How to Make High Performance Sound Absorption Panels for $5

  • Опубликовано:  10 месяцев назад
  • 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. :)
  • КатегорииХобби и стиль
  • Длительность: 8:38
  • Тэги для этого Видео:  diy  project  sound  absorption  panel  acoustic  foam  sound proof  echo  reverb  reduction  treatment  music  home  studio  make  

Комментарии: 2 412

  • Erdo Djunianto
    Erdo Djunianto 13 часов назад

    thank you for saving my money

  • milan hofman
    milan hofman 15 часов назад

    Are Your ears/speakers in your wall??

    Why measure the sound they let trough if you are only interested in what they don't reflect, (try putting a thick panel of glass in between, it Wil come first out of the test, hang your walls with glass and you have a reverb-room)

  • Internet Media Empire
    Internet Media Empire 19 часов назад

    Can I cap windows with this, trying to lessen the sound of train passing outside.

  • Jörg Kirchhof
    Jörg Kirchhof 1 день назад

    why do you use such high frequencies? Human voice mainly takes place in the range below 4khz. and transmission properties are often different to reflection properties.

  • Graeme758
    Graeme758 2 дня назад

    Is that your Ultimate DIY Mic wandering around in the garden?

  • Silmein
    Silmein 2 дня назад

    idk where you live but I can't get 5 towels of that size for $5, let alone wood for frames

  • infergnome
    infergnome 3 дня назад

    Am I wrong, or does his test not actually test the echo reduction? The foam isn't supposed to stop sound from passing through it, its supposed to stop sound from bouncing off of it.

  • gmf iq
    gmf iq 4 дня назад

    can i just tape a towel on my wall and not do the frame?

  • Seung Choe
    Seung Choe 4 дня назад

    Wouldn't a set up of having the microphone behind the speaker and the speaker facing the material make more sense when testing which material is most suitable?

  • Robert Coles
    Robert Coles 4 дня назад

    you need various density material in-between to spread the over the frequency range. also, the frame may not touch the walls... it would create a sound bridge...

  • susto music
    susto music 5 дней назад


  • Gonz@nline
    Gonz@nline 5 дней назад

    Subscribed! You have really smart and useful tips.

  • PelenTan
    PelenTan 5 дней назад

    Damn. Nice. And I actually like the way those look! I may make some just to hang up around here.

  • Jarek Bullfinch
    Jarek Bullfinch 5 дней назад

    In your tests you are confusing sound absorption with sound insulation. You are checking how much sound is being prevented from passing through the material, not bounce off of it. Towels perform better in your test because that have greater mass (which is the main factor in getting good sound insulation). However, sound absorption depends more on porosity and other factors. Notice, that in your test a wooden or concrete plank would perform best! That is why sound absorption tests are performed in reverberant chambers, not in free field, i.e. garden.

    Flawed test, but the idea is still good though. I do believe that "acoustic" foams are mostly rubbish. Simple mineral wool works much better, but the towels are a great idea as well! However, I am pretty sure that you need to spend more than $5 to get 4-5 towels and all that timber framing...

  • Keon
    Keon 6 дней назад

    Aaaaaahhhh all these videos are so cool aaaaaa

  • Pulse/Krilium
    Pulse/Krilium 6 дней назад

    Heh, I'm glad that I have the small box-room in my house now, no noticeable reverberation at all!

  • catonlsd3
    catonlsd3 6 дней назад

    the towel doesn't "absorb" the sound as much as it will not let it though in this case, making it more of a diffuser basically... try the initial test with a sheet of metal for example and I dare you to say it absorbs sound ;)

    RAY ALLEN 6 дней назад


  • Lajos György Mészáros
    Lajos György Mészáros 6 дней назад

    Awaiting comments about flammability

  • Kris McGovern
    Kris McGovern 6 дней назад

    Lots of missinformation!!!
    There is a difference between sound absorbtion and soundproofing. (Google it!!) the setup in the video measures the soundproofing because the microphone is on the other side of the material. But what affects the sound “quality” inside the room is the absorbtion. To keep it simple: flat surface = more reflections= bad sound. Like a wall for example. This is why the towel thing works.

  • GriffyBoiii
    GriffyBoiii 7 дней назад

    Thank you so much! Manliness achieved

  • kaka pupu
    kaka pupu 7 дней назад

    Would thick blankets be as effective as towels? Does the towel have some specific features that makes it useful for sound absorption or would any similar material do (like bedsheets, quilts, carpets even)?

  • Wendell G.
    Wendell G. 7 дней назад

    Hey Matt, Could you compare the towels with regular fiberglass and Rock Wool?

  • Legendary Huntsman media
    Legendary Huntsman media 7 дней назад

    Stop stupid argument.. Whether its towel or cheap material.. as long as they are doing well with quality of my studio? why we must to argue? I dont care about your research or engineering fact whatso ever, as long its doing job well, why bother? i know it's work because im using its.. Stop unless just to try make you look awesome with fact or research only..

  • Mesh Tutors
    Mesh Tutors 8 дней назад

    we use layers of egg trays in our radio station and they work well

  • ZM Vlogz
    ZM Vlogz 8 дней назад

    I read this as, "DIY AUTISTIC PANELS" very sorry.

  • Richard Burns
    Richard Burns 8 дней назад

    How will it hold up against my loads of gizz blasts?

  • shriramvenu
    shriramvenu 8 дней назад

    this is a test of sound BLOCKING not absorption!. To properly test for sound absorption, you need to create an echo chamber, by putting the speaker and microphone in a wooden or metal box together with the material lining the walls, and measure the echo.

  • Scrotumdepoulpe
    Scrotumdepoulpe 8 дней назад

    Sound tip : don't record in stereo. My left ear is dead since the introduction.

  • Pippsters
    Pippsters 9 дней назад

    The acoustic foam isn't meant to absorb sound like how you tested it's meant to limit echos and the towels just muffle the sound they do help with echo cancellation but you didn't test the foams correctly

  • elmohead
    elmohead 9 дней назад

    As a professional kidnapper, I can confirm that a woolen fabric is indeed best for sound absorption. Best if you soak in chloroform prior to doing your own DIY kidnapping.

  • diamened
    diamened 9 дней назад

    Is there a similar test with cork and styrofoam?

  • no u
    no u 9 дней назад

    Man that first 13 seconds was probably the most truth i've heard from any youtube video ever lol


    Thank you for your effort. I appreciate it!

  • Thomas Green
    Thomas Green 10 дней назад

    South Parks' "Towlie" approves this message.

  • Frynker Murr
    Frynker Murr 10 дней назад

    I thought it was a video on making acoustic ceiling tiles. But I found this to be way cooler

  • hammockmonk
    hammockmonk 10 дней назад

    Wow, great sound quality for your video. Cheers, mate!

  • Michael W. Perry
    Michael W. Perry 10 дней назад

    Those who'd like to build larger and without the need for a wooden frame might want to pick up sleeping bags, comforters, or blankets at a thrift store. Two blankets, one on top of the other and hung from the wall, deadened the sound in my bedroom quite well. They should quite as well with sound passing through the walls of an apartment.

  • Bazil Joseph Toy Loy
    Bazil Joseph Toy Loy 10 дней назад

    Wow. This is really some good stuff. Thanks for sharing.

  • Rubens Lopes
    Rubens Lopes 10 дней назад

    This was so thorough, it's almost a scientific paper. Thanks!

  • Kevin Willemse
    Kevin Willemse 10 дней назад

    Isn't the sound that bounces off of the panels more important than the sound that reaches all the way through the panels? Perhaps if you check the amount of sound that bounces off of the panels you might find better results with the proper acoustic foam than you did now.

  • Dale Anderson
    Dale Anderson 10 дней назад

    Nice work on the panels i have a question though. For your application, shouldn't you have been measuring reflected sound. your test is more about how much noise is making it to the neighbouring room. the results may end up similar but maybe shoot the sound at a 45 deg angle at the sample and measure the bounce off. i did somthing like this in high school physics and made half a periscope and replaced the mirror with test material.

  • TheMikeall714
    TheMikeall714 10 дней назад

    Is it possible to have a canvas frame as an alternative for the outer layer? Just so that it will act as both a painting and a sound absorber... The inside of the canvas obviously will be filled with towels.
    Thanks in advance.

  • AudioBytes
    AudioBytes 10 дней назад

    Wow, for once, an audio related video that is based on measurement and not subjective BS. Sir, I tip my had to you. Well done!

  • LifeInTheOrient
    LifeInTheOrient 10 дней назад

    Thank you very much for this video. I live in Japan and am remodeling my garage to have a computer room built into it. I wanted to dampen the sound reverb and things like acoustic foam cost an arm and a leg out here. Now I don't have to spend heaps of money. Thanks for this.

  • Jojo Mahama
    Jojo Mahama 11 дней назад

    Low cost gear is a figment of everyone's imagination.

  • Lars Halvor Hansen
    Lars Halvor Hansen 11 дней назад

    You are testing it wrong! You shoud test How much the sound bounces off the material not how well it travels to the other side!

    • gmf iq
      gmf iq 4 дня назад

      we got it by trial and error no need to study

    • Tibor Klein
      Tibor Klein 10 дней назад

      I won't.

    • Lars Halvor Hansen
      Lars Halvor Hansen 10 дней назад

      Tibor Klein study sound bro

    • Tibor Klein
      Tibor Klein 10 дней назад

      Why would he? It's obvious that it would perform poorly compared to fiber...

    • Lars Halvor Hansen
      Lars Halvor Hansen 10 дней назад

      Tibor Klein He didnt test the foam on the wall though

  • Baba Tova
    Baba Tova 11 дней назад

    i wonder, can you use canvas painting as a frame, and those it would also be nice addition?

  • The world in green
    The world in green 11 дней назад

    that is the meaning of GENIUS so simple yet sooooo usefull!

    • The world in green
      The world in green 11 дней назад

      really liked your video i sub right now! thanks!

  • A Fox
    A Fox 11 дней назад

    How does testing whether something allows sound to pass through it tell you how good it is at not reflecting sound. I understand testing absorption but in your test a small piece of plywood would have the best results as it would prevent most of the sound from passing through it to the microphone by reflecting it back in the other direction. But we all know that a piece of plywood would not work as an acoustic treatment for a room and would actually be worse that the gypsum board on your walls. What you need to test reflection is a microphone and reflective material such as the plywood. Build a small box place your material in the bottom of the box then place the speaker emitting your test sound at least 20 inches from and facing the opening of the box. Place your microphone just to the side and behind the speaker. The better material will reflect less sound back out of the box.

  • Wang Bo
    Wang Bo 11 дней назад

    man, great work!

  • Sivan Sharma
    Sivan Sharma 11 дней назад

    You obviously are doing your testing wrong. You need to test sound wave absorption and reflection and not permeability. i.e. your microphone needs to be placed on the same side as the source and you need to isolate it to measure reflected sound only.

  • neverknows best
    neverknows best 11 дней назад

    Well the acoustic foam is there to keep sound from bouncing back. So testing the levels which sound goes through it isn't really a good test of its job. Something can block sound from going through it. And yet still reflect sound from the outside. The problem with your testing is how you've set it up. With the sound deadening in the middle.

  • bookmarkthis
    bookmarkthis 11 дней назад

    but what can be done to absorb away that accent ?

  • Jake Abel
    Jake Abel 11 дней назад

    This really has lee impact on sound recording the real world where we care about the echo coming back from surfaces(we are not putting the mic in the other room).

  • smegskull
    smegskull 11 дней назад

    why are you testing the penetrative absorption when acoustic problems come from reflected sound not passed through sound?
    if you had put an acrylic sheet in for example it would have given the illusion of good sound absorption when in reality it is reflecting the sound back.

  • 45H16E
    45H16E 11 дней назад

    Hey Matt, very helpful thanks. Have you ever tested fiberglass insulation in a similar way?

  • Luke Everard
    Luke Everard 11 дней назад

    I did something like this in year 2

  • 3D Printing Professor
    3D Printing Professor 11 дней назад


    Did that work? I feel like it almost worked.

  • The Bob & Joe Show
    The Bob & Joe Show 11 дней назад

    Well done towel.

  • Jamie Born
    Jamie Born 11 дней назад

    Fucking genius. A picture frame and sound absorption panel?? Omw to bed bath & beyond right now

  • Jamie Born
    Jamie Born 11 дней назад

    Fucking genius. A picture frame and sound absorption panel?? Omw to bed bath & beyond right now

  • jbkibs
    jbkibs 11 дней назад

    Don't forget to bring a towel.

  • Lion Rawrson
    Lion Rawrson 11 дней назад

    Wow! Love this!

  • Tommy tommy
    Tommy tommy 11 дней назад

    Good work. Thnks

  • 11 дней назад

    Try with stacked paper, that's even better.

  • Gusrid The Guitar Player
    Gusrid The Guitar Player 12 дней назад

    Always bring your towel! ;)

  • Jacob Teel
    Jacob Teel 12 дней назад

    what about a $1 roll of paper towels

  • Alexander Punj
    Alexander Punj 12 дней назад

    Just a friendly edit - it's not volume, it's the amplitude of the sound wave that decreased.

  • Pat Hynes
    Pat Hynes 12 дней назад

    This is one of the best videos on this subject I have seen. Well done. Very well done.
    I wish you had done a comparison with DIY glass wool frames though. I know that perhaps they would have been a little more expensive and not qualify to be under 5$. But the comparison test would give a good idea on which option to consider.
    Also when comparing 2 different sound asorption material, it would be better to compare all the frequencies....right down to 500 hrz at least.
    Never the less none of the other videos i have seen have done such a fab job.

  • Stefan Buchala
    Stefan Buchala 12 дней назад

    I got 2.23m² sound shaping foam for £22 but I will be using charity shop towels too, awesome video. Ace

  • Yourwolfsdengaming
    Yourwolfsdengaming 12 дней назад

    Quick question:

    Couldn't you just use a canvas with an already attached frame, rather than having to buy wood and have it chopped up / glued? An already built canvas seems a fair bit easier to just use, or take the canvas part off entirely.

  • JustWasted3HoursHere
    JustWasted3HoursHere 12 дней назад

    Anyone who has ever ripped carpeting out of a room can tell you that doing so RADICALLY changes the sound characteristics of the room. So, this DIY makes perfect sense to me. I wonder what the result would be if you put thick shag carpeting on all of the walls and ceiling....


  • Reed Arnold
    Reed Arnold 12 дней назад

    I am a bit confused. why are you measuring pass-through acoustics as though it shows sound absorbancy. do that with a thick metal panel, it will pass your sound absorbtion test really well, but the reflections would be terrible. see what i mean?

  • H0neycakes
    H0neycakes 12 дней назад

    My left ear enjoyed this

  • budball36
    budball36 12 дней назад

    blown vinyl wallpaper on all the walls and ceiling would be a good option

  • Bryan Anderson
    Bryan Anderson 12 дней назад

    I would have Shredded the towls to small pieces and packed It in blow in isolation

  • Truck Taxi
    Truck Taxi 12 дней назад

    this guy is a perfect gentleman ... keep up the great work

  • Ardan Starmoon
    Ardan Starmoon 12 дней назад

    Well done, towel. Well done.

  • Elaine Marie
    Elaine Marie 12 дней назад

    Dumb question: would these be effective for dampening noise from outside sources?
    I have acutely sensitive hearing and have a literal pain response to noise (neurological damage). Here in the USA, it is common for neighbors and motorists to play their music extremely loud at night, and for many hours on end, that can be heard for many city blocks.
    Thank you very much. I love your DIYs, especially an affordable one like this. Cheers!

  • fredy gump
    fredy gump 12 дней назад

    Oh. I thought this was about making sound that goes faster than the normal speed of sound. So disappointing!

  • Gregor Wicik
    Gregor Wicik 12 дней назад

    biggest error in this configuration is that Sound doesn't travel in linear waves through your test build. think of it as using a speaker without the Box. the Sound waves will "shortcut" by passing around to the back of the speaker. this results in a lower volume the lower the frequency is. it would be the best to test the absorbtion of the reflekted Sound of a Wall, since this is the application it would be used.

  • Time Lapse Painting
    Time Lapse Painting 12 дней назад

    wow i gatta try this

  • jesperlett
    jesperlett 12 дней назад

    Are you sure you test is the right one for reverb reduction? How would a 1 inch steel plate fair in the test? It would probably reflect most of the sound that would then be absorbed by the surroundings before reaching the microphone and thus the steel plate would block a lot of the sound. But a steel plate would do nothing the reduce the reverb in a room.

  • linkcell
    linkcell 12 дней назад

    instructions unclear: got grounded for 2 months... thanks duck

  • den meer
    den meer 12 дней назад

    egg sponge upside down

  • cuckoomusic
    cuckoomusic 12 дней назад

    Great stuff.

  • Justin Kasey
    Justin Kasey 12 дней назад

    great idea, but there is time and lsbor costs. in an inspected enviornment the towels would not pass, no fire rating. in real studios foam is just the top layer. many types of sound absorbing pannels and fabrics exist. still a great idea. lastly dont forget to bring a towel.

  • Robin Kila
    Robin Kila 12 дней назад

    "Well done towel"

  • Funky Web
    Funky Web 13 дней назад

    Many thanks, great video

  • 1powelrainbow2
    1powelrainbow2 13 дней назад

    (All second hand in my country)
     * Towel – 10$
    * Wood – 8$
    * Clamps -10$
    * Screws – 2$
    * Saw – 10$
    * Stapler – 10$
    * Drilling machine – 50$
    * Bit n sinker – 10$
    * Glue – 3$
    * Iron – 20$
    * Ironing board – 20$
    = 5$...?

    ....I'm in!! I'd love to make a pair of these bad boys!!!!

  • Jared Cornall
    Jared Cornall 13 дней назад

    I'm glad u mentioned the picture frame, there are pleanty of low cost canvas art that can be stuffed with towels.. awesome idea.. ;)

  • Noah Marchais
    Noah Marchais 13 дней назад

    your tests in the begging are flawed, although they work, putting a shiny panel of metal between the speaker and the mic would work exponentially better than using a towel. in order to test properly you need to bounce the sound of off the surface and into a mic.

  • Janos K
    Janos K 13 дней назад

    Natural fibre rules.
    Thanks for all the comparisons.
    Used cloth comes with skins cells & associated bacteria. Accumulated dust longer term?

  • 2Awesome
    2Awesome 14 дней назад

    You can get professional acoustical panels for $5 a piece, it just involves cutting them into many tiny pieces....

  • Christian Lund
    Christian Lund 14 дней назад

    It's good to see that the acoustic foam industry hasn't had you knocked off since making this video.

  • TeChNiCaL GhOsT
    TeChNiCaL GhOsT 14 дней назад

    such a good idea of making so cheap and amazingly performing acoustic panel

  • Luciano Di Gennaro
    Luciano Di Gennaro 14 дней назад

    I think you miss one important point.....sound absortption is a completely different story than sound isolation! The trapeziodail foam work best for sound absorption cause the geometric shape usually kill the sound refraction and this is what you want to low down the reverb of your room. BTW this idea for make a panel with towel is great.

  • Harald Thingelstad
    Harald Thingelstad 14 дней назад

    I do something similar: Hang up jackets and other clothes on the wall, independent of season. You need somewhere to store those off-season clothes, right? Sound insulation.
    Not the prettiest of solutions, but it works.
    Otherwise, the most effective panels are made from fibreglass insulation, made for heat insulation in walls, which you can also buy and build your own frames for.

  • Make Create
    Make Create 14 дней назад

    that's awesome! I have watched many vids on the matter and this one the best. simple, cheap and science based!
    I'm off to the local charity shop 👍