Treatment FAQ

where should i put my sound treatment blankets in a square room

by Dr. Manuela Hermann DDS Published 3 years ago Updated 2 years ago
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Acoustic treatment can also be placed directly behind you on the back wall of your room. It can also be extremely helpful to place a couch at this location−recall that any soft porous material will absorb sound. See Also

Full Answer

How to soundproof a room?

How to Soundproof Your Room? To soundproof your room and reduce noise you need to absorb the sound. You can accomplish this by adding acoustic foam and acoustic panels on walls, hang blankets over sound entry points, and position furniture and rugs to help absorb sound.

How much sound treatment do I need for my home studio?

While studio size plays a factor, most home studios use around 36 to 48 square feet of panels. This, of course, can vary greatly depending on your room’s current layout and acoustics. The only accurate way to determine the amount of sound treatment you need is by doing an acoustics analysis of your room. Free Room Acoustics Analysis!

Where should I place my soundproofing panels?

As a general rule of thumb, you want to place panels on the opposite wall of the source of sound for the maximum absorption. Sound reflection follows the same laws as light reflection and bounces back at an angle equal to the angle of the incoming sound.

Do blankets soundproof a room?

If you’re looking for an easy way to soundproof a room, blankets might be exactly what you need. In fact, using blankets is, without a doubt, one of the easiest and most affordable ways to soundproof a room. Even a regular blanket should help reduce echo and absorb noise.

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Where do sound panels go in a square room?

6:317:51What acoustic treatment saves a square room? - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd angle them I've used bookshelves before you can buy it maybe a floor-to-ceiling bookshelf. AndMoreAnd angle them I've used bookshelves before you can buy it maybe a floor-to-ceiling bookshelf. And then behind it stuff a whole bunch of fiberglass.

Where should sound absorbing pads be placed?

0:452:02How should I position my acoustic panels? General tips how to space ...YouTubeStart of suggested clipEnd of suggested clipFor a 2x4 panel mounted vertically ear level is about two feet from the ground. Additional panelsMoreFor a 2x4 panel mounted vertically ear level is about two feet from the ground. Additional panels can be used on the ceiling. For additional absorption or in the horizontal.

Where do you put soundproof foam in a room?

6:417:39Mounting and Placement of Acoustic Treatment - YouTubeYouTubeStart of suggested clipEnd of suggested clipBehind the speakers and to either side.MoreBehind the speakers and to either side.

Where should room treatments be placed?

Apply treatment to the ceiling and all walls of your room, if you can. To prevent slap / flutter echo you usually want to avoid any large areas of bare wall or ceiling. Aim for left-right side wall symmetry whenever possible.

Do you need to cover a whole wall to soundproof?

If you covered every square inch it would knock down some of the sound from getting out, but not as much as you would think. And nothing like your concrete wall is going to do. Basically absorption in the room is to help control the "room sound" not for "sound proofing".

How do I arrange my acoustic foam panels?

Sit yourself centrally between the left and right walls, but about 4/10ths of the room length from the wall you are facing. That way your monitors should be about the right distance from the wall and you will not be sat in the middle of the room (which is often a dead spot for bass).

How far apart should acoustic panels be?

The minimum perimeter occurs if all 4 panels are placed so that their long sides are touching, with only 48′ of perimeter. By spreading them out with 4′ gaps in between the panels, the perimeter of the entire set of panels increases to 72′, and the efficiency of the layout increases by 50%.

How many soundproof panels do I need?

While the number of panels you need varies based on the purposes of your space, a typical starting number is 8-10 panels. However, that number can go up to 20-25 panels for purposes requiring greater sound control.

Does sound proofing really work?

Yes, soundproofing works both ways. If you are soundproofing your home to stop the unwanted noise from noisy neighbours, then it will also work at blocking any noise from your house from passing into your neighbours property. This is an added benefit by further increasing the privacy of your own home.

Where should acoustic panels be placed in a bedroom?

If possible, mount some of your acoustic foam across corners of your room. This can be done between two horizontal walls or even the ceiling and side-wall. This will inherently create a large air gap behind the foam. This can be your start to absorbing those low-frequency resonances mentioned above.

How do you sound treat a small room?

2:314:13Why do small rooms suffer from bad acoustics? - YouTubeYouTubeStart of suggested clipEnd of suggested clipPosition with more energy and closer enough to the original. Sound to cause more phase interferenceMorePosition with more energy and closer enough to the original. Sound to cause more phase interference and comb filtering.

How do you acoustically treat a listening room?

2:404:20How to Set Up and Acoustically Treat a Hifi or 2-channel Listening RoomYouTubeStart of suggested clipEnd of suggested clipMove your head around the room into different viable locations where you might want to set it up andMoreMove your head around the room into different viable locations where you might want to set it up and when you find one that sounds good place the subwoofer. There.

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Why do people use blankets?

Luckily, people have actually been using blankets to soundproof and insulate their homes forever. So, we have a wealth of experience to draw on. Actually, even musicians use blankets to improve sound quality in their recording studios.

Can you use soundproof blankets on windows?

When all else, including soundproof curtains, fails, you can easily switch to soundproof blankets to soundproof your windows. You could simply hang them up, just like curtains. And unlike my previous two suggestions, you wouldn’t even have to install a new curtain holder. Like always, hanging the blanket up will be much easier if the blanket comes with grommets.

Can you use a blanket to soundproof a room?

In fact, using blankets is, without a doubt, one of the easiest and most affordable ways to soundproof a room. Even a regular blanket should help reduce echo and absorb noise. As long as it’s thick and dense, a blanket could be put anywhere – walls, windows, and doors. You could even use it on floors and ceilings if you want.

Can you nail a soundproof floor to the ceiling?

However, nailing one to the ceiling would be much harder than, say, putting up soundproof foam panels or other similar materials for ceilings. Similarly, there are many more effective and appropriate ways to soundproof a floor than laying down some blankets.

Do moving blankets soundproof?

Of course, if you want to achieve some more substantial results, you really ought to use soundproof or moving blankets instead of stacking any old blankets you get your hands on. Since I’ve written about them before, you may already know the difference between the two. Essentially, people use moving blankets to protect furniture during transportation. Since they need to be thick in order to provide proper padding, they’re also excellent soundproofing materials.

Does a blanket help with sound?

As with any of these steps, any blanket will soften noise, though thick and dense soundproof blankets are obviously the best choice.

Can you put up soundproof blankets?

Pretty much any room in your home can be improved by putting up some soundproof blankets. Basically, you’d attach the blanket like you would a tapestry, or even a poster. So, you can nail it, or even use more lightweight tacks. But there are actually a few ways you can do it:

Why spread acoustic panels?

Spread the acoustic panels out to improve the efficiency of the acoustic treatment. Use impact-resistant acoustic panels if in a gym or other lively environment where they are likely to be tested.

How to reduce P/A ratio?

Place all panels directly together in the same area , reducing the P/A ratio. Leave two parallel walls untreated. Do: Place the panels symmetrically, using the wall length and any sub-patterns (lights, grids, doors) dictate the best spacing. Spread the acoustic panels out to improve the efficiency of the acoustic treatment.

What affects the location of acoustic panels?

The color, shape, and size of your acoustic panel selection all affect the location of where you can place them. However, by following core principles and guidelines, you can assure an aesthetic finish that will also efficiently improve the acoustics in your space.

How many parallel walls are left untreated?

A corollary to this rule is to ensure that no 2 parallel walls are left untreated. If this happens, then standing waves may develop in the space.

Can you hang acoustic panels too high?

Don’t place them too high: While hanging acoustic panels well above eye level prevents any imperfections, or stains from the hanging process, from being seen, it also increases the amount of time it takes for sound to reach them. This can adversely affect the acoustic treatment.

Is symmetry easy?

Symmetry: This is simple but not always easy. Panels should be balanced in a space, but there are often multiple patterns in a given room, including windows, doors, A/C vents, etc. There can also be a number of penetrations or obstructions, such as lights and exit signs, that need to be installed around.

Why do untreated reflections cause problems?

Normally, untreated reflections create problems because they get trapped in one spot, amplifying some frequencies, while canceling out others. This is how the natural frequency balance gets destroyed. Diffusors work by scattering reflections so nothing gets trapped, and the natural tone is preserved.

What is the difference between #1 and #2?

The closer it is to #1, the more absorption you will need to make the room sound as dry as possible. The closer it is to #2, the less acoustic treatment you will need in general, although virtually any room will still benefit from a little.

What happens to sound when it is made in a room?

Whenever a sound is made in a room, here’s what happens to it: Starting at the source, it projects outward in all directions. A small portion of it (known as direct sound) travels in a straight line to the microphone. The remainder (known as reflected sound) bounces randomly between the surfaces of the room.

Do I need a degree to run an acoustic studio?

The good news is…you don’t need a degree in acoustical engineering to run a recording studio. All you need is a few SIMPLE CONCEPTS. Starting with…. 1.

Do bass traps absorb mid frequencies?

And here’s why: Though commonly thought of as specialized tools for absorbing bass frequencies…. Porous bass traps are actually broadband absorbers, meaning they’re good at absorbing mid/high frequencies as well. Which is why sometimes…bass traps alone can be enough to get the job done.

Does direct sound change the tone of a room?

Since direct sound does not interact with the room, its frequency balance remains pure, and its tone unaltered. With reflected sound, each new reflection has the potential to CHANGE the original sound ever-so-slightly. Depending on the size of the room, and the reflective surfaces within it….

How does ceiling reflection affect listening position?

Floor and ceiling reflections have an impact on the listening position. The ceiling reflection energy is responsible for sound stage height. The existing physical height of the ceiling can be “acoustically exceeded” through the proper use and application of diffusion. It does vary with room acoustic use. A listening room works best with a combination of absorption and diffusion technologies. A control room may prefer more of an absorptive approach so that a more critical listening sound stage can be realized. All room surfaces contribute to your sound stage. We have a different question to ask with each usage. Each usage we have to ask where to place acoustic panels to satisfy that room acoustics for that usage.

What is sound stage?

A sound stage is literally that, namely a “stage of sound” that a two-channel system is capable of achieving in an acoustically treated room. It is that space between your left and right channel speakers, but it is also that space that extends wider and even taller than your loudspeakers themselves if the room is acoustically treated correctly. We must strike a balance between the straight-line energy from the speakers which strike your ears first and the reflections from the sidewalls, floor, and ceiling. If we get the balance correct, we have a sonic presentation in front of us that exceeds the physical space the speakers are in. There is more presentation width, height, and depth. There are more detail and definition along with more space between the instruments and voices. This is room acoustics at its best. Identifying surface area issues and then finding out where to place acoustic panels.

What is the term for the reflection that travels across the room and strikes the left sidewall?

That reflection is termed primary. The primary reflection travels across the room and strikes the left sidewall. This is called a secondary reflection. The primary and secondary reflections have different time signatures than the straight -line or no reflections energy.

How to manage side wall reflections?

Sidewall reflections are best managed through absorption. It cannot be just any type. The proper absorption treatment must be selected that can absorb side wall reflections at the correct rate and level. Both the rate and level of absorption must be considered when dealing with sidewall reflections. It is not necessary to absorb 100% of all side wall reflected energy. You must choose how much and at what frequency you want the reflections to intermix with the direct sound. There is no need to destroy the reflected energy by changing all of it to heat. Just some of the more unfriendly parts. This is the cause behind a too-dead room sound. It is too much surface coverage with the wrong rate and level of absorption.

What surface area to treat?

The first surface area to treat is the floor and ceiling. The floor usually has a carpet but the ceiling is bare. Let’s assume carpet on the floor, now we need to provide absorption or diffusion for the ceiling. Which treatment one uses depends on room usage and how far away the ceiling is.

Why do control rooms prefer absorptive approach?

A control room may prefer more of an absorptive approach so that a more critical listening sound stage can be realized. All room surfaces contribute to your sound stage. We have a different question to ask with each usage. Each usage we have to ask where to place acoustic panels to satisfy that room acoustics for that usage.

How many dimensions of sound can be created?

Three Dimensions of Sound. Three dimensions of sound space can be created between your speakers. You can have a height, width, and yes, even depth in your sound stage. The speakers themselves give you the energy to start with, but you must take that energy and then the room energy and make them both work together.

What are diffusers made of?

Diffusers are commonly made of wood, plastic, or even polystyrene. Jorge Castro explains: "diffusion helps in energy control and improves the sound quality in frequencies throughout the middle and high range of the spectrum, and also improves sweet‑spot image.”.

What does a spirit level do?

A spirit level will help to keep things looking neat. The first thing to grasp is the outcome you want to achieve. It's a common misconception that acoustic treatment should kill all reverberation, and that you want a room covered floor‑to‑ceiling with foam tiles: this isn't what you're aiming for.

What is acoustic design?

Andy Munro, acoustic design specialist, remarks, "acoustic design is the science that restores a neutral sound balance”. Applying that science means interfering with the path of sound to control the sound energy. Jorge Castro, chief acoustician at Vicoustic, says that "in the case of affordable treatment, we need to control the energy ...

What is a standing wave?

Most home studios suffer from low‑frequency 'standing waves', where the physical length of the wave is a multiple of the room dimensions. The result is increased volume at frequencies where the wavelengths match room dimensions, and deep troughs or dead spots in places where the room dimension is an even factor (such as a half or quarter) of the wavelength. Standing waves are more apparent in smaller rooms; and square and cuboid rooms, or rooms where one dimension is an exact multiple of another, are the worst culprits. The wavelength of open 'E' on a guitar is around 14 feet (just over 4m), so if you've converted a single garage into a studio, your longest wall will probably be almost exactly the length of a waveform at that frequency!

How to keep early reflections on a tight leash?

To keep early reflections on a tight leash, the 'mirror points' of the room should be identified and treated . To do this, sit in the listening position and 'guesstimate' where a mirror would have to be placed to enable you to see each monitor cone from the sweet spot. Then apply absorption to these points.

How to calculate the distance between panels?

To calculate the distance between each panel, and between the end panels and the walls, you just measure the length of the wall, subtract the total width of all the panels to be fixed to it, then divide that figure by the number of gaps between panels (or by the number of panels plus one).

Why do untreated rooms have uneven frequency response?

Untreated rooms have an uneven frequency response, which means that any mixing decisions you make are being based on a sound that is 'coloured', because you can't accurately hear what's being played. In short, you can't possibly tell how your mix will sound when played back anywhere else.

What is a quiet quilt?

Quiet Quilt Soundproof Blankets are the durable, long-lasting solution for soundproof enclosures and fences. Frequently used in plant around workstations, to create an enclosure around an HVAC unit, or as a soundproof fence on a construction site to meet noise ordinances.

How effective is an acoustic blanket?

Trying to use an acoustic blanket to block sound on its own will be mostly ineffective, but they are VERY effective at two things: (1) reducing echos or reverb inside a space (2) enhancing the performance of an existing barrier. Getting the right coverage is key for acoustic blanket performance.

What is second skin blanket?

Second Skin’s soundproof blankets are used at events like weddings or concerts, anywhere you need to create a temporary sound barrier. They can also be applied as long-term, permanent barriers at your home or business around loud machinery like an HVAC unit or a generator.

How long do sound blankets last?

Second Skin creates blankets for any timeline. Temporary blankets are designed to last for less than 5 years. They are cheaper, but still perform very well to meet code on your construction site. Permanent blankets are reinforced and engineered to last 15 years. Permanent blankets are designed for long-term use in structures like warehouses or shops, or if you’d like to hold on to them for multiple projects.

What is STC rating?

The STC rating measures how much sound a particular construction or material can stop. The higher the rating, the better the soundproof blanket will be at blocking sound. If you’ve been on a construction site, you’re no stranger to soundproof blankets, as they’re often used to meet local noise ordinances.

What is sound blanket?

Sound blankets are not all made the same, so before you decide to use them for your project, you should know what type would work best for you. First you should understand the difference between soundproofing and acoustics (sound absorption). Soundproofing materials are used when you need to block sound from entering or exiting a space. The goal here is to create barriers to prevent sound’s travel and reduce the noise level. Acoustics is important when you want to improve the quality of sound inside of a space. Acoustic materials absorbs echoes and reverberations which can build up in large spaces or rooms with lots of reflective surfaces. Acoustics also matters in rooms needing high fidelity audio, like recording studios.

Why is soundproofing important?

The goal here is to create barriers to prevent sound’s travel and reduce the noise level. Acoustics is important when you want to improve the quality of sound inside of a space.

What is the best acoustic wall treatment for recording studios?

Acoustic panels and diffusers are the two most common acoustic wall treatments needed in every recording studio. Learn what they do and how they work to make your studio and your mixes sound better. Then learn how to use them in your studio and discover which panels and diffusers are the best products available today.

What is an acoustic panel?

Acoustic panels are lightweight sound absorbers made of a special acoustic foam. They are effective at controlling and reducing early reflections, flutter echo, slap echo, excessive reverb and comb filtering that result from sound bouncing off walls and ceilings.

What is Sonoflat panel?

Auralex’s SonoFlat panels are the next level up in acoustic sound control. They are made from Auralex’s proprietary StudioFoam which provides a very high degree of mid and high-frequency absorption.

What is the thickness of an acoustic panel?

Acoustic Panel Shapes and Sizes. Acoustic panels come in 1”, 2” or 4” thicknesses. 1” panels are the least expensive but absorb the least sound. Most panels are 1’ square, 2’ square, or 2’ x 4’. The 1’ and 2’square versions are a little easier to work with and lighter to hang than the 2’ x 4’ panels.

How many square feet does a home studio use?

And your recordings and overall mixes will reflect this. While studio size plays a factor, most home studios use around 36 to 48 square feet of panels. This, of course, can vary greatly depending on your room’s current layout and acoustics.

Is ATS more expensive than Auralex?

ATS is known for high-quality sound control products designed for professional users. At first glance, they seem more expensive than Auralex products , but this is because they are sold separately, not in bundles. However, these panels are 4’ X 2’ X 2” panels, so they are quite a bit larger.

Do acoustic wall treatments make your room sound better?

The answer is: Acoustic wall treatments…. These acoustic sound products not only make their rooms sound better but give mixers and producers an accurate acoustic environment to produce great mixes. So if you want great-sounding tracks and better mixes in your home studio, you need acoustic treatments too.

How to soundproof an apartment?

Add area rugs. To mask sound coming from lower neighbors in an apartment situation, consider adding thick area rugs to your main living spaces . Large and thick area rugs can help to soundproof your room. Adding a pad under the rug is another way to enhance the sound masking, without taking up additional square footage.

What is a sound machine?

Many sound machines can offer a variety of background noise, including white noise, nature sounds, rain, and more. A sound machine or white noise machine can help to soundproof a room by drowning out the sound.

How to block outside noise?

To block outside noise, put blankets over the walls, doors, or windows, depending on where the sound is coming from. To keep the sound in, hang blankets on both sides of the doors or inside walls. Likewise, you may use cabinets, bookcases, and other large pieces of furniture to soundproof a wall.

What is the best way to add air flow and white noise to a room?

If you don’t need or want to purify your air, a ceiling fan, box fan, or other modular fan is a great way to add air flow and white noise to your room.

How to keep sound from bouncing?

Adding upholstered furniture to your space gives more areas for sound to be absorbed into, and keeps it from bouncing as much. If you don’t have room for more furniture, try adding thick blankets or plush throw pillows to your existing areas.

How to mask sound in a room?

One of the easiest ways to mask unwanted sound in a room is to add furniture and natural decor to your space. Sound bounces off of hard surfaces, like hard flooring or blank existing walls. To kill sound in its tracks, consider adding finishes that the sound can be absorbed into.

Can you use blankets for soundproofing?

Speaking of blankets, if you don’t have the budget to buy extra sound dampening furniture, curtains, or rugs, you can use blankets as a free soundproofing alternative. Get Blankets – Gather up all of the blankets and quilts you have around your home.

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