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How to Choose A Good Video Conferencing Camera

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How to Choose A Good Video Conferencing Camera
Latest company news about How to Choose A Good Video Conferencing Camera


Now as gradual expanding market of video conferencing, video conferencing camera becomes more and more important to affect a whole meeting. In this passage, some tips can help you.


First, lens


The lens is an important part of the camera, the photosensitive element of the camera can be divided into CCD and CMOS. CCD (Charge Coupled Device) is a high-end technology component used in photographic imaging. CMOS (Complementary Metal-Oxide Semiconductor) is used in products with lower image quality. Manufacturing costs are lower than CCD, and power consumption is much lower. This is why many products using USB interfaces do not require external power supply. At present, the size of the CCD component is usually 1/3 inch or 1/4 inch. At the same resolution, it is preferable to select a larger component size. Since the video stream effect of the analog camera is quite different from that of the CCD camera, it is not necessary to choose an analog camera cheaply.


Second, pixel


Pixel value is an important indicator to affect the quality of the camera and judge its pros and cons. The pixel values ​​of the early products are generally around 100,000. Due to the low technical content, they are now on the verge of elimination. The mainstream products now have a pixel value of about 350,000. But it is not necessary to consider pixel values ​​blindly. Because the higher the pixel value has, the stronger the ability of the product to parse the image should be. Therefore, when the camera is working, the computer needs to perform data processing. Otherwise, it may cause the image delay, and then affect the transmission of video conferencing.


Third, resolution


Resolution is the camera's ability to resolve images. Of course, it is directly related to the quality of CCD/CMOS. Generally, it can be divided into two types: photo resolution and video resolution, which is the resolution at the time of still picture capture and the resolution at the time of dynamic picture capture. In the practical application of video conferencing, the resolution of the camera is generally higher than the resolution of the video. The types of resolutions that can be given by cameras on the market are also different, so you should pay attention when purchasing. Some resolutions refer to the interpolation resolution that these products can achieve with software, but they are distinguished from the hardware. There is still a certain gap in the ratio.


Fourth,  transmission speed


Camera video capture capability is one of the core functions of the camera. At present, the video capture of the camera is realized by software, so the processing power of the CPU is also required, because the picture requirement is directly proportional to the capture capability. Now the maximum resolution of the camera captured by the general camera is 640×480. Under this resolution, no camera can achieve the capture effect of 30 frames per second, and the picture will be beaten. More realistic is that relying on the combination of hardware and software at 320×240 resolution is likely to reach the standard rate capture indicator, so for a full video capture speed, it is only a theoretical indicator. Therefore, users should choose the right product according to their needs to achieve the desired effect of the video conference.


Fifth,  interface


High data transmission volume, no USB interface is not competent. USB port products have always been plug-and-play, easy to use and willing to be accepted by the majority of computer users. The USB interface not only makes the hardware detection and installation of the camera more convenient, but also the main reason is that the high speed of USB data transmission determines the application of the camera, which better breaks the bottleneck of large data transmission of image files, and makes the computer receive data more. Quickly, make the dynamic image broadcast smoother and smoother. Through the above introduction, tips can help you in selecting a video conferencing camera.


Pub Time : 2018-10-26 16:25:58 >> News list
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