Dashcam advice please

Kremmen · Posted: Thu Nov 28, 2019 1:10 pm Post subject:

Yes, this clip is 1440@30 but I think I had the bitrate set to medium instead of high, since corrected.

I'll post the link here once it's uploaded to Dropbox because it's not secret.

https://www.dropbox.com/s/dph7x5p6tdabhzd/Kremmen%20Viofo%20A119%20V3%20Sample.MP4?dl=1
_________________
DashCam:
Viofo A119 V3

Privateer · Posted: Thu Nov 28, 2019 1:57 pm Post subject:

Hi K,

Many thanks for the link to the file that I have now downloaded and viewed via Dashcam Viewer.

The quality is excellent and much better than what I can get from my RoadHawk dashcams, even the latest DC3 can only record at 1080p. The downside is that it's double the storage at 201 MB per minute. Although I guess that that might be optimised by bitrate and even using H.265 Encoding if Dashcam Viewer can cope with it. Although it's probably best to keep to H.264 as then anybody can view the footage without worry.

Regards,
_________________
Robert.
iPhone 6s Plus, iOS 14.0.1: iOS CamerAlert v2.0.7
TomTom GO Mobile iOS 2.3.1; TomTom (UK & ROI and Europe) iOS apps v1.29
Garmin Camper 770 LMT-D

Kremmen · Posted: Thu Nov 28, 2019 3:39 pm Post subject:

Yes, the files are large but that's a linked to the quality. 575Mb for 3 minutes

What I've done for my next run out to Reading and back tomorrow is set it to 1080@60.

Just interested to see any difference in quality and filesize given my PC monitor is only 1080.
_________________
DashCam:
Viofo A119 V3

Kremmen · Posted: Fri Nov 29, 2019 3:44 pm Post subject:

Robert

As promised, a 1080@60 for your comments.

I'm not sure, but, oncoming number plates are clearer, although this clip is on the M4 so there aren't any. I haven't uploaded the same stretch of road as yesterday because it was facing the sun so not like for like.

See what you think:

https://www.dropbox.com/s/tb2njn6jnrbqzmk/Kremmen%20Sample%201080%4060.MP4?dl=1
_________________
DashCam:
Viofo A119 V3

Privateer · Posted: Fri Nov 29, 2019 6:05 pm Post subject:

Hi K,

Thanks for the 1080@60 video. Both videos look crystal clear.

I think that I prefer the 1440 view as opposed to the 1080 one, although this is probably because I run 1080 (which is the maximum) on my RoadJHawk.

1080@60 is good for slow-motion playback but not necessary for dashcam IMO. Movies generally film at 24FPS so 30FPS is OK. Also, 1080@60 takes twice as much file size as 1080@30, so I'd prefer 1440@30.

What bitrate have you used for 1440@30 and for 1080@60? Have you tried changing bitrate?

My laptop is a MacBook Pro (Retina, 15-inch, Mid 2015) with a native resolution of 2880 x 1800 although I normally run it at 1440 x 900 unless I'm connecting it to a projector when I set the MacBook Pro to match the native resolution of the projector.

Regards,
_________________
Robert.
iPhone 6s Plus, iOS 14.0.1: iOS CamerAlert v2.0.7
TomTom GO Mobile iOS 2.3.1; TomTom (UK & ROI and Europe) iOS apps v1.29
Garmin Camper 770 LMT-D

Kremmen · Posted: Fri Nov 29, 2019 6:28 pm Post subject:

That 1440@30 was at medium bitrate. Don't know how because I always set it to high. Some other setting must have changed it. The 1080@60 was high.

I've set it back to 1440 and high bitrate. Next journey out to Reading is tomorrow so I'll check when I offload it.
_________________
DashCam:
Viofo A119 V3

Privateer · Posted: Fri Nov 29, 2019 7:24 pm Post subject:

Does the A119 V3 have a config file that it saves on the micro SD card?
_________________
Robert.
iPhone 6s Plus, iOS 14.0.1: iOS CamerAlert v2.0.7
TomTom GO Mobile iOS 2.3.1; TomTom (UK & ROI and Europe) iOS apps v1.29
Garmin Camper 770 LMT-D

Kremmen · Posted: Fri Nov 29, 2019 7:38 pm Post subject:

No

Each firmware update and you need to go through all the settings again.

No big deal though.
_________________
DashCam:
Viofo A119 V3

DennisN · Posted: Sun Dec 01, 2019 2:33 pm Post subject:

I wished last night I was on top quality. This guy drove from Cardiff to Swansea at 6pm with a video playing on a tablet top left of windscreen.

Anbody got a link for the nice policeman to send him a copy of the video?

[IMG]https://hosting.photobucket.com/images/s15/DennisN_2007/1/634695d0-0a95-449d-aec0-f83b9b03db28-original.png?width=1920&height=1080&fit=bounds[/IMG]
_________________
Dennis

If it tastes good - it's fattening.

Two of them are obesiting!!

Kremmen · Posted: Sun Dec 01, 2019 3:20 pm Post subject:

Given that sticks out like a sore thumb that just shows the lack of road policing.

Nextbase have links on their site for sending dashcam footage to the various forces.

https://www.nextbase.com/en-gb/national-dash-cam-safety-portal/
_________________
DashCam:
Viofo A119 V3

DennisN · Posted: Sun Dec 01, 2019 8:55 pm Post subject:

At one stage we were overtaken by a bat out of hell running on blues and twos. When I saw it coming in my rearview I vaguely hoped it was for video man, but it was not to be.
_________________
Dennis

If it tastes good - it's fattening.

Two of them are obesiting!!

topref · Posted: Mon Dec 02, 2019 10:53 pm Post subject:

Report to https://gosafesnap.wales/ in South Wales Police area.

Privateer · Posted: Wed Jan 08, 2020 6:51 pm Post subject:

I'm resurrecting this thread after a month to say a big thanks to Kremmen for recommending the Viofo A119 V3 dashcam.

I've been running the Viofo A119 V3for just over a month (1440 at 30 fps) and is much better than any of the RoadHawks that I have, especially at night!

Running at 1440 allows better zoom in for number plate and other details. Although the downside is that it takes roughly 230 MB per minute of footage when compared to recording at 1080.

Everything that I bought for the dashcam:

VIOFO A119 V3
Samsung EVO Plus 128 GB microSDXC UHS-I U3 Memory Card with Adapter

The following were not strictly necessary but do make it easier to swap between vehicles. NB a cable and a Car Cigarette Adapter Charger are including with the dashcam.

TechRise Car Charger, Mini 2-port USB Car Cigarette Adapter Charger
UGREEN Mini USB Cable USB 2.0 Type A to Mini B Cable Data Charging Cord (1m)
3M Dual Lock Tape

Regards,
_________________
Robert.
iPhone 6s Plus, iOS 14.0.1: iOS CamerAlert v2.0.7
TomTom GO Mobile iOS 2.3.1; TomTom (UK & ROI and Europe) iOS apps v1.29
Garmin Camper 770 LMT-D

Kremmen · Posted: Wed Jan 08, 2020 7:00 pm Post subject:

I agree. It's also better and cheaper than any of the Nextbase models I've had.

Main advantages are, solid mounting solution, top notch Sony QuadHD sensor, very discrete and dedicated CPL filter.

Other benefits are that all the info is embedded within the video including lat/long in decimal degrees, just what we need for verification.
_________________
DashCam:
Viofo A119 V3

Privateer · Posted: Wed Jan 08, 2020 8:16 pm Post subject:

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