Need Your Help to Decide between T54IR-ZE and Color4K-T and How to Install It

[bigredfish]

My 4KX (bullets) which do Not have the new UI, lose bitrate settings and sometimes exposure when they lose power.

The 4KT I have (original updated new UI) does not do this.

The current latest FW on the 4KX bullet sucks, extremely over sharpened and artifact party

 

[Keizer]

I too have not noticed any issues with my 4K T's after losing power. Mine are all on the original updated new UI firmware as well.

 

[bigredfish]

Right, the T's have the new UI.

The bulllets are on the old UI and diff firmware.

 

[CCTVCam]

I don't have an issues with settings, but recenty they haven't liked having the power removed. They've had it removed many times though over their lifespan, not always without issue. It seems to be some kind of weakness I've never heard of in another camera in here. No other reason why they'd stop speaking to the BI PC as all on a single cable from pc > switch which is a good quality Netgear so same cable apart from final few feet (literally 1 metre or less in my case for both cameras) and same switch.

 

[steve1225]

I have one Color4K-T and I must say the the only one BIG plus is that can generate at 4k/8MP (not 4MP like 5442) very bright & color-full static night images..
That's all..

List of problems which I have with this model is very long. And I don't talk about lack of sharpness / shallow Field of View..

Dynamic range is very lacking - normal backlight mode if not enough for 70% cases - You have overexposure elements on the picture (lights, sky).
WDR implementation is awful - at day it generates strong chroma aberrations for dark elements on bright/sunny background.
WDR at night increases noise a lot.
Default digital sharpening is awful. Video compressor is bad.

it's the only camera which is losing connection with Dahua NVR.. I tried everything (new cables, new POE port etc)..

I hope that second generation of this camera, based on a new SOC from 5442-S3 and released by Dahua in 11/2023 is much better.
But it's now available in the USA.

 

[CCTVCam]

Yeah it's a great idea & a bigger more sensitive chip is the way to go for nightime colour, but it needs more stability, less power / connection issues (mine has come back on it's own tdoay after 3 days!!), a better CPU & / or more memory, a better lens with smaller aperture to increase DOF. I think atm Dahua maybe kept some elements of the camera spec low to keep the price down, but it's bit them in the butt. I also agree on the compression. Picture is awful outside the middle area and zooming in is a pixel mess even slightly. Not what you'd expect from 4K especially with a high bit rate. I'd expect to be able to zoom way in and still maintain full fidelity given the pixel count, before blur & aretefacts took over due to low pixel density but even a mild zoom sends the picture aweful for blur and sharpness. Overall, great nightime picture as is and within the limitations of DOF, but it only needs the slightest bit of zoom to identify someone and the picture falls apart. I always find this a bit puzzling given the range of low light camera / phone sensors now available. Surely there is something that can be used for CCTV that doesn't cost a fortune but fixes all the issue and enhances low light ability further.

 

[Chokolinho]

Very true about the audio. I alternate my sounds between crows and growling dogs on the 4K-X and N55DU82's. Doesn't bother the neighbors, but makes the intruders more than concerned. Once in a while I will add a gunshot sound in the mix.

Where did you get all the files? Could you maybe upload something ?

 

[tmxv4128]

Where did you get all the files? Could you maybe upload something ?

I found all of the free sounds using a Google search. Once I download them, I use DSP-Quattro on my Mac to convert them to mono mp3's (44.1 kHz sample rate) and then make sure their size is no larger than about 120kb before uploading to the cameras. Halloween is the most fun season because I have each of the cameras triggering different sounds in the yard and also use motion detection areas from the cameras to send alarm events (alarm outputs 1 & 2) of my NVR to wireless switches, which then communicate with a SmartThings hub and activate Alexa routines. For instance, I have a "Chucky" doll sitting on the roof of my house and as soon as someone enters my yard, he starts talking and waving his knife around. Then when the trick-or-treater walks down the steps toward my porch, a "Freddy Kreuger" on the porch starts talking and moving his razor glove. Still working on many more things for this Halloween, but the cameras make it really easy.