DVR and DVS

Block diagram (SBD) for a Digital Video Recorder and Digital Video Server for HD video surveillance featuring video decoders and audio codecs which allows for storage of data, and enables remote access via TCP/IP networks.

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Design Considerations

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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 (11)

Title Abstract Type Size (KB) Date Views
HTM 8 KB 10 Sep 2012 302
HTM 8 KB 06 Oct 2011 1367
HTM 8 KB 01 Aug 2011 354
HTM 8 KB 18 May 2011 255
HTM 8 KB 01 Mar 2011 220
HTM 9 KB 29 Apr 2010 308
HTM 8 KB 11 Apr 2010 204
HTM 9 KB 09 Dec 2009 116
HTM 8 KB 25 Nov 2009 311
HTM 9 KB 10 Sep 2009 266
HTM 9 KB 17 Jul 2008 1799

User Guides (3)

Title Abstract Type Size (KB) Date Views
htm 8 KB 04 Aug 2010 157
htm 8 KB 16 Nov 2009 107
htm 8 KB 07 Dec 2007 44
    

Reference Designs

Description Part Number Company Tool Type
DM365 Digital Video Recorder Reference Design DM365DVR-UD1 Texas Instruments Reference Designs

Selection and Solution Guides

Selection Guides (3)

Title Abstract Type Size (KB) Date Views
PDF 5.57 MB 12 Aug 2014 6132
PDF 9.51 MB 01 May 2014 23982
PDF 2.55 MB 10 Oct 2013 3901

Solution Guides (1)

Title Abstract Type Size (KB) Date Views
PDF 5.43 MB 15 Dec 2011 2990

Tools and Software

Name Part # Company Software/Tool Type
Code Composer Studio (CCS) Integrated Development Environment (IDE) CCSTUDIO Texas Instruments SW Development Tools, IDEs, Compilers
TMSDM365 Digital Video Evaluation Module TMDXEVM365 Texas Instruments Development Kits

Product Bulletin & White Papers

White Papers (4)

Title Abstract Type Size (MB) Date Views
PDF 2.01 MB 30 May 2012 1080
PDF 2.5 MB 11 Apr 2012 440
PDF 94 KB 16 Jun 2011 159
PDF 150 KB 28 Aug 2009 593

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DaVinci 26 Jun 2013 7:12 PM
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