How To Choose DVR Recorders For Security Systems
Choosing the right DVR recorders can be a hard task. In fact, it can be so hard that some people who work within the industry don't really know what the best option is either. The first thing you need to consider when choosing a digital video recorder is your budget. The more you want it to be able to do, the more it will cost you. Next, you need to consider the frame rate, which is how many frames it can record each second. The higher the frame rate, the clearer your picture will be and the more capable you will be of filming in real time. Next, consider the resolution on the DVR security system you are looking at. Usually, it is 360x240, but you could get better resolutions than that (up to 720x480). The better the resolution, the more detailed your picture will be. You should also look into the compression of the digital video recorders. Better compression allows you to store more data before the memory on your system is full. As such, the storage capacity on DVR recorders is very important. Generally, a cheaper digital video recorder allows for one or perhaps two hard drives. However, the more upmarket models can have six or even eight hard drives, allowing for much more storage capacity. Next, you need to think about the audio recording. Some are able to do this in sync, but others only record one to four audio channels, meaning it may be difficult to synch the audio with the picture. Then, you need to look into the video output. A DVR security system often only has BNC output. This means you need a VGA or BNC converter if you want to be able to see the images on a standard monitor. Higher end models, however, tend to have this installed as standard, as well as having HDMI outputs for even better picture quality. You may also want to look into the remote view specifications. Generally, a DVR is now on a network, which means you are able to view the images through the network. However, just because most systems now have this doesn't mean they all have it, so do look into this. The last thing to think about is the DSP chipsets. This is, in essence, the engine of the digital video recorders. The chipset gives the DVR the power of recording. They compress the images and provide you with the sound as well. This means that a lower end - and cheaper - DSP chipset will provide images and sound of lesser quality.