How to Make High Performance Sound Absorption Panels for $5

In this video I explore the possibility of making DIY sound absorption panels on a budget, later comparing them to much more expensive acoustic foam. The results are pretty amazing!

There have been many comments pointing out that my test only measures transmission and not reflection, so is essentially unsuitable for my initial testing goal. While this is partly true, testing reflection is pretty difficult to do in a home environment, and the only way to do it that I can think of would be to spend a long time in the middle of a field with a powerful speaker and mic rig, which is really beyond the scope of what I was prepared to do for the video.

My tests are not rendered pointless however - it would do no good to have only measured reflection, as the thinnest lightest material would have won (like foam), as nothing would have bounced back. Reflection and transmission need to be tested together to measure how much sound passes through, and how much sound is reflected back - this should give an indication of how much sound is absorbed by a given material.

Regardless, only testing the transmission doesn't affect the outcome of the project at all, as any sound waves reflected by the panels themselves would have theoretically bounced off the wall anyway - again this is why reflection wasn't tested, as it doesn't matter so much for a panel setup (though would matter very much for a vocal booth).

Open to hear any thoughts about it though! Keep up the great discussion. :)

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Автор minato kun ( назад)
u r super

Автор Francis K. ( назад)
can you do tests on felt? to see is that's better than towels?

Автор Joe Fontana ( назад)
this is bloody brilliant.

Автор Mayra Batista ( назад)
If instead using a frame I use a thick woodpanel and place on the window, will It work to block the sound and also absorb It? Thanks for the info, nice video.

Автор Ishiki ( назад)
I'm thinking of getting rid of my bed, can I cut out the foam into little pieces and use them as sound absorption panels?

Автор Azarel & 'Em Publishing ( назад)
Good stuff! Question- Do you have a DIY recommendation for the ceiling? I'm a renter and don't want to do anything that the owner would charge me for when I move out. Thanks in advance!

Автор PO G ( назад)
I think one of these panels would be pretty heavy. Towels are pretty dense. Very interesting test.

Автор WolfPack LTD ( назад)
This is absolute gold, thanks.

Автор canvasch ( назад)

Автор Prince Honkey ( назад)
would painting them interfere?

Автор Shylockza ( назад)
Ey, why no stereo sound mate?

Автор Emmanuel Torres ( назад)
this really blew my mind. great experiment. I'm an sound engineer, and although I kind of knew that cotton fabrics are pretty good insulators, a setup like this never crossed my mind. awesome work

Автор The Blacksmith ( назад)
Wow i love that garden area also i did this and used some water colors for a nice little scene

Автор hallieshouse13 ( назад)
I had to turn up this video to hear it, funnily enough :)

Автор elmotuz ( назад)
My left ear enjoyed the start of the video. These kind of videos where you don't need area awareness via sound cues, it is good to record the audio as mono and copy that audioline to both stereo channels.

Автор GreyMatterProductions ( назад)
Now you have to make some cheap bass traps!

Автор JVONROCK ( назад)
Hmmm, so should I use it for insulation and sound in my van ? People have used cut up jeans

Автор Dario Monet ( назад)
hi! what is the material of the towel? thank :)

Автор Ohloveeh ( назад)
Towels, brought to you by Matt :P

Автор LifeLongCaboose ( назад)
This is a life saver, me and my mates have bin looking for a way to get some extra sound proofing for cheap, thank you so much for making this. Time to get together and make like 30 panels.

Автор Chris Dann ( назад)
great use of towels , I might make one for my cb radio, I use a base mike that picks up every little noise. Great video

Автор DrUranium ( назад)
May I ask, what is obscructible?

Автор mbiraguy ( назад)
You just saved me a bunch of money, man. Thanks!

Автор AXELRAPUNZEL ( назад)
will these work on windows to keep out the outside noise?

Автор TheLittleWorldOfJonah ( назад)
Can I just say your garden us beautiful

Автор AXELRAPUNZEL ( назад)
hi... can you use this to keep sound out from windows? can you see these on windows?

Автор crystalfunky ( назад)
Cool video, but why did you leave out stone wool like rockwool, which is cheap as well. That would have been interesting too.

Автор mian fazle razik ( назад)
Can we use that in cars below matts

Автор アヌズ シンザ リ ( назад)
very great video

Автор TopEvt ( назад)
Really good video and surprised with the results that the towels are better than professional foam.

Автор Lewis Amoroso ( назад)
Love the video! I've watched a lot of these videos and came to the conclusion that roxul safe and sound was the best shop bought option. However, I live in the UK as well and can't find any anywhere! What would you recommend for a UK alternative? Many thanks!

Автор Andre Roth ( назад)
What a great idea. I will try it :-)

Автор PandaRigTC ! ( назад)
after I watch this video I started wondering about other materials light mattress foam topper like a cheap one or cheap spray foam insulation?

Автор Dannie the PRO-sak ( назад)
Now I know how to record well without echo

Автор Wombats ( назад)
Make an infinity room.

Автор James Doyle ( назад)
Great Job, I like the print idea to :)

Автор ComandanteJ ( назад)
Good vid, and very good DIY solution for really cheap. BUT if you had done the test with a shard of glass, your permeability tests would have been much better than the towel. And we all know that glass is, basically, acoustic's WORST ENEMY. A second vid with proper reflectivity testing would be a nice follow-up for this!

Автор Mark Marlowe ( назад)
Brooooo, some headphones users warning would be useful :D I almost died here

Great video as always, now I am gonna hunt for some towels

Автор underscoreCody ( назад)
... headphones

Автор InDK ( назад)
Really men, thank you !
U know, i'm a french guy, and it's really difficult to have a version of ur videos, in my language...

With your work and your exemples, I can clearly understand what you said, that's à pleasure !!

Thank you very much! I'll do this cheap equipment in my own room !

Автор H2Dwoat ( назад)
Could the layering of the towels be a factor in addition to the material

Автор 牛力 ( назад)
Thanks for the scientific test! I would be very interested in finding how do materials do at low frequency, since you only testing above 5kHz where I'm looking for something block my furnace LF sounds... :)

Автор Michi Ilundaria ( назад)
I am needing something like this for my home office to help cut the exterior noises coming in. My question is, would this work in my office, or would it actually need to be in the next rooms since there is a wall there? Thanks for your response!

Автор burmesebeef ( назад)
off i go to the goodwill and home depot

Автор Darko Simonji ( назад)
Can you make bass traps? :)

Автор Кирилл Воронов ( назад)
Вот наконец за бугром и придумали настенные ковры :(
У нас студия для местых рок групп была покрыта со всех сторон коврами, звук был шикарный!.. :D
In Russia, wall carpets have always been used for this. Already many dozens (if not hundreds) of years.

Автор warleb1 ( назад)
I woke up at 6am to get my towels ready but someone had already put there towels out.

Автор Eka Julian ( назад)
great idea dude ^^

Автор wheelofsun ( назад)
very nice.
but what about the bass freqs? how did you control them?

Автор Mohammad Makhdum ( назад)
terrific video

Автор Sabur Onib ( назад)
Unless any sound engineers have done similar testing and get different results i would say you have have done some extraordinarily useful work sir.

Автор cHrIs G ( назад)
thank you brooooooo

Автор Paco Jones ( назад)
$5? More like $15 at least.

Автор Juicefulll ( назад)
you d think there d be a market for what you explain how to make. costs friggin nothing and can be easily sold waaaay cheaper than professional crap while still having a good profit margin. you d think. awesome vid. definitely worth making it yourself.

Автор codespots ( назад)
This guy is hot

Автор Mathieu Simard ( назад)
LISTEN. There is a difference between sound blocking and sound absorption. This is mostly sound proofing. Soundproofing makes your room quieter, by blocking-out external noise, while acoustic Treatment makes your room sound better on a recording, by absorbing excessive ambience.

Soundproofing products keep sound contained in a space, make it impossible for sound to move to other parts of a building, and stop unwanted sound from entering a room. Soundproofing is the solution you want if you’re looking to keep what happens in your conference rooms confidential, or if you want to block the sound of your next-door neighbor’s Metallica records. Sound absorption products, on the other hand, absorb the extra sound waves that bounce around a space and cause poor acoustics, background noise, and bad echo. They don’t stop sound from travelling into adjoining rooms, but they do drastically improve speech intelligibility and the sound quality of rooms, cars, boats, and other enclosed spaces. They improve the quality of the sound within a room.

So be careful, it all depends on your purpose.

Автор Cel ( назад)
my good sir - i indeed adore this video - well done

Автор Eazy Hardy ( назад)
Making 8 of these at the moment. Thank you for the DIY!

Автор Robbert van der Eem ( назад)
Excellent video. Terrible footwear though.

Автор JAKE DYNAIMZ ( назад)

Автор Ray Hayden ( назад)
Excellent video. I just wanted to make note of an off the wall solution that I found quite by accident, but I am sure most of us have noted this - and probably simply forgot about it... When I did laundry last week, I had to pull a comforter out of the dryer... it was almost dry, and I wanted to let it air dry the rest of the way - so I hug it over the shower doors in the typically echo based restroom, and I really noticed the lack of echo in the bathroom during that time.

These panels that you made are great - done right, they also look good, and hanging up on the wall looks good too.

However, for a dusty environment, or a situation where washing and cleaning the sound buffer would be needed, or desired, simply hanging sound baffle towels or blankets - like to make a sound booth - might work nicely as well.

When I get the chance, I will toss together a prototype and see how well that works... oddly enough, I do have actual sound baffles as well, but these would be much more portable, and much less expensive!

Автор deXter2 ( назад)
This test you did do not show how much of the sound is absorbed. You can't tell if it actually is absorbed by a towel or just bounces back (which would be even worse). In other words - methodology sucks.
Nonetheles they seem to work and look decent.

Автор redirect2you ( назад)
Perfect, Thank You!!!! Brilliant testing and well done video! My love is spending time in an Alzheimer's care home and his room's largest wall is opposite a very busy street. We can do nothing permanent to reduce round the clock noise while he resides there, so this will be a wonderful solution.Now, how about the large old single pane windows? Hate to lose the light. Glass Block seems good to me, but don't think the owners will allow such an extreme, permanent solution.  Would you like to test a few cheap solutions for us??

Автор Annabelle Linker ( назад)
This was very useful--thank you

Автор Putins Cat ( назад)
It's a shame he didn't try insulation.  Might be cheaper than a shitload of towels.  Also, the front should be fabric, or a nice picture that matches the size.  I see no advantage to having an old towel on the front surface.

Автор Felix Persson ( назад)
Hi there! Thank you so much for sharing. Extremely impressive. I just have to try this at my home studio.

The best,
Felix Persson AKA FLX
Music producer based in Sweden

Автор Aeroswindler ( назад)
I'm using fabric glue, I don't feel like sewing, especially since I'm a beginner at it. Unless it would affect its performance.

Автор Chimichanga Superstar ( назад)
You have just changed my life in the best way ever. As a sacrifice, would you like my first born, my left testicle, or a large dog that looks a lot like a polar bear?

Автор Cameron Cole ( назад)
God the stereo panning is SO annoying.

Автор Mads Uldall ( назад)
Great video, even better idea! My only concern is that if you wanna use them for a music studio, they won't provide a linear damping. I think that is one of the things you pay for in acoustic foam. But then again I wouldn't care to much as long as they are not all over the room.

Автор Carl Kaseroll ( назад)
Only ytube video that uses Towel to DIY block noise. I wonder why? I used it in my room

Автор 8Finious ( назад)
Can you make something like this for basstraps and diffussers? Since i wanna make my room acoustic so i can finally rely on my monitors. xD

Автор Vonda Krakar Love ( назад)
Genius ♥

Автор mr toad ( назад)
your rig sags when using the towels!

Автор Taker ( назад)
I just saw your video and have a question:
I have a picture with a frame similar to the one you have built in the video. It's a normal painting, so would it be possible to stack some towels to the back of the picture and have the same results as you have? Or does the front need to be fabric?

Автор Herbstlaub ( назад)
Sorry man, you're lacking to distinguish between absorption and reflection. You towels may actually reflect the sound rather than absorbing it.

Автор Red Beard Carpentry & Woodworks ( назад)
very useful!

Автор Ethan Winer ( назад)
The test method shown is very wrong, even if in the end some of the materials helped to improve the sound of the room. First, at frequencies below around 1 KHz plenty of sound gets around the material into the microphone. Second, the idea that less sound getting to the microphone implies (desirable) absorption ignore that a sheet of plywood would block the sound while not offering any useful absorption. The proper way to assess absorbing materials is to see how well they reduce RT60 decays times versus frequencies in a room. But that requires more material than a single small piece. It is possible to test small pieces with a microphone and speaker, but you have to put the material in front of a reflecting wall and use room measuring software, and the details are more involved than I can easily describe here.

Автор JGO Audio ( назад)
Thank you for this extremely valuable work!

Автор LeglessTable ( назад)
Why are you only testing with high frequencies?

Автор Rich Fuell ( назад)
What are the dimensions of the wood you are using..?..thanks for this great video....planning to build a few to hang up when recording vocals in my home studio....

Автор Scyqod ( назад)
what absorbing sub bass frequencies & low mids?

Автор Dmitry Kim ( назад)
you look like Willem Defoe, damn

Автор CyberChrist ( назад)
Clapping one's hands is the best reverb test ^^

Автор kakman1958 ( назад)
I'd love to see the results from carpet. I've seen multimedia studios with carpet on the walls and they sounded quite dead.

Автор jekader ( назад)
Put carpets on walls - tested by generations of Russians who lived in houses with poor soundproofing ;)

Автор Media Addict ( назад)
This is why I never go any where with out my towel, it says so in the in this handy book I have for travelers.

Автор Charvel S ( назад)

Автор Made By Rumyra ( назад)
Um - however appreciative of the tip I am - I don't see why you had to make a thing of sewing sarcastically being 'manly'

Should I make a thing of drilling and sawing being sarcastically 'womanly' considering I shall be doing that too.

Less of the sexism next time please!

Автор Vapaamies ( назад)

Автор GRETST EVR ( назад)
can you do one test with blankets,quilts and towels

Автор Darrell Jacob JR ( назад)
So...carpet, hung like a tapestry, should have roughly the same absorption due to the 'stubbly' surface, similar to the towel. And it comes in larger sheets.

Автор Here Now ( назад)
Why didnt you try carpet and/or underlay ? Much easier to cover a wall with carpet than towel.
Why is this Englishman dealing in dollars ?
The youngest old man I ever saw :)
Thanks for doing the experiments

Автор vahnrondel ( назад)
i cant thank u enough

Автор RawNald777 ( назад)

Автор Fotografia para Iniciantes ( назад)
Simplesmente sensacional, quem diria que uma toalha teria mais eficiência que as espumas indicadas :) Ótimo vídeo

Автор Pelli the Planeswalker ( назад)
This is great! And, in a pinch, one can be placed at the bottom of a door to keep the smoke in, lol.

Автор Selim Shakur ( назад)
Thx man for sharing this, i need to make that so badly, my room is next to the toilets and i can't bear hearing such noises anymore lol

Автор Daniel Cardoso Balieiro ( назад)
#vid • How to Make High Performance #SoundAbsorption Panels for $5 : @DIYPerks : #HyperLink @TechMayas : #DIY : #shared @dbMayaHyperLink : #MayaLink @dbalieiroNET : #WikiLink #WikiSmile ... [;)]

Автор Luan Rodrigues ( назад)
Hi...Does this panel just clear the sound or prevent the sound from escaping or entering a room?

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