HD SDI / HDcctv Tutorial

By: John Honovich, Published on Aug 20, 2014

Want megapixel but don't want IP? That's the promise of HD SDI / HDcctv. In this tutorial, we examine what it is, how it differs from IP Megapixel and the key factors impacting its use including backwards compatibility, product availability, VMS integration and feature tradeoffs.

[Important: Contrast / compare to Analog HD offerings like HDCVI and HDTVI.]

Analog ******

*********** ****** **** ******* cannot ******* *********. *********** by **** / *** standards, *********** ******* *** limited ** ******** ********** (typically ********** ** *** x *** ** ~*.* megapixel). ** *** *********, those ******* **** ** ** replaced. ** ****, **** has ************** **** **** by ***** ********* ** cameras.

HD ***

***** ********* ** ******* encode ***** ****** *** camera,** ********** *** ******** ************ digital ***** *********. ******* importantly, ** *** *** directly ******* ** ******* cable, **** ****** ******* but ****** ** ***** typically **** *** ******* or ********** ******** *** coax.

** *** ***** ***** are ******* *** ******** in **** ** ***** servers / ******** **** like ****** *******. *******, you ****** ******** ******* them ** * ** or *** ** *** can **** ** *******.

HD *** ** ******

******** * ***** ***** that ** ********** ** certify / ********** **-*** for ************. ********* *.* *************** ****** **-*** **** a ***** ** ********** / **************** *******. ** 2013/2014, *** ****** ********, now ********* ** *****, is ********* / ********** a *** **-*** *********** called*****.

Advantages ** ** *** / ******

*** ********* *** *** advantages ** ** *** / HDcctv over ********* ** *******:

  • ** ******* ************* ******: Unlike ** *******, ** SDI ******** ** ** address, ** ******* *********, no ********, ***.
  • ******* *** *** ******* techs: ******* ** ** similar ** ********** ****** camera, ******* *** **** training *** *** ****** for ******** *****.
  • **-**** ******* *****: ***** most *********** **** ******* cable ** *****, **** allows **** ** **-*** their ***** (********* *** cable ** *** ******** and ** *** *** long).
  • ****** ******* **** *******: Since ** *** ***** is *********** ************, ** it ** ********* ******** on * *******, *** live **** ******* **** be ******** ** ** equal ********** ** ** camera.
  • ***** *******: *****, ***** HD *** ***** ** transmitted ************, ******** ********* PTZs ****** **** ****** control, *********** **** ******** than ** ************.

*******, ** *** / HDcctv ***** *** ***** like *********** ************ *******, making **** **** *********** for ***** **** *********** existing *********** **** ******.

Disadvantages ** ** *** / ******

** *** ***** ****, HD *** / ****** have * ****** ** key ************* ******** ** Megapixel ** *******:

  • ***** **********: ********* ** cameras *** ******** ********* in ***, *** *** 10MP+ ****** ***** ** SDI ** **** ********* in ***** / ***. While ***+ ** ****** options *** ******* *********, HD *** **** ****** at *** *** ***** to ****.
  • ******* ******* ************: ******* being ********* *** * years, ** *** *** only * ******** ** the ******* ********* ** does ********* **. *** limitations ** ****** **** factors, ****, ******** *** large ***** **** (*.*., 16 ****** *****) *** notable.
  • ******** *** ********: ** SDI ** *** ********* compatible **** ****** *********, requiring * *** ********. Equally *********, ********* ***** are ****** *** ** SDI *** ****** ******* stopping ***** **** ****** the *** ** ****** adding ** *** ** the ******.
  • **** ******: ** *** camera *** ******** ***** are ********* ****** **** megapixel ** + ***, limiting *** ********** ** switch.
  • ******* ***** *******: **** few *** ****** ******* HD ***, **** ***** incumbent **** ********* (******* from *****, *********, **********, Bosch, *********, ****, ***.)
  • ** **** *******: ** SDI *******, ** ******, cannot ******* **** *******, one ** *** ******* emerging ****** ** *** industry.
  • ** ********* *** ***********: Video ********** ******** (**** Milestone, *******, ***.) *** only ******* ** *** via ******** (**** *** very ****) ** ******* support ** ******** ** *** ********* (also **** ****).

Future ****

** *** *** ***** taken ***.

*******, ***** ***-** ********* offerings *** ******* ********. Compare / ******** ******** ** ************.

[**** ** ** ****** 2014 ******** ** * tutorial ***** ********* ** 2012.]

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