Video quality
CCD and CMOS sensors for CCTV
In this article, I talk about the difference between CCD and CMOS sensors for CCTV and what are the advantages and disadvantages of these technologies.When a camera captures an image, the sensor is the element that converts the received light into electrical or digital signals.After this conversion to signals, the camera’s main processor can work and enhance […]
What is WDR (Wide Dynamic Range) for CCTV cameras
Before buying a CCTV camera, you need to make sure it is good enough for your application and sometimes the WDR cameras have the technology you need.But first it’s important to understand how this technology works and that’s where I can help you because in this article I answer the question “what is WDR?”(The concept […]
HD-TVI, HD-CVI and AHD comparison (best explained)
I bet you’ve come across this question at some point. “What are the differences between analog cameras, HD-TVI, HD-CVI and AHD?”So it’s time to find the best and most complete answer to this question. In this article, in addition to learning the differences between HD-TVI, HD-CVI and AHD, you will also understand who is behind […]
How to choose the best HDMI cable for CCTV? (2019)
The best HDMI cable for CCTV are the ones that can handle the traffic from the Digital Video Recorder (DVR) or Network Video Recorder (NVR) in high-resolution without compromising the video qualityIn many CCTV installations that use DVRs/NVRs, the customer wants to see the images through a monitor connected directly to the recorder.For this type […]
How CCTV codecs work
When the video is generated by a CCTV camera, is necessary to compress it to save bandwidth and storage space. The compression is performed by a CCTV codec algorithm such as MJPEG, MPEG-4, H.264 or H.265. In this article I will explain how the main CCTV codecs work. Just keep reading…A CCTV codec works just […]