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zakruti.com » Humor, fun and entertainment » Indy Mogul
$18 DIY Mic Shield Eliminates Reverb! Indy News

$18 DIY Mic Shield Eliminates Reverb! Indy News

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Rating: 4.0; Vote: 1
Griffin shares some cheap, household techniques for absorbing unwanted audio reflections, and designs a simple DIY voice over shield, called the Cone of Silence! (I'm using the Azden SGM-1X shotgun mic)
Date: 2022-09-13

Comments and reviews: 20


Its a really bad idea boss. you sound very flangy and nasally. very cone like. Even tho its dry, its useless.
I can easily remove the reverb with an expander/gate.
It will cost you $50 to buy 96SQ feet of acoustic foam on ebay 24x24 or 12x12 wedges or pyramids.
and creatively sound proof your small room by putting them on key reflective areas in your room (AND DONT OVER DO IT EITHER)
I guarantee you, you will have leftover and your voice will sound 50 times better then that cone of death.
Just notice the video is very old and probably this was already posted.
But I get curious to what people are trying to do with these DIYs and they actually make a lot of mistakes or make things worst.
If you do pro-voice over, get the proper gear or DIY it right.
Trying to go cheap (which is the trend now days) is a very bad investment.

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Sorry, but as a person who is well educated in this field, your voice sounded WORSE with the addition. What you SHOULD have done is just kept it a half circle and put a really cushioned sock over the microphone. or. 2 normal socks, that for sure would have taken away the reverb WITHOUT making it sound like you are talking under the covers.
However, another thing you could have done is spoken in a slightly higher tone than normal to compensate for the extra base, while standing further away from the cone to allow more of your natural voice to dissipate within the room, and whatever made it into the cone would be more pure sound, since the echoing would not have made it through, that would have created a better tone as well.
It IS a nice concept, but you didn't quite pull it off.

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Alternative: If you have a garage you can record your singing VOICE from
your PARKED car parked in garage (if you like sitting & singing or voice over
some do not) use your laptop I pad or phone tapped into radio or other
outside music source. use headphones (wireless preferred) or in car
garage sound source. Also this VOICE recording method works Great
for analog or digital recordings with a simple but Good VOICE RECORDER
w/headphones that has usb or sound card plug in. Fast & Easy & private Cost ZERO.

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I agree about the pro sound treatment. Products from companies like Auralex are much more dense (denser) than egg crate foam. They are WAY more expensive though. I noticed that the cone o' silence had a tendency to make the VO sound kind of boxy by accentuating the midrange frequencies. I wonder if you could change that by moving the mic closer to the opening of the cone? If not. I guess just fix it in the mix. :-)
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car walls are not as thick as you think they are. also the metal shell is a problem - it bounces the sound back making you sound like you're sitting in some deep well. this is exactly why the studio foam is in the shape it is - it's less about absorbing and more about bouncing the sound a different direction than it came from, preventing it from getting back into your mic.
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You really aren't getting that much out of the cone of silence using a shotgun mic. Keep in mind the shotgun's pickup pattern which picks right in front (and behind) while eliminating the sounds coming from the sides. So the cone is doing what the shotgun is already doing. You would probably see more dramatic difference using a mic with cardiod pickup pattern.
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My conundrum is I want to have a nice backdrop view of my office and use the natural light from the window and so adding cones or Shields would either make my backdrop ugly or block my light source. My office is on the larger side too. please help. How can I dampen reverb without sacrificing my light source or backdrop?
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There is less reverb that is true, however the sound signature of your voice is different. There is much more bass and it is not just a fatter voice so you can use the EQ, but it changes the frequency curve entirely. The least expensive is to use your car, it still sounds like a small room but it does not have that boomines.
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Curious- will this help reduce background noise? We'll be shooting a video in an area that not only has horrible reverb, but also is in line of sight where people are on the phone. Unfortunately no one is willing to come in on a weekend to shoot, so we've got to work around the noise! Nice video thanks for sharing. :)
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The recording has a muffled sound because it only stopped the hi-frequency(erased the crispness) and did nothing to the low end.
This design is totally not going to work. sorry. In simple the shape must not have a rough inside-edge and the material is not even close to the NRC value of acoustic foam or Roxul.

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This is an awesome idea!
I record violin for my videos in my bedroom (that has wood floors and high ceilings) and the reverb is deathly and I've not been able to come up with a way to dampen it.
Here's hoping the effect it has on the violin sound is good!

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It does sound muddier than I would like. but I would need to use it with my mic to really be sure.
However, I think the real point in all these DIY projects is to get you thinking creatively on how you might improve your gear situation on the cheap.

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You can really tell it doesn't cover the lower frequency's. I think this in combination of a closet would make perfect audio, clothes have many many pockets of air and great amounts of mass, so it makes for a ideal everyday recording environment.
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I use a tripod/boom-style mic stand most of the time (got it at a music store, and in this video you also see I'm using a PMKS8 gooseneck desktop mic stand (which I got on Amazon. The included mic clip sucked though, so I bought a better one.
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I hav a question: Can we use a car like a recording studio?
the car walls are thick and well isolated from exteriour
P. S: i know you have a shot in this video inside a car but i think that was the in-camera microphone

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how much did it cost your mic and what model is it? thanks because im interested to buy a good mic to record also as a bonus if it works with a gopro hero 3 silver if not is ok as long is under 150$. thanks for the video
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Hi griffin, so I'm using a zoom h1, i wonder if this method works for outdoor? will it reduce background noise and make the zoom h1 record in a more directional way when I'm trying to shoot outdoor with zoom h1?
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Very ingenious! Do you have any idea how to record dialogue between two people in a room with too much reverberation? (and whose acoustics I can not improve. Do you think that this MIC shield could work?
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If you WANT reverb, square up against a reflective surface. For instance, I get the worst reverb when I deliver VO lines while facing my 27 iMac. My voice bounces right off the screen, back into the mic.
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Your cone is causing sound waves to get trapped and resonate inside the cone. That's why it sounds like you are in a tunnel. Try leaving the bottom open to let some of the energy out.
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