The echo of his speech did not diminish

@@BojanMarusic The point of treatment isn't creating a dead room or a room for voice over. The point of that room is to remove problem areas from the speakers to your ears. A dead room is terrible for good sound.

@geluidsoverlast Not really. You will make your room too dead which is not something you want. You will just waste your money just like on foam. Better to do it correct the first time and in a lot of cases, rockwool is much cheaper than the thickness you'll need with curtains. (30 euros (40 USD) a pack of 8.) Also a positive thing is that the rockwool acoustic panel designs will stay with you your entire life, making it convenient when switching places or situations.

@geluidsoverlast You are joking right?

I don't think it does. the curved piece is not a diffusor, it's a redirector and it's not really diffusing the sound like a Quadratic Diffusor. Plus, why would you want sound to be pointed downwards and upwards due to the orientation of the device? I have never seen a video, this one included, that's going to be able to cover everything you need to know in 5 minutes. Acoustic treatment, acoustics, etc. is NOT something you can learn in 5 minutes or less. Too much to consider. I will suggest going to another site that discusses things in easy to understand terminology, but addresses a lot of myths, misconceptions about room treatment and goes after what the problems are and how to really address them.

vidya sankar 😂😂😂

I was thinking the same. But I'm the one looking for answers. Lol. I'm like I can do curved paintings use great geometric patterns. Or just put carpets in. Lol..

Audio > Marrying. Not bad to be autistic sometimes 🤣

Yep marriage and Acoustic, difficult bedfellows

François would you like some cool hhhwhip?

LMFAO

hwhatever dude

kuul whip

Titanium hwhite

$$$$$$ racket

@@a.b1266 The bigger racket is selling crappy panels that don't use the right materials and designs and not putting them in the right position. There are a lot of companies that use the wrong materials. Or they call something a "diffusor" or "bass trap" that don't really do what the name insinuates, thusmaking it more expensive because if you treat with the wrong products, it costs even more to replace them with better products that actually fix the problems in the room. this video is very basic and there's a lot more to deal with in order to treat the room.

@geluidsoverlast yeah, right. What's the absorption coefficient of carpet or thick curtains for 125hz to 500hz?

​@@dd-vm1hs Um. Heavy drapes, towels, woven carpets are NOT sound diffusion materials. They are sound absorption materials, but unless you know their respective absorption coefficients, you are kind of flying blind. only people on extreme budget constraints would opt for the El Cheapo route, but the results simply will reflect your choices made. They aren't designed for room treatment. in a pinch with no budget, sure, but if you someone that works in your environment as a recording engineer or a serious listener of music with an expensive system, it's not optimal to use drapes, towels or woven carpets. I know for a fact that used thick carpets are HORRIBLE for acoustic treatment. Back when I was a teenager in the 70's, playing in a local band, we lined our practice room with thick carpet and it sounded like total garbage.. I wouldn't recommend it at all.

@@dd-vm1hs well, I would like to see an indepedent study of what you're talking about compared to a specific brand of acoustic foam that has been tested with the same testing lab, so if you want to construct some type of acoustic panel and send it off to RAL (Alion) if the mfg. used them to derive their tests, if they used another testing lab, then send off your panels to that testing lab, go right ahead and let's compare the results. That's the only real way to compare two products. Same tests performed in the same independent testing lab. Here's a graph of various materials (acoustic foam not listed by any particular brand along with Sonnex) and look at the varying absorption coefficients. Here's one website that has testing different types of drapery, carpet. I don't know who the testing lab was, but they have results posted with a lot of other materials, Acoustic Fields does have their test results posted on their acoustic foam for comparison purposes. So please examine the 125hz to 500hz range as that's where you are going to find the biggest differences. www.sengpielaudio.com/calculator-RT60Coeff.htm They do have Sonnex foam listed, but not Acoustic Fields. But you can compare AF's foam from their website data as they do have it posted somewhere.. Proof is in the measurements. I'm sure the carpet, and drapes they measured might not be the exact same as what you might use, but they might be VERY similar...

Bruhh 🤣🤣🤣🤦‍♂️

did you see those speakers he picked out, they use mock 2 vacuum tubes those are really dated and have poor quality by modern standards, also those speakers use baby baby seal pelts and are assembled by children. and he is using sound max brand not sound top sound brand, I don't like that. All of these things reflect on his company and knowledge. gone are the days when this not-c collaborator can simply present his product in a neutral manner with a "I just want to sell acoustic panels." every business should find it's customer niche and take a stand on important issues to that customer base and only sell to that customer base or they will soon find them self with no friends at all. where do you stand? is that how business should be? He picked trying just trying sell the panels and not get in to the weeds. he made his choice. It is the start of 2021 you likely find all this ridiculous. What did you find ridiculous at the start of 2020, The new normal and cultural revolution is not over. I will be in reeducation camp for telling you. you have no idea how bad it can get, look at history not just the propaganda history really dig for the actual history. doctors will be forced to become farmers and farmers will be forced to become doctors, that actually happened, the country starved and was sick because of it.

@@Amipotsophspond what? 😂😂😂

Yeah, I really want a square room.

Kevin Sørensen you don’t want a square room. It’s better to have a rectangular shaped room

A rectangle is also a square

Kevin Sørensen nope, it's the other way around. a square is a rectangle, but not all rectangles are squares.

I wish my room was a trapezoid

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I have sewn some basic quilts. Have been considering painting some canvas and adding padding underneath for decor and sound reduction.

Save yourself the trip to the ocean and read a book...

Excellent example. Thank you for sharing.

Paul Chabot Or use google/youtube...

Thanks for taking the time to share these interesting thoughts.

You can do it in home by having some water in the round bucket and dropping pebbles or stones in it. I used this to study Huygens wavelets, that big wave and small wave stuff. Always remember Transverse waves differ from Longitudinal waves in Nature, especially refraction and reflection, Free end vs Fixed end.

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Nah.. but wait there’s more… they throw in a straight jacket with the purchase of only 2 more to complete your padded room experience!

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No way its Stephan Wisner!

No, it's pretty terrible. It doesn't really address how anything works, it just tells you to do things.

@@seigeengine And in a few cases, how to do them wrong. It also doesn't address use case: Is this a low-budget home theatre? Listening room? Mixing room?

😊 - and they look awful.

@@chilombe Only if you have no skilz....

@@DONK0 But will they be Phase Coherent! :P

@@DONK0 The problem is three fold. The materials you are most likely thinking of using might be toxic and not meant for room treatment but rather building insulation. Building insulation for the most part emits tiny particles in the air (even if they are wrapped in fabric) that can cause health issues. The other factor is the absorption coefficient curve. Sure, you can use them, but they might over absorb In frequencies between 125hz and 500hz where it's not that natural sounding. There are acoustic open cell foam that has a much smoother absorption coefficient curve between 125hz and 500hz that will give you the most natural sound as that range is where absorption panels differ.. The other MAJOR problem is with low frequencies under 100hz, that's the most costly to deal with, you do need lots of "boxes", especially if you are dealing with loud SPL levels of low frequencies. And just sticking them in the four corners isn't necessarily going to solve your problems. you can see how bad of a problem you have by measuring low frequencies in 10hz increments from 20hz to 100hz about every 2 to 3 feet around the perimeter of the room, and if you map out the results. you can see patterns emerge where there are room mode issues that alternate about every 2 to 3 feet and you really need to treat the entire wall for optimal results. People have to be careful not to put too big of a speaker system in small rooms, adding subs and not properly adjusting them into the system, or having too small of a room for the room usage.. Ultimately what is your goal? To have a room with a flat response curve with proper TC-60 reverb time signature? If so, then you are going to need a good sized room with relatively high ceilings to give you enough space to properly treat. Just sticking $15 panels around the room isn't going to fix the acoustic problems in the room. Will it be better than an untreated room? Sure, but it's not going to be a well treated room by sticking $15 panels around the room.. They aren't going to fix all of your problems, even though it will sound different. Don't confuse a different room sound to good room sound. I wish I could have you visit a room that's really designed and built properly with treatment that really fixes the problems in the room. The results are stunning. But it's going to cost a LOT of money to do it right. I've seen rooms that were custom built from the ground up that were truly insane room acoustics where it was pretty close to a flat response curve and a near perfect TC60 reverb time for that type of room usage for a pair of relatively large speakers. the room cost alone, sans stereo equipment, was in the neighborhood of $450,000. Yeah, to 99% of the population, that's too expensive.. to get a really good improvement that most people would be happy with, it would cost around $25K in room treatment to get a really good room sound. But it still requires a certain room size to begin with. Can you get really good room sound for under $1000 in treatment? Probably not unless you don't turn your speaker's volume up that high. It's when you turn the speaker's volume up to a certain level is when the low frequency problems start to emerge, etc. If your room is big enough where you have at least around 7' to 8' feet or more between each speaker and the closest side wall, and you keep the SPL fairly low, you can do close monitoring where you don't need room treatment, because you have enough distance between each monitor and each wall and you aren't exciting the room with low frequencies causing problems because the SPL is low enough. But that's typically not the case for MOST people.

Oneness100 Yada yada yada. Most of these expensive pre-made options aren't optimal as well. Many advertise absorbers as diffusers and vice versa. You could also use upholstery foam instead. They come in different densities. If you know what you're doing, you can get very close for a fraction of the price. It's also fun to DIY in my opinion.

Now good luck with your bank account. This stuff is quite pricey

Just went to their website. Their stuff is really expensive.

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Saint Germain a

One of the Best Ideas of SoundProofing is "SoundProof Curtains" it actually Block outside Noise coming from Windows. Check Here: livesoundproof.com/best-soundproof-curtains/

Corner traps are good for stopping the bass reflections when down low, but not so much for the higher frequencies.

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@@666Eidolon666 Depends how they are constructed. If they don't have scatter plates or something to reflect high frequencies, they'll grab those too.

LOL noticed it straight away and searched the comments to see if anyone else did xD

cool whiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiip

didn't have to scroll far to find this comment lmaooo

Did someone say Cool Hwhip?

Arent you lucky, i spent half an hour reading intelligence battles to get here 😂

100%

Drums are tricky - the sound-dispersion patterns vary, depending on whether you’re placing mics on a single drum, a cymbal, or the entire kit. As a former drummer (now a drum owner), my goals were different than when I became a recording engineer. For recording, I’ve found that Curve Diffusors are best placed vertically on walls at the points nearest the kit, and on ceilings horizontally over the cymbals, obviously depending on where mics are placed. Best positioning for absorber panels would be in any corners near the kit (on each corner wall), directly over the snare drum on the ceiling, and next to the Curve Diffusors toward the outside of the kit. The great thing about our Z-Clip-mounted panels, both absorbers and diffusors, is that they’re modular and can be moved easily to try different placements. Some studios even use our Combo Stands to easily relocate the Curves on the studio floor, depending on the type of drummer and kit. I hope this helps - let us know if you find any “best panel placements” - and thanks for your question! -John Calder

I need to acoustic treat my room for mixing and mastering instrumentals btw *

mok beatz Please send an email to sales@acousticgeometry.com and we will be happy to help you. Thanks!

Hi JRPowell, thanks for your question. If you’d like us to recommend placement of our Curve Diffusors and Fabric-Wrapped Absorber Panels, we’re always happy to help. If you send us a drawing of your space, complete with dimensions, we may be able to add a few ideas for you. And we also highly recommend our Door Seal Kit for any of your solid-core doors - watch our “What Is Soundproofing” video for more info on that. Thanks again, John p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 14.7px Calibri; -webkit-text-stroke: #000000} span.s1 {font-kerning: none; color: #0069d9; -webkit-text-stroke: 0px #0069d9} span.s2 {text-decoration: underline ; font-kerning: none; color: #0000ff; -webkit-text-stroke: 0px #0000ff} span.s3 {font-kerning: none}

Hi - thanks for your question. Three points: 1) You want to retain some of the room’s natural ambience, so removing all reflections/reverberation creates an anechoic chamber, which is an extremely difficult sound environment for humans; 2)All sound absorber panels have a limited range of frequencies they can absorb - most fiber-based absorbers (fiberglass, recycled cotton, wood/mineral fibers) absorb well at high frequencies but not well at mid- and low-frequencies. This creates an imbalance in the sound in the room. 3) We always recommend a balance of absorber and diffusor panels in a room, because it reduces echoes and reverberation and spreads out the remaining sound energy so the room feels more natural.

Acoustic Geometry thank you so much for detailed answer

+Ken Van de Burgt To absorb low frequencies I'm going to experiment making sound panels using fine steel wool in combination with earthwool. The higher density of steel wool over earthwool should capture more of the lower frequencies. Also take into account that half of what you hear is sound reflections off solid flat surfaces. Speed of sound is about 340m per second so our ears receive the same sound not once but something like 10-20 times in 1/10th of a second due to these reflections in a typical sized room. Breaking up flat surfaces will also split low frequency sound waves into several higher frequency sound waves which are then easier to dampen. You can see this effect when a water wave at sea hits rocks or a groyne. The wave is split into two or more waves, each new wave containing less energy than the original.

Neither, acoustic treatment and soundproofing are two completely different subjects

Oh - it's a 2.1 set up - I could go 5.1 if that would help vocals for some reason.