What is Home Security Camera DVR?

19-08-5Every home security camera system you find on the market these days is going to require that you determine what kind of home security camera DVR you want for your own home surveillance care. Many companies will provide very simple systems that require a computer chip or software program that you run on your computer. Others will set you up with the right DVR to run the system and store the footage for the appropriate amount of time. DVR stands for digital video recorder and the features of your DVR system are going to play a big part in whether or not having a camera monitoring your home will be useful. With a great DVR system you know that in the case of a robbery or home invasion you have all the important information stored away for the cops later. Without the right DVR you’re camera might be no good at all.

Analog DVR, Wireless IP, and HD-SDI

There are three kinds of systems that you have available to you on the market these days. Analog systems, wireless IP systems and HD-SDI systems, each of which can be set up by professional companies and utilized easily in your own home for surveillance coverage. While all three are used commonly, there are pretty significant differences between the product they provide you with. Understanding the differences will allow you to know what is the right fit for your budget.

  • Analog DVR- Your most basic surveillance system will run off of analog DVR. The cameras these DVRs can support are going to broadcast in TVL or the resolution of analog television. These systems are most certainly the most affordable of all the systems, but they are going to provide the least quality image and storage ability.
  • Wireless IP- These systems are the most common but are not actually DVR systems. Known as NVR or network video recorder systems the information is broadcast over a cat5 cable and is able to use megapixel information to provide you with a much clearer image. Though these systems are more expensive to install and more complicated to maintain, they can be more versatile with their wireless ability and provide for better coverage of a home.
  • HD-SDI- These systems are still new to the market, as far as buyers are concerned. The technology is rather impressive as HD-SDI can not only broadcast in 1080p REAL TIME, but will store the information in equally impressive resolution. Problem is, these systems require a TON of storage space to keep all that 1080p footage stored and they are really expensive. But the systems are user friendly and are growing in popularity meaning hopefully the cost will begin to come down and they will be more available.

Stand Alone or PC Based

For your digital video recording you can choose between standalone systems (that is to say units that are designed for nothing but digital video recording) or PC based systems. Stand alone systems have less versatility as far as utilizing additional software to accomplish tasks like facial recognition, but they can not be hacked and are much more effective at safely storing footage long term since they use hard ware instead of software to accomplish their tasks. PC based units are versatile, but they’re hackable and hard drive failure will mean loss of the whole system. Most companies systems utilize your regular stand-alone unit, but you can always decide what abilities are important to you.

Resolution and Compression

Finally, it’s important that you understand as you decide which DVR system to use what resolution and compression are. You’re going to be dealing with both live feed resolution and recording resolution. This means while most cameras can play live feed at the highest resolution, their DVR isn’t going to record in that same resolution. Since you’re relying on the recorded information for reference after an event like burglary you’re going to want to look for the highest resolution possible the very best on the market right now are something like 704×480. Compression also plays a factor in the quality of image you’re storing and how much footage you can fit, or how well your system can analyze redundancies in each frame and compress to save space. The best number to shoot for is H.264.

This is just a beginner’s guide to the home security camera DVR system, but hopefully it’ll get you started on your way to finding a great security system for your home and needs.