All About Diffusion

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  • Опубліковано 14 чер 2024
  • This is a newer HD render of the RealTraps video demonstrating diffusion.
    Most people have no way to hear what diffusors do or how they sound in a room. So this video explains diffusion in plain terms with no math, then lets you hear an acoustic guitar recorded in close proximity to five different surface types - a "well" diffusor, a poly diffusor, absorption, a bare wall, and a typical bookcase.
    If you have technical questions about this video that require a reply, please do not post them here as comments. UA-cam is not a good venue for a technical exchange. Instead, please post your questions in the Acoustics section of my Audio Expert forum:
    the-audio-expert.freeforums.net/
  • Наука та технологія

КОМЕНТАРІ • 590

  • @CSick27
    @CSick27 4 роки тому +297

    i truly love how hard he's rocking those two chords

    • @jcisme
      @jcisme 4 роки тому

      Those 2 chords sound the same as from a song that had a rather famous copyright lawsuit.

    • @VEC7ORlt
      @VEC7ORlt 3 роки тому +19

      There I thought you were referring to the eyebrows, but yes chords too.

    • @macdietz
      @macdietz 3 роки тому +1

      @@VEC7ORlt damn ya beat me to it

    • @alangeorgebarstow
      @alangeorgebarstow 3 роки тому +4

      @@jcisme Those two chords are Em and A Major. They form the basis of thousands of songs.

    • @maxfowler8838
      @maxfowler8838 3 роки тому

      @@VEC7ORlt definately ...!

  • @futurosurf
    @futurosurf 3 роки тому +72

    i love these old skool guys, they are so honest, knowledgeable and thorough!

  • @thegroove2000
    @thegroove2000 4 роки тому +16

    WOW the diffuser brought the guitar to life. Much more definition and energy.

  • @learnerlearns
    @learnerlearns 8 років тому +222

    Ethan, you ROCK!
    I've studied acoustics since 1978 and testify your videos are BAR FAR the most concise presentation of acoustic science.

    • @cybercongo6506
      @cybercongo6506 6 років тому +5

      he absolutely rocks!!!!!

    • @jeremyray2647
      @jeremyray2647 4 роки тому +3

      He's the best man. He makes himself accessible to all of us because he truly loves the science!

  • @Brokenhill42
    @Brokenhill42 8 років тому +460

    I laughed at the Acoustic Books joke.

    • @scissorkicks
      @scissorkicks 6 років тому +2

      Same :)

    • @matthewmorin5013
      @matthewmorin5013 6 років тому +24

      he seemed slightly pleased to make the gag

    • @nathanlyrakis7733
      @nathanlyrakis7733 5 років тому +2

      i know right XD, really helpful otherwise

    • @SamObengA
      @SamObengA 5 років тому +3

      I was a lot more excited than I thought I should be...

    • @yojose1981
      @yojose1981 5 років тому +3

      acoustic book. hahaha

  • @commonsense5188
    @commonsense5188 3 роки тому +8

    I've lurked on the gearslutz forum for years and always knew Ethan was a man that knew his stuff, but the man can also get on video and explain everything eloquently in easy to understand terms, with visual representations. One thing is for sure, room treatment is vastly over looked and underrated. When I was younger I tried everything I could to get around having to CORRECTLY treat my recording spaced etc, but once I took the time to soak up the knowledge online and put in some time building some DIY absorbers etc, my mind was made up real quick. Top notch video, even 6 years after the fact.

  • @Tnapvrvideo
    @Tnapvrvideo 4 роки тому +8

    This explanation reinforced by the guitar comparison demonstrations at the end was superb!!! Really terrific!

  • @speakrmusic
    @speakrmusic 5 років тому +58

    This is a true masterpiece of a learning video. Great job

  • @QoraxAudio
    @QoraxAudio 4 роки тому +4

    Once in a while you find educative videos that are more focused on actually learning something than just entertainment....

  • @alexandermikhailov2481
    @alexandermikhailov2481 3 роки тому +2

    You rarely see such a professional person visibly passionate about his subject these days. I enjoyed this video a lot.

  • @craigtracy94
    @craigtracy94 5 років тому +4

    By far the most in depth informative video I've seen on diffusion yet.

  • @politicscultureandsomeothe9868
    @politicscultureandsomeothe9868 6 років тому +9

    THEE single best video I've ever watched to explain diffusion. Thanks man, great work.

  • @hhectorlector
    @hhectorlector 4 роки тому +47

    7:07 acoustics books joke was hilarious

  • @renehjchristensen8417
    @renehjchristensen8417 5 років тому +26

    I really learned from this. I like that you put different kinds of acoustic treatment to the test like this in an A/B listening - thanks :-)

  • @chewieone1064
    @chewieone1064 5 років тому +3

    Thats exactly the style of explanation in a nutshell i was looking for all over the internet. Thank you very much!

    • @EthanWiner
      @EthanWiner  5 років тому +2

      Thanks, and you're welcome!

  • @MixmanD28
    @MixmanD28 6 років тому +1

    Ethan Winer is truly THE BEST!! Thank you so much for this. It helps that so many acoustics books have been written, to help treat the finest studios!

  • @J0hnSell
    @J0hnSell 4 роки тому

    I don't know what i enjoyed more about this video. The huge amount of good information, the dad jokes, or the dudes disgust for poly diffusers. Well done Ethan, you made a masterpiece

  • @totallyfrozen
    @totallyfrozen 5 років тому

    The most useful information I’ve found in 12 and a half minutes on UA-cam. Thanks a million!!

  • @orcasea59
    @orcasea59 3 роки тому

    The most concise explanation of diffusion I have seen on YT. Thanks for this.

  • @user-zu1ix3yq2w
    @user-zu1ix3yq2w 4 роки тому +6

    It really helps to close my eyes while listening to these demos on my headphones.. I'm surprised the differences are so easily noticeable. I noticed the QRD sounded the "harshest" on both my tablet and my headphones.

  • @fuzzy8mike
    @fuzzy8mike 5 років тому +13

    Excellent demonstration. Thanks.

  • @OBoneKanOB
    @OBoneKanOB 5 років тому +162

    Why is this guy not an awesome meme yet?

    • @Dm3qXY
      @Dm3qXY 4 роки тому +57

      people who have listened to him are busy treating their rooms

    • @AudioReplica2023
      @AudioReplica2023 4 роки тому +3

      @@Dm3qXY Ohhhh shit! lmfao

    • @ByGraceThroughFaith777
      @ByGraceThroughFaith777 4 роки тому +24

      cuz 12 year olds don't hang around here

    • @QoraxAudio
      @QoraxAudio 4 роки тому +3

      @@ByGraceThroughFaith777 Yes they do, it's UA-cam.

    • @TheEchelon
      @TheEchelon 4 роки тому +2

      @@QoraxAudio No, they don't watch these types of videos...

  • @freemanslim
    @freemanslim 6 років тому +10

    if I can do 15 mn of Ethan's videos everyday, I can defend my PhD thesis in acoustic / math by next xmas. I am in IT.

  • @BuffaloL100
    @BuffaloL100 3 роки тому +1

    Thanks very much for the informative video! It's given me a better understanding of the role diffusion plays in control rooms, and in recording situation. I particularly appreciate the simple, very useful A/B comparisons.

  • @jeffaxel181
    @jeffaxel181 4 роки тому +3

    Glad to know Flutter Echo is the name for why a house sounds different inside when you move all your stuff out that was acting as diffusers and informal absorption surfaces

  • @rogerhall4852
    @rogerhall4852 3 роки тому

    At last - a chap who knows what he's talking about. ESPECIALLY at the end with the A/B demo... THANK THANK YOU!

    • @EthanWiner
      @EthanWiner  3 роки тому

      Thanks, glad you liked it.

  • @MrTeff999
    @MrTeff999 16 днів тому

    Finally, someone who truly knows what he’s talking about.

  • @jurajchobot
    @jurajchobot 4 роки тому +2

    One well deserved like from me. I can see you know, what you are talking about, and the way you explain the inner workings of an acoustic science is both information dense and easy to understand. Well done.

  • @slickill5738
    @slickill5738 Рік тому

    Thank you for the actual demo of the subject. Theory & fact are great but then adding actual application and demonstration is the way to teach. Subscribed !

  • @garrystubbs4891
    @garrystubbs4891 4 роки тому +2

    Ethan, thank you so much for this. Superb knowledge sharing and great practical audible examples. This is a gem of a video. Subscribed.

  • @peterverveniotis6384
    @peterverveniotis6384 3 роки тому

    The man is straight to the point with no embellishing , dramatics like some of the other clowns . Thanks Ethan

  • @ericberger6966
    @ericberger6966 5 років тому

    This video comes like on order. Excellent video bringing together the pieces I already know with the right exprience, use in small rooms. Thanks

  • @rodneyarnoldi
    @rodneyarnoldi 5 років тому +2

    A very good and helpful demonstration. Thank you.

  • @ZaFrostPet
    @ZaFrostPet 5 років тому +4

    wow, so much info and demos, thank you.

  • @VLKV_loves_you
    @VLKV_loves_you 3 роки тому

    best YT video i've seen in a while, i'd highly recommend this course instructor to future students. :)

  • @Abrinley23
    @Abrinley23 6 років тому +2

    Excellent video, this guy really knows his stuff. Thanks for the info!

  • @MicahManaitai
    @MicahManaitai 3 роки тому +3

    this is my new favorite person

  • @ariangoleh
    @ariangoleh 5 років тому +3

    Such useful information, Thanks a lot Ethan

  • @855MAGICAD
    @855MAGICAD 5 років тому +6

    Fantastic demo!! The QRD device clearly sounds the best... I'm strictly a voice over guy so I much prefer a DEAD room as apposed to a LIVE one.... And no doubt for musicians diffusion makes a LOT of sense!

  • @MystiqWisdom
    @MystiqWisdom Рік тому

    One thing I can say is that nobody who has watched this video ever doubted that this guy is an expert in acoustics.

  • @monomono
    @monomono 5 років тому +26

    There used to be a gigantic bookshelf in my mixing room. In fact it covered all of my back wall except for like a foot near the ceiling.Filled with all kinds of books (small large and inbetween) The day It was taken away from my room OH BOY did it sound nasty.

    • @meat_retreat
      @meat_retreat 3 роки тому +2

      Who's stealing your books? Who hurt you?

    • @antigen4
      @antigen4 3 роки тому

      had fantastic results with mine

    • @RoncaBaixo
      @RoncaBaixo 3 роки тому

      There are some cases of well known sound engineers using bookshelf in their studio as part of their absorption/diffuser components and seems to work well for them.

  • @AtulJataayu
    @AtulJataayu 6 років тому +9

    Thank you for imparting valuable knowledge.

  • @missj8357
    @missj8357 4 роки тому

    Thank you so much! It's really helpful for me to decide what kinds of acoustic treatment for my recording booth.

  • @pbenson56fran
    @pbenson56fran 2 роки тому

    I appreciate your honesty about diffusion for small rooms. Thank you

  • @harvestgroup644
    @harvestgroup644 9 місяців тому

    This is the best and the most informative video I’ve ever watched on acoustic diffusers..thank you for sharing such valuable information..❤

  • @thermalchill
    @thermalchill 5 років тому +2

    Great and eye opening video . Thank you for your knowledge.

  • @IKI-KIKI
    @IKI-KIKI 5 років тому +2

    Thanks Ethan, this was a real treat.

  • @drampadreg1386
    @drampadreg1386 4 роки тому +3

    Book cases are actually great to have at the rear of your control room, not to be underestimated! Especially in a small home studio.

  • @maurogonzalez1990
    @maurogonzalez1990 8 років тому +4

    very clear explanation, love your videos!!
    greetings from Agentina Ethan!

  • @haridaspillay
    @haridaspillay 4 роки тому

    This is an excellent informative video. Ethan is a true pro!

  • @1QKGLH
    @1QKGLH 3 роки тому

    I'm only about 4.5 minutes in, you haven't started a demo yet, but this video is GREAT! Lots of good info.

  • @allenalesna
    @allenalesna 5 років тому

    Finally an YT video that clearly illustrates acoustic treatment. I finally have a better idea on what to do with my home studio.

  • @saardean4481
    @saardean4481 5 років тому

    Amazing quality of knowledge. Am humbled and very thankful

  • @hpptlsm
    @hpptlsm 3 роки тому

    All time favorite acoustics walkthrough!!! Thank you very much!!!

  • @andrewharper1887
    @andrewharper1887 4 роки тому

    Outstanding explanations and demos. Thank you

  • @lnxguit
    @lnxguit 4 роки тому

    Absolutely masterful presentation - thanks!

  • @jackrees4900
    @jackrees4900 6 років тому +1

    great explanation and great examples - thanks for that!

  • @moscoenterprise8586
    @moscoenterprise8586 4 роки тому

    Incredible presentation and information.
    Thank you!

  • @zbaudio178
    @zbaudio178 3 роки тому

    Excelent video! now I'm decided where to put a pair of diffusors to enhance my drums recordings! thank u very much for using ur time for us with making this video! really appreciate it! :)

  • @hurleyman77
    @hurleyman77 3 роки тому

    The final back-to-back-to-back demonstration was VERY helpful.

  • @kevinmccormick419
    @kevinmccormick419 4 роки тому

    Excellent demonstration. Thank you!

  • @harryhasselhoff9692
    @harryhasselhoff9692 6 років тому +5

    To the point and no bullshit. Great video! Subbed.

  • @denvy21
    @denvy21 5 років тому +1

    Awesome education accoustic class with lots of precise information for sound enthusiast

  • @orti1283
    @orti1283 5 років тому +15

    10:11 holy shit, that sounded beautiful

    • @Leonidas909
      @Leonidas909 3 роки тому +2

      It"s the acoustics books fam

    • @fescolfaro
      @fescolfaro 3 роки тому

      I'm listening on a Bluetooth box that is also my grotbox, the bookcase isn't nearly as good as the qrd, but better than the inside of the poly and way better than wall and absorber at scattering usable highs towards the mic. There was some dose of myth busting here, but I'm glad that I'm stuck with our giant Billy full of crap behind my listening position.

  • @robbabcock_
    @robbabcock_ 7 років тому +1

    Great stuff, Ethan!

  • @cwt52
    @cwt52 6 років тому +1

    You're Da Man old friend !!! .... Thanx for sharing your wealth of knowledge with everyone Ethan !! Love this ... you've been a big help in my trying to figure out my new SMALL room in FL :-) ... Hope all is well !!! Chris T.

  • @ElkinRodriguez7
    @ElkinRodriguez7 4 роки тому

    Wow... This video is pure gold... Thank You!!!

  • @VadimAMalyshev
    @VadimAMalyshev 3 роки тому

    The best video on this topic. Thank you!

  • @sebastianungerer9566
    @sebastianungerer9566 4 роки тому

    First video, that actually shows the effect of diffusing... and super helpful

  • @Cam-qx2bq
    @Cam-qx2bq 4 роки тому +1

    Fantastic guitar head movement, A+

  • @calvinstulip
    @calvinstulip 2 роки тому

    Super informative. Thanks for the upload.

  • @Doug-Didgiridoo
    @Doug-Didgiridoo 10 місяців тому

    A lot of information packed in your presentation. Thankyou.

    • @EthanWiner
      @EthanWiner  10 місяців тому

      Glad it was helpful!

  • @tornadoofthoughts
    @tornadoofthoughts 3 роки тому

    GREAT video, good content, to the point, agile, with good information, thanks

  • @houdinistare7095
    @houdinistare7095 4 роки тому

    Thank you for the concise info. Very helpful.

  • @paw45
    @paw45 Рік тому

    Wow, very educational and easy to understand. Exceptional presentation!

  • @edwardlee6569
    @edwardlee6569 4 роки тому

    I loved the ventriloquist dummies in the corner watching along with the demo. Bravo, you truly are informed and unique.

    • @EthanWiner
      @EthanWiner  4 роки тому

      Thanks for your comments, Edward. The puppets were made by my friend Robert Rogers, who does that for a living:
      www.robertrogerspuppets.com/

  • @310McQueen
    @310McQueen 5 років тому +1

    I saw "diffusion" and thought I was getting a video about semiconductors... but the quality of the presentation held my interest.

  • @DundasStarWarsFan
    @DundasStarWarsFan 3 роки тому

    Thanks! Clear, concise, useful.

  • @spiedvriek8948
    @spiedvriek8948 4 роки тому

    Giggled at the book joke;). Laughed out loud when the headbanging started! Very informative and entertaining. You tha man Ethan!

    • @EthanWiner
      @EthanWiner  4 роки тому

      Thanks, glad you enjoyed it!

  • @c7dermatome
    @c7dermatome Рік тому

    Brilliant video, so well explained, and on top of this, the phenomenon being described (flutter echo, comb resonance etc.) is actually shown (or more importantly heard!) Very useful information!

  • @antigen4
    @antigen4 3 роки тому +1

    bookshelves ARE excellent i have to say - they worked a treat for me - especially when they have built in traps

  • @Jessie88ITA
    @Jessie88ITA 3 роки тому

    I'm changing the acoustic of my studio and wasn't sure about what kind of diffusers to get...Had polystyrene ones, less than half-inch depth.... With your demonstrations am gonna get the QRD's straight away! Thanks a lot Ethan for sharing your knowledge with us!!!! think the best video on youtube found so far :)

  • @greggiorgio1846
    @greggiorgio1846 5 років тому

    Great video Ethan!

  • @rahulmurthy1763
    @rahulmurthy1763 5 років тому

    A masterclass - Sound Teacher... Learnt something today.

  • @storgs
    @storgs 5 років тому +2

    why aren't more youtube tutorial vids this informative and organized?

  • @rmzidann
    @rmzidann 2 роки тому

    Great video. Good explanations. Thanks! 👍

  • @Paulkatz123
    @Paulkatz123 4 роки тому

    I always question people who say "how do people not know this video". This is the first time I agree . I am weirded out by the sub count. Wish you many more in the future

  • @declanfarber
    @declanfarber Рік тому

    I respect what you’re trying to do. It’s hard to get people to understand how much it matters. Which is why it’s so easy to go broke trying to do it.

  • @yamakawa511
    @yamakawa511 6 років тому +4

    Great explanation and presentation of examples. Thanks for going to all the trouble to make this. Y

  • @maikeltoxix1716
    @maikeltoxix1716 5 років тому +1

    This was really helpfull !! next up is calculating my own realtrap

  • @itikutok6568
    @itikutok6568 2 роки тому

    I learned so much and what a great presentation! Thanks! Great playing by the way

  • @aasmundr
    @aasmundr 3 роки тому

    This is a really awesome video! It inspired me and my friend to build 4 29well(25cm deep) qrd diffusers for our studio.

  • @audiopath747
    @audiopath747 5 років тому +4

    Great! Very informative.

  • @imreiariel7961
    @imreiariel7961 3 роки тому

    love this video. love the effort. thank you very much for uploading

  • @slowgaffle
    @slowgaffle 5 років тому +9

    Excellent video. Where do I get one of these "bookcases"

  • @simoniturralde5091
    @simoniturralde5091 2 роки тому

    EXCELENTE!! muy bien explicado!!!

  • @Limit5482
    @Limit5482 2 роки тому

    That book case sounds amazing!

  • @zachsrhine
    @zachsrhine 4 роки тому

    Informative video, thank you!

  • @JoshJetson
    @JoshJetson 5 років тому +5

    best explanation for a diyer on home / commercial studio setup.

  • @MrBiggmartin
    @MrBiggmartin 5 років тому

    Thanks, very good explanation on what works and not.....