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5 Mega-pixel Bullet IR PoE IP Camera
ICA-E3550V
3.9 Video and Audio
The section Video or Video and Audio (for audio supported cameras) provides the options to adjust
the video quality, configure the streaming details of the camera, and audio settings (for Audio supported
cameras only), which will be described on the succeeding pages.
The default settings of the camera are sufficient for most environments and the video adjustments are
not necessary. The following sections explain the ways to configure the video quality or streaming details
in case it is required to do so.
The [+] mark before Video indicates that the list can be expanded by clicking on it. Once expanded, the
list can later be collapsed again by clicking on the [-] mark.
3.9.1 Camera Options
In general, the Camera Options allows users to set line frequency of the camera.
Line Frequency is the function that adjusts the shutter speed options to match with the frequence of
artificial light source of given country. For example, in Europe the light frequency (due to power supply
frequency of lights) is 50Hz, that is 50 flashes per second. By setting line frequency to 50Hz in such
case, the shutter speed options will be proportional with light source frequency, such as 1/25s, 1/50s,
1/100s, etc.
It is necessary to have the camera's Line Frequency adjusted according to the power frequency
of the light source to avoid flickering effect.
The natural light source (sun light) is a seamless flow of light – the Line Frequency setting does not
matter for the cameras that are only exposed to natural light.
3.9.2 Video
The sub-section is also named Video. For Audio supported cameras, there will also be a sub-section
named Audio. The video section is divided into tabs. The functionality of each tab is explained separately
below.
Upon opening the sub-section named Video, the live view of the Stream 1 of the camera will appear.
Since the camera is a dual stream device, it is possible to see how each of the 2 streaming configurations
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