Video recorder

Video recorder (NVR, DVR) system integrated circuits and reference designs

Description

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A digital video recorder (DVR) and digital video server (DVS) are appliances used in video surveillance. These appliances take the analog video signals from multiple analog surveillance cameras and digitize them. A processing engine encodes the video streams in digital formats such as H.264, motion JPEG, MPEG-4 or proprietary codecs to allow for data storage or transmission.

While the DVR is designed to store and view this video stream locally, the DVS sends the encoded video to the larger security network using the TCP/IP protocol. Higher performance systems also have video content analysis (VCA) capabilities allowing for the automatic detection of motion, crossing of virtual fences, etc.

DVRs and DVSs are used to upgrade existing security systems, which are based on analog surveillance cameras. Replacing tape-based VCRs, the DVR/DVS automates the storage of surveillance data and enables remote access to surveillance installations via TCP/IP networks. DVRs/DVSs typically have 4-, 8- or 16-input channels. With further integration, the channel count will increase to 32, 64 and beyond.

With the advent of IP cameras, systems that accept both analog and digital formats are advantageous as the installed analog camera market base still dominates. For this reason, Hybrid DVRs are available today. These appliances are versatile video recording devices that also must have the capability to perform storage and VCA functions.

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Application notes & user guides

Application Notes (3)

Title Type Size (KB) Date
PDF 93 KB 24 Jun 2019
PDF 675 KB 19 Mar 2015
PDF 81 KB 01 Jan 1998

Product bulletin & white papers

White Papers (2)

Title Type Size (MB) Date
PDF 806 KB 20 Feb 2019
PDF 94 KB 16 Jun 2011

Technical articles

Design & development

Name Part # Company Software/Tool Type
1000M/100M/10M Ethernet PHY evaluation module DP83867IRPAP-EVM Texas Instruments Evaluation Modules & Boards
DP83630 Evaluation Demo Board DP83630-EVK Texas Instruments Evaluation Modules & Boards
DP83822I 10-Mbps & 100-Mbps Ethernet PHY evaluation module DP83822EVM Texas Instruments Evaluation Modules & Boards
EVM for PHYTER™ ethernet physical layer transceivers with industrial temperature range & 10/100 Mb/s DP83849IVS-EVK Texas Instruments Evaluation Modules & Boards
PHYTER® Industrial Temperature Single Port 10 100 Mbs Ethernet Physical Layer Transceiver DP83848I-POE-EK Texas Instruments Evaluation Modules & Boards

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