By Anthony C. Caputo
Digital Video Surveillance & defense offers a blueprint for the IP-based digital safety method consumers desire, permitting safety execs to guard their client's office or domestic. the writer supplies certain plans at the most sensible digital camera place, parts of assurance, and software program to choose with a purpose to maximize the effectiveness of more moderen cheaper price networked applied sciences. transparent, step by step descriptions and specified illustrations describe the combination of such parts because the present or new protection method, door and window sensors, or different entry controls, immediately launching a video of the realm less than the surveillance on a working laptop or computer or HDTV.
*Vendor-neutral comparisons of digital camera gear and recording ideas *Case reviews and outlines of top practices *Step-by-step consultant to making plans and set up *Easy-to-read diagrams and schematics
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Extra resources for Digital Video Surveillance and Security
264) is used on Blu-ray discs, which have about twice as many pixels as the same size DVD movie disc but provide more detail. 264 requires massive amounts of horsepower because there are more mathematical computation requirements necessary to achieve the higher quality image at the same 6 MB per second. 264 is a new, very important breakthrough in digital video surveillance. 264 can encode and decode video at a higher quality, using half the bandwidth of any of its codec predecessors. It can provide better quality video for video analytics (see Chapter 10) and use less storage space.
Households own a computer and use the Internet, and within that group only 42% use broadband (the rest are still on 56 K narrowband dial-up). Digital television can provide the advantages of the power of the network to the 34% without the means to access online information, and broadband connectivity to the 58% still struggling with a POTS dial-up connection. ” Analog to Digital It’s easy to understand the profound change in the way we communicate when we observe how video transmissions have changed within the past decade.
Music was originally released as “record albums” – the same method of delivery invented by Thomas Edison in 1877, and in 1911 the original recorded cylinders were replaced with recorded discs (thanks to Columbia Record’s Chapter 2 Digital Video Overview 21 victrolas). It wasn’t until much later in the twentieth century that those vinyl record discs had any competition – first with 8-track tapes (1970s) and then later cassette tapes (1980s). Although the compact disc (CD) player was introduced in 1982, the theory behind it can be traced back to British engineer Alec Reeves who patented “pulse code wave modulation” (PCM) in 1943.