Dahua HDCVI 2.0 Tested

By: Ethan Ace, Published on Nov 17, 2014

A strong initial reception but can it repeat?

Dahua's initial HDCVI analog HD offering, with its super low cost and HD resolution, was extremely well received (see IPVM's HDCVI test results).

Now less than a year later, Dahua is releasing HDCVI 2.0 [link no longer available] claiming improved low light, WDR, and new motorized zoom and autofocus functions.

We tested two 1080p bullet cameras, the motorized zoom HAC-HFW2220RN-Z [link no longer available] and the compact HAC-HFW2220-SN, along with the HCVR7216S, a "tribrid" recorder supporting HDCVI, SD analog and IP cameras.

Can Dahua repeat or will this be a dissapointment?

In this test we examine:

  • How do these compare to IP cameras from big competitors like Axis, Hikvision and Samsung?
  • How did low light performance compare to past Dahua models?
  • How much has WDR performance improved?
  • How well does this new tribrid DVR support each type of camera?
  • * ****** ******* ********* but *** ** ******?

    *****'* ******* ***** ****** HD ********, **** *** super *** **** *** HD **********, *** ********* **** received (*******'* ***** **** *******).

    *** **** **** * year *****, ***** ** releasing HDCVI *.* [**** ** longer *********] ******** ******** low *****, ***, *** new ********* **** *** autofocus *********.

    ** ****** *** ***** bullet *******, *** ********* zoom ***-*********-* [**** ** longer *********] *** *** compact ***-*******-**, ***** **** the *********, * "*******" recorder ********** *****, ** ****** *** IP *******.

    *** ***** ****** ** will **** ** * dissapointment?

    ** **** **** ** examine:

    • *** ** ***** ******* to ** ******* **** big *********** **** ****, Hikvision *** *******?
    • *** *** *** ***** performance ******* ** **** Dahua ******?
    • *** **** *** *** performance ********?
    • *** **** **** **** new ******* *** ******* **** type ** ******?

    [***************]

    Key ********

    ***** *** *** *** findings **** **** ****:

    • **** ***** ***** ******* slightly ******** **** ***** generation ******* **** ****** contrast *** ******* ** **** subject.
    • *** *****: **** ******* noise ****** (******* *****-** IR) ** *** * HDCVI ******* ******* ********, obscuring ******* ******* ******** to **** ***** *** HDCVI *** ** *******.
    • ********* *********** *** *** 2 **** ****** **** Gen *, ****** *** to *** **** ***** levels.
    • ** ******* *** ****** across *** ***** ** view, **** **** ***** power ** *** *****.
    • **** ****** *** *********** than past ***** ****** *** Dahua's *** **** ******, though *** ** **** ** true *** ****** **** Axis, *********, ** *******.
    • *** *** ******** (*/*) result ** **** ***** levels ******** ** ******* (3/5), ****** **** ****** contrast *** ********** ** both ****** *** **** areas.
    • ******* ******* ** *** off, ********* ***** *** on-screen ****.
    • ********* **** *** ********* functions ****** ******* *****.
    • ******* *** ****** ******* issue **** *** ***** types ** ********* *******: HDCVI, ******, *** **. A ****** ** ******** when ********* **** *****/****** to ** ** ****.
    • ********** ***** ********** ******* from ****, *****, ****, Samsung, ********, *********, *** others *************.
    • ********* ** ******* **** all ** *** ***** without *****, *** ******* ***** CODEC *** ***** ******* settings *************, ****** ****** side ****** ********* *** supported **** ** ***** cameras (********** ********* **** on ******).

    *******

    ******* *** *** ***** models used ** **** **** is ** *******:

    **** **** *** ** Dahua's ******* ************ ** North *******, ***** ****** reflect ********** **** ****** suppliers. ******* *** ** lower ********* ** ******** or ********.

    ******** ** *** *

    ******* ** *** ***-******** is ************* *** **** as *** ***** ***** generation ***********, *** ******** [link ** ****** *********]. 

    ******** ** **** ***** models, *** ******* *** is ********** **** *********. For *******, *** ********* **** in *** ******** ***** **** **** *** ~$*** ** the ****. * ******* 8-channel *****, *** ********* now ***** ***$***-*** ******.

    ******** ** ** *******

    ** **** ***** ********** models, **** ******* ** ************* lower **** ***** *******' IP ************. *** *******, while *** ***** ***** bullet ***** *** ~$**, a ********** ***** ***** ** ****** is ~~$***.

    ***************

    ** **** *** ** the****** ** **** *********** ** **** ******, Dahua's ****** ***** ********** offers ** ***** ******* while ******* ******** ******, at * ***** ***** lower **** **. *******, for ***** ******* *** top *** ** *** light ***********, ***** ***** falls ***** ** ******* IP ******. 

    *** ******** ****** ******* DVRs *** * **** choice *** ***** ******* to ******* ** ***** while ******* ** ******** existing ****** ******* ** who **** ** *** IP ******* ** ****** applications (**** ** *** light ** *** ****** given *** *********** *****).

    *******, ** ********* **********, Dahua's **** ** * direct ***** ******** ******* presents ********** ** ******* procurement *** **** *******. Integrators **** **** *** product ******* *** ** Dahua's **** ** ***** technical *******.

    Competitive ****** ******

    ***** *.* ***** ** match *** ** ** camera ********* *** ******* image *******, ********* ** manufacturers **** ** ********* here ** **** ** limited *********** *** **** end ************.

    ** *** ******** ****, HDCVI *.* ****** *** analog ** **** *** mid **** ******* **** (zoom, *********, ******** ***, ***.) still ** *** ***** prices **** *** **** IP *********. **** ****** help ********* ******** * market.

    Image ******* ***********

    *** *** * ***** ******* were ****** ******* ******** generation ***** *** ** integrated ** ******* ** our ******** **** *****:

     

    **** ***** ***********

    ** **** *****, ******** of *** *** *** 2 ******* (*********-* *** HFW2220SN) *** ******** ****** than *** ******** ********** HDCVI ******, ********* ******* of *** *******'* ********. White ******* *** ******* bluish, *** **** *** not * ********* *****.

    *** ***** ***********

    ** *** ***** **** IR **, **** *** generation ***** ******* **** noisier **** ***** *******. Additionally, ** ******** *** uneven, **** * ****** center ******* *** ******* weakening ** *** ***** of *** ***** ** view. **** ** ***** issues *** ** **** here:

    **** ********* ***** ********* image ******* ******** ** other ******* ** *** test, **** ******* ** the ******* ********. 

    *** 

    **** *** ********** ***** cameras ******* ** *** off *** ** **** be ****** ** *** the ******'* *** ****. We ****** ********* *** settings ** **** **********:

    **** *** ***, ******* of *** ******* ******* strong ********* *** ********* to *******, *** ** is ********** ************ ** the **** **** ****** the ****. **** *** on ** *** ******* setting (*), ******* *** visible ******* ****** *********, and *** ***** *******. He **** ******* ******* in *** **** **** of *** *****, *** the ***** *******. **** WDR *** ** ******* levels, ******* *** ******** and *** ******* ****** visible **** ** *** door, ****** ******* ***** increases *******.

    *** *********-* *** ********* are *** ******** ** Dahua's ******** ***** *** IP ******* ** **** the ******** ******* *** dark ***** ** *** scene. *********** ******* ********* is ******** ** *** WDR ****** **** ** the **** ***** *** Samsung ***-**** ** **** strong.

    *******, *** ** *** increased ***** ** **** WDR ********, ***** ******* is **** ** *** dark **** ** *** scene ******** ** *** WDR ******.

     

    Bandwidth ***********

    *** ** ***** ******* digital *****, **** ****** generation ***** ***** ******* consumed **** ********* **** HDCVI *** * *** ********** IR ** ******* ** the **** *****. **** the ***-** **** ***** and ******* ***-**** **** higher ** *** *****.

    *** ***** ***** ***** bitrates ** **** ***** and *** *****, ***** at ** *** (*** cameras *****). **** *** drastic ******** ** ********* between *****'* *** * and *** ** ***** models, **** **** ****** the ********* ** *****.

    Tribrid *** *********** 

    *** ********* **** *** ********** with *****, ******, *** IP *******. ********* ** automatic *** ***** *** analog ******* *** ******** no ****** *********. ***** manually ****** ***** ******** will ** ** **** ******* **** *****/****** to ** *** **** requiring * ******. *** following ***** ***** *** three ***** ** ******* attached ** *** ********, and *** ******* *** configuring ********.

    ** ****** *************

    *** ******* *** ******** support *** ***** ** cameras *** ***** *** a ***** ****** ** direct ****** ******* (*****, Axis, ****, *** ****). ONVIF *** ***** ******* are ************* ******** ** the ***** *******.

    ** *** ** ****** connecting ** ******* **** Dahua, *********, ****, ****, Avigilon, *****, *******, ** others ****** *******. *******, note **** ****** ********* is ********* **** ** Dahua ** *******. **** continuous ********* ** ********* for ***** *************.

    Test ********** 

    *** ******* **** ****** using ******* ******** **** the ********* **********:

    • ******* ***** *** ************ to */*** *******.
    • *** *** ****** ** at ******* ****** ** the *********-* *** *********.

    ********* ******** *******: *.***.****.*, Build ****: ****-**-**.

     

     

     

     

Comments (4)

I am curious whether this is in fact DWDR being described as WDR. Lots of companies are doing this now. Conveniently leaving out the 'D'. Is this really double shot WDR or just image enhancement

The Dahua HDCVI 2.0 WDR cameras in this test are digital, not multi-exposure.

Ethan, John,

Is HDCVI 2.0 backwards compatible with 1.0?

Yes, 2.0 is more of a marketing term for better performing cameras, not a fundamental change to how HDCVI transport works.

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