Digital Video Recorders (DVRs) and Digital Video Servers (SVRs) are devices used for video surveillance. DVRs/SVRs take analog video signals from multiple analog surveillance cameras and digitize them. The processing engine encodes the video stream in a digital format such as H.264, Motion JPEG, MPEG-4, or a proprietary codec.
DVRs are used to store and view this video stream locally. SVRs send the encoded video to a large security network by using TCP/IP protocols. Higher performance DVRs/SVRs also have analytics capabilities, allowing for automatic motion detection, virtual fence crossing, and more.
DVRs and SVRs are used to upgrade existing security systems based on analog surveillance cameras. Replacing tape-based VCRs, DVRs/SVRs automate the storage of surveillance data and allow remote access to surveillance installations over TCP/IP networks. DVRs/SVRs typically have 4, 8, or 16 input channels. For further integration, channel counts are increased to 32, 64, and higher.
Digital Video Recorders (DVRs) and Digital Video Servers (SVRs) are devices used for video surveillance. DVRs/SVRs take analog video signals from multiple analog surveillance cameras and digitize them. The processing engine encodes the video stream in a digital format such as H.264, Motion JPEG, MPEG-4, or a proprietary codec.
DVRs are used to store and view this video stream locally. SVRs send the encoded video to a large security network by using TCP/IP protocols. Higher performance DVRs/SVRs also have analytics capabilities, allowing for automatic motion detection, virtual fence crossing, and more.
DVRs and SVRs are used to upgrade existing security systems based on analog surveillance cameras. Replacing tape-based VCRs, DVRs/SVRs automate the storage of surveillance data and allow remote access to surveillance installations over TCP/IP networks. DVRs/SVRs typically have 4, 8, or 16 input channels. For further integration, channel counts are increased to 32, 64, and higher.
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