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  #1  
Old 12-18-2016, 12:49 PM
Stretch's Avatar
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Join Date: Sep 2009
Location: Somewhere in the Netherlands
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SD card BS or not?

G'day folks,

For Christmas my daughter is getting an action cam for her many skate boards and bicycles (so shhhh keep it a secret until after Christmas)...

...chap in shop was banging on about special "action cam SD cards".

I was quite rude and said that sounded like a load of horse **** - surely 1080p HD doesn't need anything "special".

According to the interweb 1080p bit rates are between 3000 and 6000 Kbps (https://support.google.com/youtube/answer/2853702?hl=en) so a class 10 SD card {https://www.sdcard.org/developers/overview/speed_class/} with 10Mbps has got to be good enough...

...still I was wondering if anyone here has actually noticed any benefits (other than emperor's new clothes) with the faster "special" SD cards being sold?

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1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #2  
Old 12-18-2016, 01:55 PM
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Nope. I've been using 1080 for years now at 60fps with standard SD cards and it's been just fine.
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  #3  
Old 12-19-2016, 04:55 AM
Stretch's Avatar
...like a shield of steel
 
Join Date: Sep 2009
Location: Somewhere in the Netherlands
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Thanks - I thought as much
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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #4  
Old 12-19-2016, 06:21 AM
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Join Date: Sep 2008
Location: Dayton, Ohio region
Posts: 302
Class 10 will work, but video quality will suffer...

Class UHS-I U1...card is fast enough for Full HD video recording at 1080p (10MB/s of constant writing).
UHS-I U3...card is fast enough for shooting videos in 4K Ultra HD (30MB/s constant writing) with devices that support the UHS-I standard.

For my hand 1080 camera, the class 10 is sufficient. For my son's GoPro, he needs the higher numbers to pull the best recordings in sound and picture for proper 1080 or higher viewing.

Basically, if all you're doing is 780p viewing, what you bought is fine...anything higher, move up in grade.
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  #5  
Old 12-19-2016, 12:24 PM
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Join Date: Oct 2012
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I don't really keep up with this but I hear the camera guys talk about it.

They go for the fastest writing speed they can get due to the current fad of 'action' shots from the viewers POV. But this is motion picture quality they are after; something that is meant to be seen on the big screen with a minimum of digital touch up.

I think what you have will be find for what you are trying to do since it matches the capabilities of your recording device.

But who knows what we will be using ten years from now?

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