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Kumara Velu

Kumara has a background in electronic engineering and has been exploring video technology since 1996. He has been a multimedia trainer since 1999, while editing various trade and technical magazines before switching to web publishing in 2007.

NVR vs DVR: Which is Better?

When installing a video surveillance system, there’s a need to choose a video recorder that captures and stores footage from the camera. You’ll be presented with two options – a Network Video Recorder (NVR) and a Digital Video Recorder (DVR). Understanding the difference between the two will ensure that you get the security equipment that […]

What’s the difference between 1080i Video and 1080p Video?

Updated June 2020 Generally, there’s no difference between 1080i and 1080p. Both have the same resolution in terms of pixels – 1920 x 1080. The difference between 1080i and 1080p is in the scan type each uses. 1080i uses interlaced scanning to display pictures while 1080p uses progressive scanning. You may have heard some television […]

What is Video Bitrate? Why Should You Understand It?

To put it simply, video bitrate is the amount of data contained in a video for every second it is transmitted. In other words, it is the number of bits processed in a second. So, bitrate can simply be regarded as data rate. Every 8 bits represent 1 byte. 8 bits = 1 byte 8 […]

Why Choose IP Wireless Security Cameras? Top Benefits

When they were first introduced., they weren’t that popular, owing to their prohibitive cost and inferior image quality. With technology advancement , wireless CCTV cameras have seen superior image quality and their cost have correspondingly dropped to affordable levels. It’s predicted that one day they would be the preferred surveillance camera system, what with the […]

Digital8 Wiki : Why Digital8 Camcorders are Still Useful

Updated 16.7.2021 Digital8 (1999 – 2007) The Digital8  (D8) was a digital camcorder format introduced by Sony in 1999. Two Digital8 models were launched in March of that year, according to a press statement released by Sony on January 7, 1999. Digital8 is the third and final 8mm video format introduced by Sony. Before Digital8 […]

What’s the Difference Between CCD and CMOS Image Quality?

Updated 18.9.2021 Image sensors in video cameras are of two types:     CCD (Charged Coupled Device).     CMOS (Complementary Metal Oxide Semiconductor) What’s the difference between CCD and CMOS? If you’re new to the image sensor game, it’s important to understand how an image sensor works before learning the difference between CCD and CMOS. Light […]

The 8mm Video Format Wiki

8mm Video Camera History  This 8mm video wiki updated 13.8.2021 More 8mm Video Articles While JVC’s VHS and Sony’s Betamax were fighting it out for the crown of the home videotape market, 8mm video​ cameras burst upon the scene to steal the show from the two formats in the mid-1980s. The 8mm video format was […]