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Trunk's Technical Blog

What are the extra files in the HERO3

Posted by Mark Kirschenbaum on

I just learned something tonight after wondering what where those LRV and THM files on my GOPRO HERO3.  Turns out the THM is just a JPG used in the future as a thumbnail for the video and the LRV is a super low res version of the video (432x240). I'm assuming the latter is for playback via wifi or simply as the streaming buffer when the smartphone is used as control. If you want to see this, just rename the...

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Setting up the GOPRO HD HERO3 Black for Skydiving

Posted by Mark Kirschenbaum on

my image The number one question I get now-a-days is, "Trunk, what mode should I set my Gopro 3 in for skydiving?" The purpose of this article is to shed some light on this question and help you figure out what is the best mode for your circumstances. I will also link some great articles for those who wish to learn more. Finally, the biggest issues with this camera will be combated and hopefully give you a better understanding of what to...

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GoPro for Sport Fishing

Posted by Mark Kirschenbaum on

my image (From 2012) I had the pleasure to spend some time aboard the Priority Yacht during the Islamorada SailFly Invitational Tournament. As always, I brought an assortment of GoPro's and my Sony HDR-CX160 to capture the excitement. I learned a ton and the following article shares these findings. First check out the result from this tournament. The purpose of this article is to give Captains, Fishing Guides, and Fishermen an introduction on how to capture great footage with a GoPro HD. It will teach you...

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Sony Action Camera for Skydiving (HDR-AS10, HDR-AS15)

Posted by Mark Kirschenbaum on

my image "An actual skydiving photographer reviewing the Sony AS15 for use while he is filming jumpers" Updated: This camera is a complete POS for skydiving. Do not buy! If you ever have a frame that has a lot of movement in it your image will look like a 1990's camera pixelated and distorted. The white balance is overly cold (blue) on this camera and there is no audio at slow motion. In addition, the mounting is more difficult to get any...

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Connecting a GOPRO 3 to aircraft radio

Posted by Mark Kirschenbaum on

my image I was looking for this but could not find it online so here it is: If you want to connect a GOPRO HERO3 to an aircraft radio all you need to do is buy a GOPRO microphone adapter or a  GOPRO combo cable and jack the speaker out of your radio to the microphone-in on the aforesaid cable. For instance I created a cable for our VXA-150 by using a 3.5mm 4 conductor cable and a 3.5mm 3 conductor cable like below:  ...

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