Video is of two types-Analog Video and Digital Video.-Justify your answer.
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Analog or Digital Video: What's the difference?
The analog process encodes video and audio in complete frames (modulation), with the receiving device interpreting and translating the signal into video and audio on a monitor (de-modulation). This process can introduce a progressive loss of data leading to a general loss of video quality. NTSC can only deliver 720 pixels wide video or stills from video.
Digital video, or DV, on the other hand, remains digital (such as '0's and '1's ) with the data describing the colors and brightness of each video frame. On the receiving end of this data transmission, there is no translation or interpretation, just the delivery of pure data. The consistency of delivery is the crucial advantage that digital video has over analog video when it comes to working with images on a PC. As opposed to NTSC, there is no limit to resolution so images or movies as wide as 4000 pixels are easily obtainable with the digital cameras we sell for microscopy.
When introduced in 1995, Firewire, one of many electronic protocols for A/V also referred to as iLink, IEEE1394 or 1394, provided both the transfer speed, at 400Mpbs, and the consistency needed to allow the average user to edit video on their PC.
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