Network video surveillance systems are composed of central management platforms, front-end devices, transmission networks, and client terminals. Let's explore these components in terms of their logical structure and functionalities.Logical Structure of Network Video SurveillanceThe network video surveillance system consists of central management platforms, front-end devices, support systems, transmission networks, and client terminals. The central management platform is responsible for controlling signals and commands, media exchange, user management, business management, network management, billing management, and statistical analysis. The central management unit, media distribution unit, media storage unit, and business management unit collectively handle control signals, protocol conversion,...

Introduction:As a leading brand in surveillance devices, OHWOAI aims to provide cutting-edge technology and comprehensive solutions for security needs. Among the various functionalities of our camera systems, a frequently asked question is whether surveillance cameras can capture audio. In this article, we will address this topic and shed light on the factors that enable audio recording in surveillance setups.Understanding Audio Recording in Surveillance Cameras:By default, standard surveillance cameras do not have the capability to capture audio. However, some cameras come with built-in microphones, while others can be equipped with external microphones to facilitate audio recording. For...

Resolution—an indispensable parameter in the realm of digital surveillance—holds the key to performance aspects such as clarity, storage capacity, bandwidth allocation, and pricing. Striving for an optimal resolution that enhances video playback quality without inflating costs or data storage requirements is a quest that defines our pursuit of excellence.   Within the dynamic landscape of the surveillance industry, various resolutions take center stage, including QCIF (176x144), CIF (352x288), HALF D1 (704x288), and D1 (704x576). Among these contenders, CIF resolution has carved a prominent niche, embraced by a significant majority of products. CIF's ascendancy can be attributed...