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Old 09-18-2013, 05:16 PM   #1
strych9
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GoPro Mic Hack - Hear the Full-Throttle Difference!

I recently purchased a GoPro Hero3 Black Edition, mainly for recording my auto sports. It came with a full acrylic case as well as a "skeleton" case, to allow more sound to get to the internal microphones.

I shot some video and the sound was dismal. It was muffled and had bad windnoise. No-go.

I bought an Olympus ME-51S stereo mic, and the short adapter cable for the GoPro. I also had to buy the "super skeleton" acrylic case that allowed for the cable connection.

I wasn't fond of using the 3' extension for the mic, and there was no good way to secure the mic without it. I wanted to be able to have everything secured to the camera, plug 'n' play.

I modified the straight cable into a loop, used a Dremel to notch the connectors, then epoxied the connectors together to form a solid, single piece for my mic attachment. It worked great, and when I added some homemade wind screens to the mics, most windnoise is gone. Success!

Ignore the crude windscreens. This was a prototype, and will be replaced with real windscreens.




Here is the video I shot with my modded mic setup. Listen to the video through a high-quality headphones, or a good sound system. It sounds like you are standing behind the car, in stereo! The camera is suction-cup mounted to my Camaro on the bumper.

Enjoy.

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Last edited by strych9; 09-18-2013 at 08:12 PM.
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Old 09-18-2013, 05:20 PM   #2
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I've been trying to find a solid solution for the wind noise problem
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Old 09-18-2013, 05:52 PM   #3
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Music to my ears! Be cool if you did a drive by as well!
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Old 09-18-2013, 05:54 PM   #4
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Music to my ears! Be cool if you did a drive by as well!
Thanks! I do plan to put together a full compilation video that will have all the proper elements soon!
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Old 09-18-2013, 08:13 PM   #5
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Mic pics added.

Sent from my DROID RAZR HD using Tapatalk 2
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Old 09-18-2013, 08:30 PM   #6
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Wow.
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Old 09-20-2013, 12:44 PM   #7
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I'm subscribing for future reference. Btw, your car sounds awesome!
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Old 09-20-2013, 01:10 PM   #8
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I'm subscribing for future reference. Btw, your car sounds awesome!
Thanks! I will edit my post to show the part numbers for all of the pieces I used for the setup.
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Old 09-20-2013, 01:16 PM   #9
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WOW!! So much better than the regular mic on the Go Pro. You hit the magic spot there for perfect sound. Nice job and nice little run.
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Old 09-20-2013, 02:11 PM   #10
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I never thought of trying that. I have all the parts you have but I was running a cable into the trunk. I figured keeping the mic outside would be very noisy. Doesn't appear to be the case.
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Old 09-20-2013, 02:13 PM   #11
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Quote:
Originally Posted by strych9 View Post
I recently purchased a GoPro Hero3 Black Edition, mainly for recording my auto sports. It came with a full acrylic case as well as a "skeleton" case, to allow more sound to get to the internal microphones.

I shot some video and the sound was dismal. It was muffled and had bad windnoise. No-go.

I bought an Olympus ME-51S stereo mic, and the short adapter cable for the GoPro. I also had to buy the "super skeleton" acrylic case that allowed for the cable connection.

I wasn't fond of using the 3' extension for the mic, and there was no good way to secure the mic without it. I wanted to be able to have everything secured to the camera, plug 'n' play.

I modified the straight cable into a loop, used a Dremel to notch the connectors, then epoxied the connectors together to form a solid, single piece for my mic attachment. It worked great, and when I added some homemade wind screens to the mics, most windnoise is gone. Success!

Ignore the crude windscreens. This was a prototype, and will be replaced with real windscreens.




Here is the video I shot with my modded mic setup. Listen to the video through a high-quality headphones, or a good sound system. It sounds like you are standing behind the car, in stereo! The camera is suction-cup mounted to my Camaro on the bumper.

Enjoy.

Have you tried it facing forward for wind noise?
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Old 09-20-2013, 02:17 PM   #12
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Quote:
Originally Posted by dixonk View Post
Have you tried it facing forward for wind noise?
I plan to play with it a little more this weekend. I'll share my results from mounting the camera in different places on the car and gauge direct wind contact.
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Old 09-20-2013, 02:19 PM   #13
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Old 09-20-2013, 02:56 PM   #14
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Quote:
Originally Posted by strych9 View Post
I plan to play with it a little more this weekend. I'll share my results from mounting the camera in different places on the car and gauge direct wind contact.
I would love to be able to roof mount it without having to tape a cable on my roof going into the trunk.

Where are you getting the mic screens?
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Old 09-20-2013, 03:04 PM   #15
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Quote:
Originally Posted by dixonk View Post
I would love to be able to roof mount it without having to tape a cable on my roof going into the trunk.

Where are you getting the mic screens?
I will try it on the roof for you, For that matter, if anyone else has a mounting suggestion, I'll try that too. I would think the roof mounting would take on the most wind.

As for the windscreens, there are many available online for about $8 apiece. I made mine from miscellaneous headsets that I had laying around. They are low-quality, so I'm going to see if I can source something locally that is better quality, before I test further.
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Old 09-20-2013, 03:12 PM   #16
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Quote:
Originally Posted by strych9 View Post
I will try it on the roof for you, For that matter, if anyone else has a mounting suggestion, I'll try that too. I would think the roof mounting would take on the most wind.

As for the windscreens, there are many available online for about $8 apiece. I made mine from miscellaneous headsets that I had laying around. They are low-quality, so I'm going to see if I can source something locally that is better quality, before I test further.
I have heard the wool is the best as it reduces the most amount of noise while maintaining clarity. The gray fuzzy looking stuff. Just teyingn to find it that small.
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Old 09-20-2013, 03:33 PM   #17
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I have heard the wool is the best as it reduces the most amount of noise while maintaining clarity. The gray fuzzy looking stuff. Just teyingn to find it that small.
If my foam doesn't work well, I'm going to buy the "Storm Chaser" cover on the bottom of the page in the link below. I called and spoke to them about it; it's a one-piece affair that covers the entire mic. Looks like it might be a good option:

http://thewindcutter.com/shop/index....path=1_137_139
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