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Author Topic: 2330 Unacceptable Video Quality and much much more!  (Read 9847 times)

Dystronic

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2330 Unacceptable Video Quality and much much more!
« on: May 10, 2015, 11:28:01 PM »

The image quality is fine in sunlight but begins to severely break up in low light, exhibiting atrocious graininess when under IR alone. My 942 and two other 932's do not have anything even remotely resembling this problem. Take a look at the attached image and tell me whats you think is wrong, and the first one to say " you need more independent IR illumination" loses. This quality is just plain unacceptable in a camera that represents itself as "Night Vision"
I plan to tinker with the settings and hope I find some tidbit of wisdom here, otherwise it's going bye bye to this POS.  Another gripe, I can see why the power cord for an outdoor unit is sealed into the camera housing but why is it also hardlined into the transformer without a plug? Do you expect me to run AC outside to the camera and the same 'elements' where any jackass can unplug it? A simple plug seems like a serious no-brainer. Now I have to cut the cord and splice in my own.
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FurryNutz

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #1 on: May 11, 2015, 07:24:34 AM »

Link>Welcome!

  • What Hardware version is your camera?
  • Link>What Firmware version is currently loaded?
  • What region are you located?
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Dystronic

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #2 on: May 11, 2015, 08:42:49 AM »

Quote
HW: A1
FW: 1.02.05
REGION:US/CAN

Messed around with the sharpness and denoiser. Image became less grainy, but masking that much graininess left the image looking foggy and blurred, like opening your eyes under water.
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FurryNutz

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #3 on: May 11, 2015, 08:56:34 AM »

I presume the lens is clean? If so, maybe you have a faulty unit and would need to be RMAd. It should be crystal clear.

Is the camera near or next to any other electronic devices?

I recommend that you phone contact your regional D-Link support office and ask for help and information regarding this. We find that phone contact has better immediate results over using email.
Let us know how it goes please.
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Dystronic

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #4 on: May 11, 2015, 02:13:34 PM »

After a frustrating battle with D-Link's foreign based support people it was finally determined that the unit was in fact faulty and then, after being asked to call no fewer than 4 different phone numbers, 50++ minutes on the phone and 2 dropped calls later, they suggested I return it to...(wait for it)... the original point of purchase. (DOH!) Just as I was about to throw the camera in blender and send them the pieces, I remembered that this particular part of my Amazon order had been fulfilled BY Amazon itself. Needless to say, within minutes my account had been reimbursed, a new one in now on its way and I am printing a freight-paid bill of lading as I type this. 

Anyway, thanks FurryNutz. I'd give you a big hug, but the visual is making me a little nauseous.
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FurryNutz

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #5 on: May 12, 2015, 07:27:06 AM »

Glad you got it worked out.

Let us know how the new one works out.

No hugs necessary.  ::)
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Dystronic

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #6 on: May 12, 2015, 01:44:55 PM »

Okay Round 2. I really wanted this camera to work as advertised. Went to the store and got another new unit, plugged it in and... same F'ing problem. Below is an image from my 202L illustrating the marked difference in the quality of the various devices on my network, including the new 2330. You be the judge. Would you buy the DCS-2330L based on this image? I hope there's an easy fix waiting, like i forgot to turn off the "look like sh*t" switch or something. If anyone can explain whats wrong or conversely, how D-Link finds this level of quality acceptable in their higher-end units?

I went ahead and changed denoise to 20 and sharpness to 0 and now the quality is about on par with a SD/VGA model. I guess I'll hang it outside and hope it gets stolen first.

Warning: The following image is no BS.
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FurryNutz

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #7 on: May 12, 2015, 01:59:49 PM »

Ok, I've asked a couple of people to review this and comment. Hopefully we can figure out what the problem may be. Understand the frustration. Please be patient.

Thank you.
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FurryNutz

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #8 on: May 14, 2015, 10:06:37 AM »

Is this camera wired or wireless when connected?
What is the Mfr and model of the main host router?
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Dystronic

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #9 on: May 14, 2015, 10:33:55 PM »

The camera is wireless when connected, but the image from the 202L posted earlier was from the plugged-in setup phase over Gigabit ethernet. Router is Linksys EA4500 Gigabit B/G/N router. Currently the image is passable in daylight, but rapidly deteriorates with the onset of dusk, exhibiting sparkling 'granular' artifacts throughout the nighttime mode. They are so bad that even with the denoisier and de-sherpening, I'm having real problems keeping the "noise" from triggering the frame-differencing algorithm, while still allowing legitimate motion detection to transpire. In fact, now that I think about it i'm just going to turn off video motion detection and hope the range on the built-in is good enough.  I don't want to keep flogging a dead horse, but the night image is so bad that last night I unable to tell that the camera was being rained on. I just checked the default settings again and was astounded at the quality. See image attached at bottom. The only reason it even looks that good is the streetlight across the alley helps with background illumination.

Setting the output Resolution to SD has no discernible effect on image quality.
Switching from H.264 to MotionJPEG had no discernible effect on image quality.
Making unholy offerings to the elder gods has had no discernible effect on image quality.

Here is a sample video of me switching the camera manually between default and custom image settings. Framerate is intentionally set to 4 FPS to conserve drivespace. The 202L seems to have introduced some additional compression artifacts, but they are easily distinguished from the 'speckling' at issue. Brace yourself, its not pretty.
https://www.youtube.com/watch?v=WU-wL7jCpA0


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FurryNutz

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #10 on: May 15, 2015, 06:57:47 AM »

I'm going to recommend you phone contact D-Link support on this one. Ask for level 2 or higher support and refer them to this thread so they can review this. This seems to be problem with the camera and the 202L and needs to be reviewed by escalated support help. Please let us know how it goes. If you get a Case#, you can PM me this information.
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Dystronic

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #11 on: May 15, 2015, 02:57:16 PM »

This seems to be problem with the camera and the 202L
The above images are taken directly from the camera feed. The video was rendered from the 202L. I will perhaps try support again, but we will soon run afoul of the law of diminishing returns. At some point it is going to cost me more time/energy/frustration than the camera is worth. Especially in light of how unlikely a solution is. I just hope this thread doesn't get quietly discarded so that people can make informed decisions about their purchases.
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FurryNutz

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #12 on: May 16, 2015, 08:10:51 AM »

We can't presume that the entire product is not good as we haven't been able to find out what is wrong with yours first. Could be a faulty unit that you have or just a bad batch. D-Link needs to review your settings and configuration and go from there. An RMA should be asked for and ask D-Link to look at a unit before they send you the RMA unit. Ask for level 2 or higher support.

The sooner you contact D-link support the fast this can be resolved and lower the ability to return the unit if needed.

Let us know how it goes.
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cmontyburns

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #13 on: May 16, 2015, 12:05:58 PM »

Take a look at the attached image and tell me whats you think is wrong, and the first one to say " you need more independent IR illumination" loses.

Nonetheless, you need independent IR illumination.  You can not want to hear that, but it's still true.  These cameras have poor low-light performance.  With only one IR illuminator, that's to be expected.  (The 942 camera you compare it to has four IR illuminators; no surprise it sees better.)  The image you posted of the car in the driveway looks exactly like what I would expect from this camera at night -- I should know, because I have two of them outside and that's exactly the result I get, too.  So I bought a separate $20 IR illuminator lamp for each camera and problem solved. 

If you're mad that D-Link promised something you don't think they deliver, then you should certainly return the camera and buy something else.  Totally understandable.  Or if you like the camera otherwise, buy an inexpensive illuminator.  But there's no sense in continuing to frustrate yourself trying to get a blood from a stone here.  The camera is behaving properly according to its actual capabilities, from what I see. 
« Last Edit: May 16, 2015, 12:07:37 PM by cmontyburns »
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RYAT3

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Re: 2330 Unacceptable Video Quality and much much more!
« Reply #14 on: May 16, 2015, 02:42:02 PM »

Okay Round 2. I really wanted this camera to work as advertised. Went to the store and got another new unit, plugged it in and... same F'ing problem. Below is an image from my 202L illustrating the marked difference in the quality of the various devices on my network, including the new 2330. You be the judge. Would you buy the DCS-2330L based on this image? I hope there's an easy fix waiting, like i forgot to turn off the "look like sh*t" switch or something. If anyone can explain whats wrong or conversely, how D-Link finds this level of quality acceptable in their higher-end units?

I went ahead and changed denoise to 20 and sharpness to 0 and now the quality is about on par with a SD/VGA model. I guess I'll hang it outside and hope it gets stolen first.

Warning: The following image is no BS.


Did you try the low noise setting in the f/w?

The 2230 is one of the better quality image dlink cameras.
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