Arecont Bandwidth Savings Mode Tested

Author: Ethan Ace, Published on Feb 14, 2014

How would like to reduce your storage costs by up to 50% with just a click of a button? That's the promise of Arecont's 'Bandwidth Savings Mode', a new option that slashes bit rate up to half 'with least impact on image quality.'

On the other hand, we are skeptical of such claims as often they are nonsense (e.g., DVTel's super low bandwidth cameras) and now that bandwidth consumption can vary dramatically (see our Advanced Camera Bandwidth Test Results).

However, such savings, if real, can be enormous so we put them to the test with Arecont's 3MP, 5MP and 10MP.

Two fundamental questions are answered:

  • How much bandwidth can I save by using this mode?
  • How does it impact image quality?

We used an indoor test scene:

And a low light scene:

Finally, we tested the cameras outside against moving vehicles:

*** ***** **** ** ****** **** ******* ***** ** ** to **% **** **** * ***** ** * ******? ****'* the ******* ** *******'* '********* ******* ****', * *** ****** that ******* *** **** ** ** **** '**** ***** ****** on ***** *******.'

** *** ***** ****, ** *** ********* ** **** ****** as ***** **** *** ******** (*.*.,*****'* ***** *** ********* *******) *** *** **** ********* *********** *** **** ************ (*** our******** ****** ********* **** *******).

*******, **** *******, ** ****, *** ** ******** ** ** put **** ** *** **** **** *******'* ***, *** *** 10MP.

*** *********** ********* *** ********:

  • *** **** ********* *** * **** ** ***** **** ****?
  • *** **** ** ****** ***** *******?

** **** ** ****** **** *****:

*** * *** ***** *****:

*******, ** ****** *** ******* ******* ******* ****** ********:

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

Key ********

**** *** *** *** *** ******** **** *** **** ** Arecont's ********* ******* **** (***):

  • ******* ********* ******* **** ** ******** ** ******* ********** ******* from ~**% ** ** **** ** **% ********* ** *** camera *** *****.
  • *******, *******'* ******* ********* **** ******* **** *** *** ************* higher **** *********** ******* (~** **/* **. ~* *** *********** in **** *****). **** **** ** ****** **, ********* ******** higher, ************* * **/*, ****** ******.
  • *** *** ********* ******* **** ** *** *****, *** **** 'bandwidth ******* ****' *** **** *******. ******* ******* ***** ***** by **% *** ********* ******* ***** ******* *** ********* ******* bandwidth.
  • **** ********* ******* **** **, ** ***** ****, *** ******* desaturated ** ******* ******. ***** **** ******** ** * ********** reduction ** ***** ********, ** **** *** **** *** * color ************** (****** ****** ********* ** ***** ** *** ******).
  • **** ****** **** *** ********** ** * ******* ******* ******* with ******* **** **. *******, ******** ****** ** **+ ***** per **** ** * ****** **** *** *** ******* *** blur.

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

********* ******* **** *** ****** ***** ***** (*) **** **** it **, ********** ******* *** ***** ********** ***** *** (*) it ***** **** ***** ************ (***** *** ***** ******). ** the ***** ****, ******* ******* ** ****** *** ************* **** rare.

Full ***** ***********

** *** ****** **** ***** *****, ********* ******* **** ******* bandwidth ** ***** **% ** **** *** ****** *** *******, while ********* * ********* ** **** **% ** *** ******.

***** ** * *** ***** ** *** **** ***** ** full *****:

** *** *** ****** ** ********* ******* **** ** ***** quality, ** ***** ** *** ******* ****** **** ***** **** a ***** ******* *** **** *****. ** **** *****, ************ is *******, *** ***** *** ** *** ******* ** ****** details ********* ** ****** *** ******* ** **** *****.

************ ************ * ******* **** *****, ** *** *** *** **** effects ** ************. ***** *** ******* *********** ****, **** *** AV3116 *** ****** ******, **** ****** ****** ********* ** *****.

Binning ****

***** **** ********* ******* ****, ***** *** ******* ***** ******* of ******* ******* ** ******* ******* **** ** ** *****. This **** ********** ** **% (******** ****** **. ********* **** resolution ** *** ******), ******** ********* ***********, ** **** ** low ***** ***********. **** ***** ********** ******* ******** **** ** *** *********** **** *********** ** *** ***** *********** *** *******:

Low ***** ***********

** *** *****, ** ******* *** *** ***/***** ******* ** switch ** **********, ***** *** ******* ****** ** ***** ****. Bandwidth ********** **** ****** **** **-**% **** *** ****** ***** seeing *** **** *******.

****: ********* ************ ** *** ****** *** **** **** **** binning **:

***** ** * *** ***** ** *** **** ***** ** dark:

** ~* ***, ******* *** **** ****** ******** *** ***** is *******, ********** *** ** * ******** ** ****. **** reduces ****** ****** ** *** ****** *** *******, ***** *** subject's **** ** ********** *****. *******, ** *** ******, *** reduction ** ***** ******** ******* ** **** ******* *** *****.

Motion ****

** ***** **** **** ******** *** ********** ** *** ****** subject **** *** *** ****** **. **** ********** ***** ***** effects ** **** *****, ********** ******* ** *** ******.

** *** ***** **** *** **** ****. **** **** *** cameras **** ************ ** **** (*/***) ******** ** **** *****.

*** ** *** ******** ******* *******, ** ******** ** *** the **** ****** **** ****** ****** *******, ** ****** *** cameras ** * ****** ****. *******, ******** ****** **-***** ** a ****** **** *** *** ******* *** ****** ****.

**** ** *** *** ** *** ******* *****:

****** *** **** ********* ******* **** ****** "**", *** ****** and ***** **** **** *******, ****** *****, *** ********, *** while *** ********** ***********, ***** ******* ** ********** *****. ** an *******, **** ** *** ******* **** ** **** ******, and ****** *** **** ******* *** *** *** ***** ** compared ** *** ****** ***** ******* **** ** *** *** On *****.

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

********* ** *** ****** ** **** ******** ** *** ******* of ***** *** *** ***** *** *******. ******* *** *****, reducing ********* ** ***** **** ** *** **** ***-***** *** nearing **** ** *** ******** ** ***, *** ** ***** remains ****** **** **** ***** *** ******* ** **** ***** (even ***** ********* ** ****** *********** ******* * *** *** 1080p ***** *****).

Comments (8)

***********...****** ** **** ** ******** **** *** ******** ****** *******

*************, **** ********.

****** **** "**************"

********* ******* ****has ****** ********** (*) **** **** ** **, ********** ******* *** ***** frequently *****...

***** **** **** * ********** **********, ***** *** **** *** fact **** "********** ******* *** ***** ********** *****" ****** *** value *** ****** ** ******** ******* ***** ** * *********** one?

* ***** *** ******* ** ********* **** *** ** ***** being **** **** ********** ******* ** ********** ***** ** **** a ********* ***** ** ***********, *** * ***** **** ** goes **** * ****** *** *** ** ********* *** ************* space **** *** "*** ****** *****" *******, ***** ** *** still ** ** ***** ** ******* *** ***** ******* ******* or ******* *** ******* ******* *** ** ******* *** * way ** ****** ******** *******. **** ******** ***** *** * different ********.

*****'* **** ******* **** *** ******* **** ** ** *** part ** * *** ******** ****** ********* ** *** ** certain *********** ***** *******, ** ** ** ******* ** ***** or ******* ***** *******?

**** *** ***** * **** ******* *** * **** ****!

** ~* ***, ******* *** **** ****** ******** *** ***** is *******, ********** *** ** * ******** ** ****. **** reduces ****** ****** ** *** ****** *** *******, ***** *** subject's **** ** ********** *****. *******, ** *** ******, *** reduction ** ***** ******** ******* ** **** ******* *** *****.

* ***'* ***** *** ****** ****** ** *** ****** *** AV10115 ******* * *** **** ******* ** *** ***** ******* in *** **.

***** ** ******* ***** ******?

****. ************* **** ***'* *** * ***** ****** *** ********.

****** ***** ******* ******* **** *** *** ****. *** ************ cameras. **** *** * ************ **** **** ***** *** ******* to ** ** ***** *** ********. ** ***** *** **** it ** ***** ****** **** ******* * ***** *****. ** also ***** * *** ***** ******** ** ***. ** *** dont ******* ** **** ** ******* ****** **** ** **** localbank, ** * ***** *** *** *** *** **********.

********** ** ***? **** ** *******, ********* *** *** ********** of *******'* **** **** *****-******** ***. * ** *** **** what *** **** **********/********* ** *** ******* ******* ** ***** relatively ***** *****. ***:******* *******'* *** ****** (********)

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