default.

Compression The main bit stream supports H.264. The secondary stream

supports H.264 or MJPG.

Resolution This value refers to the capability of the network camera.

Frame Rate PAL: 1–25 fps; NTSC: 1–30 fps

Bit Rate Type Select either CBR or VBR.

Bit Rate Main stream: Select a bit rate to change the video quality. The

larger the bit rate, the better the quality. Please see the

Referenced Bit Rate below.

Extra stream: When in CBR mode, the bit rate here is the

maximum value. When there is movement in the scene, the system

needs to reduce the frame rate or video quality to maintain the bit

rate. This is not available in VBR mode.

Reference Bit Rate The recommended bit rate value based on your settings for the

resolution and the frame rate.

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Seagate ST3250412CS Guide de l'utilisateur Page 162