Alarm systems. CCTV surveillance systems for use in security applications - Video transmission. Analogue and digital video transmission
Alarm systems. CCTV surveillance systems for use in security applications - Video transmission. Analogue and digital video transmission
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1 Scope The purpose of the transmission system in a closed circuit television (CCTV) installation is to provide reliable transmission of video signals between the various CCTV equipments in security, safety and monitoring applications. Along with high-resolution video interfaces and transmission , the analoguevideo signals are still in use today for video transmission and offer interlaced scanning and the film aspect ratio of 4:3. The complexity of a video transmission system varies in accordance with the requirements of the installation. Examples of the different types of video transmission systems covered by this European Standard are as follows:
a) using dedicated cable transmission media:
– coaxial cable;
– twisted pair cable;
– fibre optic cable;
b) using wireless transmission
Другие стандарты BS