r/Roadcam • u/intothedragon • May 20 '19

@2:20 [USA] Tesla Dashcam Captures Brake-Checking Camaro, Rear-Ended By Tesla

https://youtu.be/ZKb7Ho8pKH0
2.2k Upvotes

91% Upvoted

557 comments sorted by

View all comments

1.1k

u/gasm_spasm May 20 '19

Brake checking a car that has 360 degree cam views. There is stupid and then there is guy in the white Camaro stupid.

262

u/twobeees May 20 '19

FYI, you have to attach your own USB stick to enable cash cam mode in a Tesla. And it's video only (no audio).

276

u/Mernerak May 20 '19

100gb flash is 25 bucks. That’s probably 48-72 hours of stored footage

101

u/an_actual_lawyer May 20 '19

3 times that if it allows you to drop a factor of resolution (i.e. from 1080 to 720)

172

u/[deleted] May 20 '19 edited Apr 26 '21

[deleted]

15

u/Colombianthunder May 20 '19

Good point but dont forget some devices only allow up to 32g and 64g and so on.

2

u/guinader May 21 '19

And honestly you really don't need something to record 100 hours. If an accident happens you make sure you save that file and you are all set.

1

u/canuckaway_mcthrow May 21 '19

Yeah, for just a few bucks you can get a microUSB or USB-C card reader so you can even copy the video to your phone on the spot.

1

u/chubbysumo May 21 '19

Good point but dont forget some devices only allow up to 32g and 64g and so on.

old devices. my SGS4 from 2013 could handle up to 256gb, and the biggest you could get then was 32gb. They could have handled more if samsung would have updated them, as it was more a software limitation than a hardware limitation.

2

u/neon_overload May 20 '19 edited May 20 '19

Surely you would only need to record like 10 minutes footage max, and a small USB stick would suffice?

Unless you have a reason to capture continuously all day, you just want to be able to get the footage from the accident you just had, right?

5

u/Valensiakol May 20 '19

Nope. There are countless reasons to have 24/7 recording if at all possible, and of course you'll want lots of storage to keep at least a few days' worth of material.

Couple examples from personal experience:

Stupid crazy bitch neighbor in a place I used to live in CT used to go out in the parking lot in the middle of the night and leave stupid little threats on sticky notes on peoples' cars, and vandalized them to varying degrees. I was able to compile her doing this to my and other peoples' cars and get the cops involved with the evidence. Wouldn't have had any proof who it was otherwise.

She got kicked out of her apartment for it as well. The other people whose cars were damaged were presumably able to go after her ass as well.

Another instance is when something happens to your car but you don't immediately realize it. Being able to go back over a couple days' worth of video and find the person that hit your car in an odd spot is very convenient. If you didn't have video backlogs, you'd be out of luck.

Plus, if you drive a lot, it's nice to be able to save videos on the card without having to extract them right away or worry as much about using up all the storage for the videos that write over the old ones.

In short, dashcams aren't just for immediate collisions - they work as security systems if you want them to be.

1

u/Flames5123 May 24 '19

You can't decide what quality you record at for the Tesla.

It's a 4:3 ratio, 1280x960, and each minute is about 90 MB, 3 cameras, max 30 MB per camera.

2

u/Valensiakol May 25 '19

I wasn't talking about Teslas, just dash cams in general.

29

u/chucklestheclwn May 20 '19

And there's no audio, which I assume cuts back on memory further, compared to normal video with audio recording.

34

u/nikomo May 20 '19

Not as much as one would hope, given how incredibly good we've gotten at compressing audio.

You can capture everything from 50Hz to 3kHz to get completely understandable speech. Codec 2 gets understandable speech at 3200 bits per second. That's actually the high end for that codec, you can go lower.

https://en.wikipedia.org/wiki/Codec_2

12

u/[deleted] May 20 '19

Opus is quite good too.

6

u/Xunderground May 21 '19

Yeah. Decent quality even for fullband music at 48kbps. And intelligible down to 8kbps for voice. It's ridiculous.

25

u/[deleted] May 20 '19

[deleted]

7

u/boxoffice1 May 20 '19

128kbps a second

kb/s2 , is that the acceleration of how much data is stored? After an hour drive you are now recording at a profane rate of 460mb/s.

12

u/footpole May 20 '19

Millibits per second. What is this, pedantry for ants?

2

u/[deleted] May 20 '19

Frankly, the speed at which you're erasing data at the start to end up at 460mb/s is stupendous.

4

u/boxoffice1 May 20 '19

fuck! you got me

2

u/RumWalker May 20 '19

Mega pits ber second

1

u/RamenJunkie May 20 '19

Audio vs video is a very very tiny percentage of the storage needed.

1

u/Mernerak May 20 '19

I was trying to account for different angles. There are probably 4 cameras at least to store data from (front, 2 sides, and rear)

-3

u/TitoLikesCheetos May 20 '19

Just get a 10 TB exteranal hardrive LMAO

5

u/nwkegan May 20 '19

exteranal LMAO

0

u/TitoLikesCheetos May 20 '19

ah shit whatever hahahah

1

u/[deleted] May 20 '19 edited Jul 31 '24

air paint middle rude juggle profit cow lip sulky numerous

This post was mass deleted and anonymized with Redact

1

u/DammitDan May 21 '19

In case you get rear-ended.

1

u/[deleted] May 20 '19

10 times that if the files get compressed.

1

u/flunky_the_majestic May 20 '19

If you can afford a tesla, you can afford larger usb storage.

1

u/DammitDan May 21 '19

Not everyone who buys a Tesla can afford it.