GoPro sound recording

Joined
11 August 2011
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Location
Arlington, VA
Trying to figure out if there is a way to make better GoPro videos. The idea is illustrated below. The question is, what sort of microphone will do this properly? Has anyone run a setup like this?

as4t.jpg
 
I tried that setup with my old GoPro 2. Haven't tried it with the Hero 3 yet though. Anyway, perhaps it was my crappy mic, but it didn't sound as good as I thought it would. I did get some engine noises obviously, but I also got a lot more road/tire/suspension noises. If you find an exact mic placement that works let us know. I had my mic mounted on the back center window in the lower center.
 
Same here. I've had it mounted quiet a few places and I have the go pro hero 3, but for some reason it seems the mic doesn't pic up a lot of noise. Not even air...can you turn the volume up on the go pro camera itself?
 
I'll email a link to this thread to a friend that has this stuff fully sorted out, in the hopes that he'll share some insight!

Brian
 
cheap radio shack lapel mic placed in the trunk.

<iframe width="560" height="315" src="//www.youtube.com/embed/XTzuUbBiAlY" frameborder="0" allowfullscreen></iframe>
 
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yes i was going to suggest a small lapel mic (you can get a good quality one from http://www.giant-squid-audio-lab.com/) some where in the engine compartment TAPED down using electrical tape.

if you happen to have a separate audio recorder like an mp3 one, the better since you can adjust volume levels etc etc etc.

a few more suggestions
- use a deadcat fuzzy cover to reduce/eliminate practically all wind noise
- you will likely have to turn the recording level to the minimum
- if you record on a separate audio device, while recording both audio and video on both devices (before hitting the track), simply honk your horn a few times. when editing it will 10 seconds to sync since you will only need to hunt for the audio spike as well as as the video of honking horn.

I would suggest talking to our member "Coolberg", he did just that for our parade lap at the Toronto Indy this year. His profile is here: http://www.nsxprime.com/forum/member.php/28380-Coolberg

Also, I know our member MYW does a lot of filming and his product knowledge is second to none. He can be found here: http://www.nsxprime.com/forum/member.php/25591-myw


cheap radio shack lapel mic placed in the trunk.

<iframe src="//www.youtube.com/embed/XTzuUbBiAlY" allowfullscreen="" frameborder="0" height="315" width="560"></iframe>
 
yes i was going to suggest a small lapel mic (you can get a good quality one from http://www.giant-squid-audio-lab.com/) some where in the engine compartment TAPED down using electrical tape.

Engine compartment isn't a great place as it still picks up wind buffeting from underneath. Deadcat mic cover works up to about 40 mph. At 80-120 mph, not so much.

Inside the trunk has given me excellent results picking up the engine/exhaust sound with ZERO wind noise.
 
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genius!

i know in the fast and furious movies they had high end lapel mics on individual recorders mounted close to the exhausts.

Inside the trunk has given me excellent results picking up the engine/exhaust sound with ZERO wind noise.
 
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You can also see (or hear) here where it will also pick up the rear tires squeal when they slide.... but still no wind noise in the trunk. ;)

I have tried a lot of places and mics and dead cat covers and the best is still a lapel mic in the trunk.

<iframe width="560" height="315" src="//www.youtube.com/embed/1UWh9_EA_8k" frameborder="0" allowfullscreen=""></iframe>

<iframe width="560" height="315" src="//www.youtube.com/embed/x2pLziE2eps" frameborder="0" allowfullscreen></iframe>
 
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too bad my car has no trunk for the mic!

That's because you bought the wrong car. You know the engine is supposed to be in the middle, not back, right?!?

You can also see (or hear) here where it will also pick up the rear tires squeal when they slide.... but still no wind noise in the trunk. ;)

I have tried a lot of places and mics and dead cat covers and the best is still a lapel mic in the trunk.

<iframe width="560" height="315" src="//www.youtube.com/embed/1UWh9_EA_8k" frameborder="0" allowfullscreen=""></iframe>

<iframe width="560" height="315" src="//www.youtube.com/embed/x2pLziE2eps" frameborder="0" allowfullscreen></iframe>

Well, I'm sold!
 
Great info so far, REALLY appreciate the comments! A few noob questions though:

1. What type of clip on mics are you talking about specifically? I see something like the images below on Radio Shack, are those what you are referring to?

pRS1C-2265260w345.jpg
pRS1C-2326329w345.jpg


2. How do you save the audio files? Seems like you need to something to save them to so that you can then later import them.
 
Like the pic above, not the wireless. You plug it into the camera. It records with the video not separately. Your video camera needs a mic jack in.
 
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Hmm. Thinking an independent sound recording make more sense, then combine the two post production. I just can't visualize running wires everywhere like that.

Using the gopro suction cup for the windshield.
 
Was thinking of tossing something like this in the trunk and then just transferring the audio files over and lining them up with the video using the honk horn method to synchronize.


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Here is the sound from a cheap Sony mic running straight into the GoPro and clipped onto the top of the rear license plate. Sounds pretty good IMO though I kind of want to add another mic in the engine bay to get the full sound.

 
Well, funny you should mention that, here's the same mic clipped to the instructor's seatbelt in the case where I really cared about recording his instruction. Windows down at up to 90mph and you can hear him crystal clear. Works pretty well IMO.

 
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