How is Analog Video Created?Analog video is created when a video camera records continuous red, green and red light patterns., resulting in a waveform. .How Analog Video is Captured in a Video CameraWhen light enters the camcorder lens, it hits the image sensor chip, creating an electrical charge.The stronger the light, the more powerful the […]
According to the book Emerging Research on Networked Multimedia Communication Systems by Dimitris Kanellopoulos, “A video codec is a hardware device or software, which enables compression or decompression of digital video.”Basically, it takes a big video file and squeezes it into a smaller file size while keeping the original quality as much as possible. It also […]
Clearing the Container-Codec ConfusionMore often than not, beginners exploring digital video tend to be confused with the difference between a video container and a video codec.Here’s a quick explanation to clear the air.Video Container is a Codec Storage HouseA video container is also called a video wrapper. And inside the wrapper is stored a codec.Suitcase […]
Video To MP3 with Top Free Software and ToolsThis is a quick guide on how to convert video to MP3 audio without paying for software.Why Convert Video to MP3?To Extract Educational Audio ContentSometimes the best audio would be contained in a video. For example if there’s a good learning video where the visuals pretty much […]
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 serves your […]
Updated June 2020Generally, 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 sets […]
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 byte8 000 000 (million) […]
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 increase […]
Updated 16.7.2021Digital8 (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 was Hi8 and before […]
Updated 18.9.2021Image 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 enters a […]