August 26, 2009

Legalities of audio recording

Recording audio in conjunction with video can make a huge difference in the value of the video. Audio recording could be used as evidence in employee misconduct investigations, insurance liability claims or even criminal trials. However, there are state and federal laws that must be considered when recording audio. Not properly following these laws can […]
August 14, 2009

H.264 Video Compression

Anyone who has been researching video surveillance has definitely heard of H.264. H.264 is a video compression standard that provides the most efficient video compression techniques available today without compromising image quality. An H.264 encoder can compress the size of a digital video file by more than 80% compared with the MJPEG format and as […]
August 11, 2009

What is the NTSC And PAL Setting On My DVR?

Many DVRs are compatible with both NTSC and PAL standards. NTSC standard is predominately in North America and PAL in Europe. The PAL and NTSC standard actually refer to the method used to transmit color. The PAL standard actually requires 2 NTSC decoders to display video (one for each line alternatively) while the NTSC standard […]
August 10, 2009

How To Optimize The Motion Detection Settings On Your DVR

One of the greatest features of the modern day DVR is the ability to only record motion events. Before the day of motion recording, VCR’s would record video 24/7 which required you to fast forward or rewind through hours of video to find events you were searching for. In addition, because the recording occurred 24 […]
August 8, 2009

The Relationship Between The Camera TVL And The Resolution Of The DVR

Here is a very common question. How many TVL should the camera have to best use the resolution of my DVR? This is one of the most misunderstood relationships in CCTV. The resolution that the DVR records in refers to the SIZE of the image being recorded. So CIF resolution (360×240) and 4CIF resolution (704×480) […]