ClareControls CH-THSTAT-W Guia do Utilizador descarregar pdf (Página 46)

38 Clare Controls IP Network Camera User Guide

2. In the Stream Type field, select Main Stream (normal), Sub-Stream, or Third

Stream.

Note: Main Stream is optimal for recording and live viewing with good bandwidth.

Sub Stream and Third Stream can be used for live viewing with limited bandwidth.

3. You can customize the following parameters for the selected Stream.

Video type: Set the stream type to video stream, or video and audio composite

stream. The audio signal will be recorded only when the Video Type is Video and

Audio.

Resolution: Select the resolution of the video output.

Bitrate type: Select the bitrate type to constant or variable.

Video quality: When bitrate type is selected as Variable, six levels of video quality

are available.

Frame rate: Set the frame rate to 1/16 to 25 fps. The frame rate descirbes the

frequency at which the video stream is updated. It is measured by frames per

second (fps). A higher frame rate is beneficial when there is movement in the video

stream, it maintains the image quality throughout.

Maximum bitrate: Set the maximum bitrate from 32 to 16384 Kbps. The higher the

value, the higher video quality-but the higher the bandwidth required.

Video encoding: When the Stream Type of the camera is set to main stream, the

Video encoding standard can be set to H.264.

When the Stream type of the camera is sub-stream, the Video Encoding standard

can be set to H.264, MJPEG.

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ClareControls CH-THSTAT-W Guia do Utilizador Página 46