The monitoring system comprises five primary components: the camera, transmission, control, display, and recording/registration modules. The camera sends video footage to the control host via a coaxial video cable. The control host then distributes the video signals to monitors and recording devices while synchronizing any accompanying audio signals with the video recorder. Operators can use the control host to direct pan-tilt-zoom actions of the gimbal and adjust lens focus, as well as switch between multiple cameras or gimbals. Specialized video processing modes allow for image entry, playback, and optimization to ensure high-quality recordings.
The product lineup includes optical terminals, optical cable terminal boxes, gimbals, gimbal decoders, video matrices, hard disk recorders, surveillance cameras, lenses, and brackets. The system architecture involves several key components such as the front-end monitoring units, management centers, monitoring centers, PC clients, and wireless bridges. Here's a breakdown of these elements:
(1) Front-end Monitoring Units: These are responsible for gathering surveillance data from monitored areas and may include alarm systems.
- **Ordinary Camera + Video Server**: Analog or digital cameras transmit raw video signals to a video server, which encodes them and sends them over a network using the TCP/IP protocol.
- **Webcam**: A modern integrated device combining a camera, video encoder, and web services with an embedded TCP/IP stack, allowing direct network connection.
(2) Management Centers: These oversee the operation of all front-end devices, handling tasks like management, control, alarm handling, video recording, playback, and user administration. Each function is typically managed by specialized servers.
(3) Monitoring Centers: Used for centralized surveillance of areas under their purview, featuring TV walls and client terminals. Multiple monitoring centers can exist within the system.
(4) PC Clients: Besides the main monitoring centers, PCs can connect to the network for remote monitoring purposes.
(5) Wireless Bridges: These devices facilitate wireless data connectivity, enabling access to the internet. They transmit surveillance data from the IP network to wireless terminals or send control commands from wireless terminals back to the video surveillance system on the IP network. Common wireless networks include CDMA.
In addition to these details, the monitoring system often integrates additional features such as analytics software for facial recognition, motion detection, and real-time alerts. Advanced systems might also support integration with IoT devices, offering enhanced security measures and automated responses. For instance, if motion is detected outside a predefined boundary, the system could automatically trigger lights, send notifications to authorized personnel, or even lock doors remotely. This level of automation ensures that potential threats are addressed swiftly, minimizing risks and improving overall safety.
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