IR bleeding and 4K problems recording

[stanman23]

Hello i'm new here and i want to ask if some one can help me with a problem. (excuse my English)

This is my setup below. The 4th camera will be also some thing like Cam 3 for the back yard.

DVR DS-7604NI-K14P (4 channel 4K, PEO recorder 4TB WD red)


Cam 1 DS-2CD2542FWD-IWS (4mp) Front door (Boght in own country whit official dealer)

Cam 2 DS-2CD2035FWD-I (3MP Darkfighter) Garage door (bought on aliexpress, big seller)

Cam 3 DS-2CD2H85FWD-IZS (8MP-varifocal) Overview front (bought on aliexpress, big seller)


First question I wonder if some one has the same problem. I want the camera's to be "stealth". But at night the camera's go to IR, and i thought that was not noticeble. But the IR lights the camera up like a crismas tree. I tryed to make a photo at night so i can show you. I know how to disable the IR but it will be to dark for that. Does any one els has this problem whit the IR or is it normal?



Sorry for the quality it was very windy and i had to zoom in very far whit a suttertime of 2.5 sec.

But if you walk past my house you can directly see the IR in the dark giving away the camera's. Is it becauce the camera's are from aliexpress or is this normal??

2nd queston

I have a 4K NVR 4 chanel. When i put cam 4 on 4K it will not record propperly. When motion is detected it will record for 3 sec, freezes for 5-15 sec record in slowmotion, frezes again and so on.

Settings:


Any one a clue what it can be?

Thanks! Let me know if you need more information.

Greetings Stan

 

[mat200]

FYI - your IR lights are 850nm wavelength - and with that there will be a red glow which is typical.

If you want "stealth" you will need 940nm IR lights - which are not as powerful at night, however humans can not see this wavelength.

 

[marku2]

Try these settings Stan

 

[Slider]

According to the specs of your NVR it only support H264(+). So Marku2 is right. You might also need to lower other camera settings on your cameras as your NVR has a limit of 40 Mbps on the (incoming) LAN interface.

 

[stanman23]

Hey guys tnx for the response.

I had one cam on H264 and two on H265. Befor i had 2 cams, 1 on H264 and 1 on H265. I did not had a problem then.
I checked the specs and my recorder can handle H265. (ohter whise it shouldnt record the H265.

I lowerd the encription to H264 on all cams (mebye it was to hard to do 2 defferent encriptions. But it still frezes some time's. It frezes especialy when i am on live view. It says that i can record 4x 8MP (=32MP). I now have only 1x2MP, 1x4MP, 1x8MP (=14MP)



I now put every thing on H264+ I hope it will help. I can see the data usage from the IP camera's stayed the same 25.75Mbps (40Mbps possible). On the live viewing it is 24 Mbps (80Mbps possible).

My other thought wat the WD red can't handle it. That i should buy the WD Purple (for camera purpose).

 

[marku2]

Purple drives are built to run 24/7
What your experiencing is simply maximum incoming band width to the nvr
If one wants to run 4K cameras I’ve done this experiment with an eight channel hikvision max amount I could hook up was four before things started to freeze up as I only had x amount of incoming band width for the nvr and a 4K camera eats up a lot at full resolution
as fenderman says stop chasing megapixels
As a system have maybe two and share the rest with good low light cameras
I can post a photo of the 6 2385 sitting in the draw
Yes they market 4K systems but don’t tell you that you have to throttle them back
Your internet speed upload and down load will have no bearing on you camera load into the nvr
And if someone out there can get 8 4 k cameras to work please let me know

 

[marku2]

Ps look up what an 8mp cameras output at full resolution is
it’s quite a bit more than that
Sadly you can’t add the cameras together 8+2+4+5mp =not 19mp not when you want them to run at there full resolution
And that’s the fun part of this hobby learning what works and what does not work
and for you now
You need to fine tune your nvr to balance that incoming load so it runs and records nicely

 

[stanman23]

I think i know what happend.

If you see the tabel above the recorder can only decrypt 2ch x 4Mp(30fps). When i was watching live view i had 3 camera's on screen but enlarged 1 of them. But on the background it was still encoding 3 cam's at 14MP (1x2MP, 1x4MP, 1x8MP). So the live view was interfearing with the recording.

I will let you know in a few days is that was the problem. I put one cam on H264+ (it has no H265), and on 2 cams the H265+ encoding on, now my IP camera stream is 15.75Mbps.

Thanks and greetings.

 

[marku2]

Mess around with your frames per second say start at 15 FPS and match your I frame rate the same
then work up so all can be seen at once
Say set your max bit rate at 6100 run at vbr not fixed

 

[stanman23]

Little update.

I put the settings on high

Strange is when i put the H.264+ on, on cam 1 then it finds it very hard to show images. (long time gray on live view).
If i put the video quality on highest (hoogste) on cam 3 it is gonna stutter. High (hoger) is the best it can handle smooth.

Every thing runs very good right now. It records whitout stuttering. When i look back on my phone on cam 3 (4K) on wifi (5Ghz internet speed 200 Mbps) it will not run smooth. It will on the PC. Maybe to hard for the phone?

The images form the 8MP (4K) at night are not as good as i want. The 3MP low light cam is better. Here some screenshots at night. The day images form the 8MP are great. You can see the details from the street very good.

8MP little zoom
8MP zoomed 3 MP low light little zoom 3MP low light zoomed