DVR Security System Review

The AverDigi Hybrid NV6240 is designed to fit into a free PCI Express slot within your PC and it is suitable for both analog and digital security cameras. NTSC video signals are supported by the card and it can accommodate a maximum of 8 surveillance cameras, if you have more than one PCI Express slot in your PC you may have the option to attach more than one card.

You can view the feed from attached surveillance cameras on your PC’s monitor or on a television as the NV6240 has an RCA output, if you have a high megapixel security camera and have been looking for a DVR card that is up to the job of processing its video feed the AverDigi Hybrid may very well serve the purpose.

The DVR card supports resolutions as low as 352*240 and as high as 1920*1200, there are also a number of 2.3 megapixel security cameras supported by the card. Static, de-interlaced and dynamic interlaced video modes are also supported by the card with the dynamic interlaced modes producing the best image quality. You can route the video output from the DVR card to two monitors simultaneously and it also has a built in noise reduction feature that helps to improve image quality. The DVR card not only processes video signals but also audio signals, You can record the audio feed from up to eight cameras with the card.

Security cameras with pan, tilt and zoom functions are supported by the NV6240 and you can control the position of these cameras through a dedicated joystick attached to your PC, Avermedia have created a dedicated script for PTZ cameras for adding new protocols. The DVR card uses both MPEG-4 and H.264 video compression and it has a built in night vision feature designed to improve the clarity of images picked up by attached surveillance cameras in dark conditions.

Video recording can be activated by various means, you can use the DVR card for recording surveillance camera footage continuously or you can use its motion detection features to activate and de-activate recording. You also have the option to attach external alarms to the DVR card, the card will detect when an attached alarm has been activated and trigger your PC to begin recording surveillance camera footage. A single NV6240 card can accommodate four alarm inputs and four alarm outputs however Avermedia state that up to 96 relays can be attached to the card with the use of third party hardware.

The software included with the video capture card has a significant number of functions, it allows you to view the feed of multiple surveillance cameras attached the DVR card simultaneously on one monitor and you can configure it to send you an email when specific system events occur. Remote monitoring is also supported through Internet Explorer and multiple users can monitor cameras attached to the card through the web browser at the same time. The NV6240 is fairly new at the time of writing and requires a PC with fairly high specifications in order to operate at its best. Avermedia recommend you attach the DVR card to a PC that has either a 3.2 GHz Pentium processor or an Intel dual core 2.4GHz processor in order to achieve the highest frame rates.

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