Originally Posted by
Aurange_Tiguan
I've had my BlackVue DR400 HD II installed with PowerMagic for a few months now. It's a great setup, but now that I've had it for a while I've noticed some aspects I'm not really happy about.
The BlackVue records in 1920 x 1080px with industry standard formats, etc, but one thing I never considered was the sensor or compression. The BlackVue records at 30fps, but the image quality is not the best. Compared with my GoPro Hero3 Black, or even White edition, the video sensor/compression of the BlackVue has an inferior image quality. To my dismay, the quality is so bad that most of the time I cannot read car plates of moving cars on the road; either driving in front of me or oncoming traffic. I'd have to be 2 or 3 metres away in good lighting conditions with a front-on aspect to read plate numbers.
There are plenty of incidents on my recent 6,000Km road trip where I wish I could identify the car plate of an idiot driver from the video, but although there may be enough pixels, the sensor quality or compression algorithm was inferior.
That said, the motion detection of the BlackVue was good. Even if I park next to a busy road, the camera doesn't seem to be activated by background movement. The maximum microSD card size is 32Gb, and at maximum resolution it equates to about 9hrs recording time before it loops over itself. It gets quite sensitive when driving at higher speeds and logs "Events" at the slightest bump in the road when going 100-110Km/h. Even adjusting X,Y,Z-axis sensitivity doesn't help much there. It's possibly because of windshield mount and the vibrations on the windshield at those speeds.
For now I'm thinking of augmenting the BlackVue with my GoPro camera to capture better image snapshots while the DVR takes in the context with GPS/speed logging.
You can turn compression off and reduce sensitivity. When watching video later If you pause video when vehicle is close I find that number plates are normally readable.. If you want to retain video for future use , heres what to do.
Take card out and put it in computer Open contents and go to "RECORD" folder Copy it to a HDD on computer and you can read it later in Blackvue viewer by changing the path above the video files.
We did that every night on a recent trip to the USA have all the roads we travelled retained for posterity.
Also if you turn the beep off when an event is recorded its less annoying. I have all lights and noises turned off.
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