When choosing a suitable front-end capture equipment, a question often arises: Can surveillance devices be used for video conferencing systems? Surveillance devices are usually relatively cheap, much cheaper than the PTZ cameras used in video conferencing systems. So are they compatible? Before answering this question, we must first understand the technical principles of surveillance cameras and video conferencing systems. Surveillance camera systems usually use analog signals to perform front-end capture. Such as surveillance cameras and dome cameras, these captured data are compressed and stored on the hard disk. Meanwhile, PTZ cameras used in video conferencing systems also capture analog signals, and the data is encoded and then transmitted to other clients. From the technical principle, these two methods are basically the same. But why can't surveillance devices usually be used as front-end capture devices for video conferencing systems? The main reason is that the video capture cards and interfaces they are connected to are different. There is a big difference between the capture cards used in video conferencing systems and the capture cards used in surveillance camera systems. Therefore, it is necessary to understand the different types of capture cards.
Generally speaking, video capture cards include VGA capture cards, HDMI capture cards, surveillance cards, streaming media capture cards, TV cards, DVI capture cards, 1394 cards, etc. The capture cards used in surveillance camera systems are a type of video capture card, which usually has multiple data interfaces and can capture multiple video streams simultaneously. On the other hand, the video conferencing capture cards that are usually referred to are called streaming media capture cards, which usually can only capture one video stream. These capture cards convert analog signals to digital signals and transmit data without compression. Therefore, video conferencing capture cards are usually also called video software encoders, and surveillance capture cards are also called video hardware encoders. The difference between surveillance cameras and video conferencing devices lies in the type of capture card, the interface, and how the system is implemented. Monitoring equipment usually uses a BNC interface to connect to a capture card, while video conferencing equipment usually uses an AV or HDMI interface to connect a PTZ camera and a capture card, so monitoring equipment cannot be connected to a video soft compression card used in video conferencing. Conference PTZ cameras also cannot be connected to surveillance cards. OHWOAI's home wireless solar battery and POE powered security cameras are connected to smartphones and the PTZ camera is equipped with an optical zoom function that provides high-definition images, and can monitor a wide range. Equipped with remote monitoring and alarms, no worries anywhere! OHWOAI's home wireless solar battery and POE powered security cameras have various alarms. 5 million high-definition camera, improved heat dissipation and durability, and 4 times longer service life. OHWOAI's home wireless solar battery and POE powered security cameras can be added to 8 cameras. The recorder set comes with a monitor and an automatic overwrite function, so if there is not enough capacity, it automatically covers old data and continues recording. It records well 24 hours a day, 365 days a year.
In addition, there are also differences in system implementation between video conferencing systems and surveillance systems. Surveillance systems usually need to collect multi-channel video images, and these video data need to be compressed and recorded in real time, but real-time compression of multi-channel video is usually difficult to achieve with software. Therefore, surveillance systems usually use hardware encoding for compression. However, in some cases, when the number of collection channels is small, some surveillance systems also support the use of software coding. Video conferencing systems usually use software video encoding, but some video conferencing systems can use hardware encoding to achieve real-time data transmission, and these systems usually use hardware encoding video conferencing systems. In other words, the difference between surveillance capture cards and video conferencing capture cards lies in the type of capture card, interface, and system implementation.
Therefore, you should choose the right capture card and device based on your actual requirements. If you need a video conferencing system, you should choose a device that is compatible with the video conferencing software encoder. If you need a surveillance camera system, you should choose a device that is compatible with the surveillance hardware encoder. OHWOAI provides professional solutions to ensure device compatibility and performance based on your requirements.
Generally speaking, video capture cards include VGA capture cards, HDMI capture cards, surveillance cards, streaming media capture cards, TV cards, DVI capture cards, 1394 cards, etc. The capture cards used in surveillance camera systems are a type of video capture card, which usually has multiple data interfaces and can capture multiple video streams simultaneously. On the other hand, the video conferencing capture cards that are usually referred to are called streaming media capture cards, which usually can only capture one video stream. These capture cards convert analog signals to digital signals and transmit data without compression. Therefore, video conferencing capture cards are usually also called video software encoders, and surveillance capture cards are also called video hardware encoders. The difference between surveillance cameras and video conferencing devices lies in the type of capture card, the interface, and how the system is implemented. Monitoring equipment usually uses a BNC interface to connect to a capture card, while video conferencing equipment usually uses an AV or HDMI interface to connect a PTZ camera and a capture card, so monitoring equipment cannot be connected to a video soft compression card used in video conferencing. Conference PTZ cameras also cannot be connected to surveillance cards. OHWOAI's home wireless solar battery and POE powered security cameras are connected to smartphones and the PTZ camera is equipped with an optical zoom function that provides high-definition images, and can monitor a wide range. Equipped with remote monitoring and alarms, no worries anywhere! OHWOAI's home wireless solar battery and POE powered security cameras have various alarms. 5 million high-definition camera, improved heat dissipation and durability, and 4 times longer service life. OHWOAI's home wireless solar battery and POE powered security cameras can be added to 8 cameras. The recorder set comes with a monitor and an automatic overwrite function, so if there is not enough capacity, it automatically covers old data and continues recording. It records well 24 hours a day, 365 days a year.
In addition, there are also differences in system implementation between video conferencing systems and surveillance systems. Surveillance systems usually need to collect multi-channel video images, and these video data need to be compressed and recorded in real time, but real-time compression of multi-channel video is usually difficult to achieve with software. Therefore, surveillance systems usually use hardware encoding for compression. However, in some cases, when the number of collection channels is small, some surveillance systems also support the use of software coding. Video conferencing systems usually use software video encoding, but some video conferencing systems can use hardware encoding to achieve real-time data transmission, and these systems usually use hardware encoding video conferencing systems. In other words, the difference between surveillance capture cards and video conferencing capture cards lies in the type of capture card, interface, and system implementation.
Therefore, you should choose the right capture card and device based on your actual requirements. If you need a video conferencing system, you should choose a device that is compatible with the video conferencing software encoder. If you need a surveillance camera system, you should choose a device that is compatible with the surveillance hardware encoder. OHWOAI provides professional solutions to ensure device compatibility and performance based on your requirements.
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