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10-20-2012, 03:44 PM
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Join Date: Oct 2012
Location: Charlottetown, PE
Posts: 1
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How to get intercom audio into GOPRO cam
Hi All,
I'm looking for a way to get the audio from the intercom into my GoPRO Hero2. I was thinking that I'd just plug a connector from the backseat headphone jack into something that converts it to a 3.5mm jack (which connects to the GoPRO)... however I'm not sure where to get this cable or what it would even be called.
Any thoughts?
Dico
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10-20-2012, 03:56 PM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Just got thru building me a cable to do this exact thing.
There are two issues with just pluging a cable into a headphone jack and the mic input on the Gopro.
First is that the headphone jack is way too much power for the high gain of the microphone jack. It may even damage the camera over time.
Second is that the impedance mismatch that will cause distortion.
While if you plug it straight in, it will work, but it will sound bad and you may damage your camera.
I built this:
http://www.epanorama.net/circuits/line_to_mic.html
I used the 20db pad with the AC coupling capacitor. You need to double this circuit for stereo.
You will need a 1/4" male and a 1/8" male plug. Also some sort of y adaptor if you still want to use the headphone jack for headphones at the same time.
Works perfect for the GoPro!
AIrcraft Spruce also sells the same thing in a store bought version if you don't want to make your own.
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10-21-2012, 03:43 AM
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Join Date: Jan 2007
Location: LI, NY
Posts: 409
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I use a separate recorder.
What I did was buy a separate voice recorder, $50.00. Get one that records to files you can copy off to your computer. They record in mp3 files. Then I add the file to the video as a music clip. You can sync it and all, if you are using the right software. See some of my videos here:
http://www.youtube.com/user/rfazio2009?feature=mhee
__________________
Richard Fazio
LI, NY
N966RV
RV-6 Slider
O-360
FP Wood Prop
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10-21-2012, 04:07 AM
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Join Date: Feb 2005
Posts: 1,082
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Here is a sample of the adapter you want to purchase http://www.pilotshop.com/general-avi...FcNM4Aod5RcAkg
No need to make one or buy a separate recording device and jerry rig something. These adapters are plug-n-play, cheap, and work great. The one I have works great with my Hero2.
__________________
Mike
JAMES AIRCRAFT.com
Flying - RV8 Hot Rod "Drone Killer"
Flying - RV8 "Look'n Good"
RV4 - FAST & FUN! Rebuilt, Flown, Sold
RV-7A Built, Flown, Sold
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10-21-2012, 06:36 AM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Quote:
Originally Posted by Capflyer
Here is a sample of the adapter you want to purchase http://www.pilotshop.com/general-avi...FcNM4Aod5RcAkg
No need to make one or buy a separate recording device and jerry rig something. These adapters are plug-n-play, cheap, and work great. The one I have works great with my Hero2.
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One reason I can think of...that cost $34.95, mine costed $6 to make.
I realize some people don't want to make stuff like this. But just because you make the same thing at home does not mean it is "Jerry" rigged.
ACS sells a higher quality one for $29.95. It does not have the curly cord.
http://www.aircraftspruce.com/catalo...rdingCable.php
Last edited by Brantel : 10-21-2012 at 06:48 AM.
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10-21-2012, 06:59 AM
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Join Date: Dec 2010
Location: Hilton Head Island
Posts: 1,089
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Does anyone make a version without the pigtail ?
__________________
John Mastro
RV-8
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10-21-2012, 07:19 AM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Quote:
Originally Posted by SmilingJack
Does anyone make a version without the pigtail ?
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If you are talking about the curly cord:
yes...ACS:

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10-21-2012, 09:59 AM
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Join Date: Dec 2010
Location: Hilton Head Island
Posts: 1,089
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Brian, I was looking for a cord without the option of plugging in a headset.
Plug directly from a spare headphone jack directly into the gopro.
I have a lemo plug setup with extra standard mike and phone jacks.
Although, the non-curly cord is good to know about.
Thanks,
__________________
John Mastro
RV-8
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10-21-2012, 10:32 AM
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Join Date: May 2006
Location: Houston
Posts: 2,012
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Second the small digital recorder directly into the headset jack. No impedance or over gain issues. Works very well (panasonic recorder, Flightcom intercom). One reason for this is I can get audio from the entire flight that can be used for audio "fill" material (tower, other planes, plane to plane in my flight) for that flight our any other flight video I edit. Especially now that I have remote on/of for my Gopro, voice conversations would have bad continuity.
My 2?
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10-21-2012, 11:08 AM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Quote:
Originally Posted by SmilingJack
Brian, I was looking for a cord without the option of plugging in a headset.
Plug directly from a spare headphone jack directly into the gopro.
I have a lemo plug setup with extra standard mike and phone jacks.
Although, the non-curly cord is good to know about.
Thanks,
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Sorry, I am not aware of one made that way. The one I built does not have the extra female jack. If I need that jack, I just add a Y cable to the mix.
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