Treatment FAQ

what is an acoustical treatment

by Lilla Marvin Published 2 years ago Updated 2 years ago
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Acoustic treatments are solutions that help to absorb or diffuse sound to improve the acoustic quality of a space. These treatments come in various forms, and some facilities may need multiple types of treatments to achieve the ideal acoustics for the space.Nov 13, 2020

How to acoustically treat a room?

Jun 26, 2003 · Acoustic Treatment. Acoustically treating a room is necessary in audio production due to the fact that very few spaces have the physical qualities that make for accurate monitoring or desired recording. There are many things that can be done to a space before and during construction to optimize its acoustic behavior.

How to do acoustic treatment?

Oct 27, 2021 · 1. Bass Traps Bass traps are essential to sound treating a room. Low-frequency sound waves are long and powerful, making... 2. Acoustic Foam Acoustic foam panels are what people think of first when they think of acoustic treatment. Because... 3. Acoustic Panels

How to acoustic treat Room?

Acoustical Treatment If you need an acoustical spray treatment to reduce noise in your commercial building or residence, the experts at ATS Acoustical Thermal Spray, Inc. are here to help. We offer a bevy of noise reduction treatment options, including the following. K-13

What is acoustic treatment?

Mar 28, 2018 · While acoustic treatment may not help isolate your space from the outside environment, it can help you manipulate the acoustics of a space to minimize echo and low end inconsistencies, and improve the sound quality overall.

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What is acoustical process?

The central stage in the acoustical process is wave propagation. This falls within the domain of physical acoustics. In fluids, sound propagates primarily as a pressure wave. In solids, mechanical waves can take many forms including longitudinal waves, transverse waves and surface waves.

What is the difference between soundproofing and acoustic treatment?

Soundproofing is intended for minimising the level of sound that passes through the walls both ways by building it with heavy and dense material. Acoustic Treatment is intended for controlling the sound reflections INSIDE the room for making better sounding recordings.May 6, 2016

What does acoustic treatment of a room involve?

Soundproofing a room would involve, for example, blocking any gaps going in/out of the room with heavy, dense material and sealing any openings that would allow sound to leave the room.May 30, 2019

What is acoustic treatment in recording?

The benefit here is…you can record whenever you wish, without worrying about you and your neighbors disturbing each other. Acoustic treatment on the other hand, aims ONLY to control sound reflections WITHIN the room, to make better sounding recordings. BOTH of these are valuable, but NEITHER does the job of the other.

Does acoustic treatment soundproof a room?

There are many practical reasons why you might acoustically treat your rooms. It won't reduce sound transmission in and out of the room like soundproofing, but it can reduce the acoustic energy in the room by absorbing sound that would otherwise bounce around the space.Apr 28, 2021

Why do I need acoustic treatment?

Acoustic treatment is the best way to ensure that what you're composing, mixing, and editing is accurate and unaffected by the room you're sitting in. Even if you want to have a live vibe in your recordings, you'll still want to have control over the sound.

What are the two most common types of acoustic treatments?

These include reflection, reverberation and resonance.Reflection. Reflection is a common problem in many rooms. ... Reverberation. Reverberation is the problem that occurs when multiple sound waves bounce off of surfaces and congregate together. ... Resonance.Nov 13, 2020

Where do you place acoustic 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).

What is the cheapest way to acoustically treat a room?

Here are three of the cheapest ways to soundproof a room using furniture and decor.Use curtains and window treatments. Not only do curtains serve as a great visual barrier against nosy neighbors, but it offers dual purpose sound dampening as well. ... Add area rugs. ... Add upholstered furniture.Dec 9, 2021

How do I test my room for acoustic treatment?

Walk around the room while listening to the song, and notice how the volume and frequencies differ in various places in the room. This may be subtle or it may be quite noticeable. This will give you a general impression of the acoustics of the room.Aug 3, 2016

How do you set up acoustic treatment?

Start by mounting bass absorbers and treating your first reflection points. 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.

What do acoustic panels do?

An acoustic panel is a sound-absorbing panel used to mitigate background noise and reduce the reverberation and echo in a space. When we talk about an acoustic panel, we refer to it in its broadest sense including vertical and horizontal panels.

Soundproofing vs. Acoustic Treatment

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What is acoustic treatment?

Acoustic treatment is the process of improving the acoustic properties of a room for recording or mixing music. The goal of acoustic treatment is to make your environment sound more neutral and sonically pleasing with controlled ambience and predictable qualities for recording. Acoustic treatment is done by mounting absorption or diffusion devices ...

What is an acoustic diffuser?

Acoustic diffusers are a form of acoustic treatment that scatter reflections rather than absorbing them. They’re an important part of comprehensive acoustic treatment. If you only use absorption, you’ll end up with a space that sounds unnaturally “dead.”.

What is the absorption method?

This method is called absorption. Acoustic absorbers are made from material that stops sound energy from bouncing off hard surfaces like walls and ceilings. Acoustic absorbers are made from material that stops sound energy from bouncing off hard surfaces like walls and ceilings.

What is bass trap?

Bass traps are acoustic absorbers built to prevent problematic reflections from low frequencies. This type of acoustic treatment requires extra mass and absorptive properties to deal with low frequencies effectively.

How does diffuser work?

Diffusion is the other approach to acoustic treatment. Diffusion works by scattering problematic reflections in different directions. This reduces their negative effect. Acoustic diffusers are made of rigid materials arranged in patterns of varying height, size, or surface direction.

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!

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 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.”.

Is it better to have two hands or four hands?

Four hands are better than two when it comes to measuring and marking the walls. The spirit level is essential. 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.

Why do we need acoustic treatment?

The concept of acoustic treatment is based on the fact that most spaces need some help to achieve better acoustics. Maybe there are too many hard surfaces that deflect sound waves and allow them to reverberate throughout your facility, or maybe your walls allow sound to bleed over excessively from room to room.

What is an acoustic panel?

Acoustic Panels. Acoustic panels are designed to absorb sound waves, just like bass traps. However, acoustic panels are thinner than bass traps, which means they won’t be as effective at trapping lower frequencies. They can still make a significant improvement, however, in spaces where reverberation is an issue.

What happens when sound waves travel across a room?

When sound waves travel across a room, they will run into surfaces, such as walls, furniture or other objects . Certain types of surfaces will absorb sound waves. Others will cause sound waves to bounce off and continue traveling in a different direction. This can especially cause a problem for school auditoriums, concert venues, ...

Why do I hear reverberation in my room?

For instance, you’ve probably noticed that you hear more reverberation in a large, empty room than one full of people. That’s because when there are people in the room, sound waves are absorbed by encountering people’s clothing. When there is nothing but hard surfaces, however, sound waves will bounce around continuously.

What is resonance in sound?

This is the concept of resonance. Resonance can create acoustic problems for facilities. Resonance causes sounds in a room to be “boomy,” a term sound engineers use to describe loud, distorted sounds. It can also cause feedback in sound systems.

Do acoustic panels absorb sound?

Whereas bass traps, acoustic panels and ceiling clouds are designed to absorb sound, some acoustic treatments are instead designed to diffuse sound. Absorbing sound dampens the overall sound in the room. In some scenarios, you’ll want to keep sound waves from causing echo without fully absorbing the sound, so the room doesn’t end up sounding too quiet.

Why are bass traps so difficult to regulate?

Low-frequency sound waves tend to be the most difficult to regulate because these waves are especially long and powerful. These sounds also collect in corners and make the bass sound in a room sound too loud. This is where bass traps come in. As the name suggests, these devices are designed to absorb or trap bass sounds at the corners of a room.

What is Sonaspray ceiling finish?

Sonaspray. An offshoot of K-13, Sonaspray is a visible ceiling finish that helps reduce noise control in commercial buildings. It’s known for being aesthetically pleasing and is a popular choice for both remodels and new constructions. It is comprised of cellulose fibers and has natural fire retardants.

What is Sonakrete spray?

Featuring a carefully designed plaster texture, the SonaKrete spray is renowned for reducing noise in older, historical spaces, or buildings with arched ceilings. However, you don’t have to let style suffer for substance’s sake, as it provides a visually appealing finish at an affordable price.

What is K-13 spray?

K-13 is a versatile spray that can be customized to suit the specific needs of your insulation and building. Since it’s available in wide array of colors, it will seamlessly fit into your building’s overall décor while still providing the noise reduction benefits you seek.

Is Celbar spray on fire resistant?

In addition, we offer Cel bar spray on, which is an environmentally friendly solution that is made from recycled paper and natural cellulose fibers. Celbar is both fire resistant and a wonderful application for reducing noise, making it a popular option amongst our customers.

This is my room. There are many like it, but this one is mine

The room I am working with is rectangular in shape, 17.5 feet long, 12 feet wide, and 8 feet tall. As you can see in the accompanying photographs, there is a screen on the front wall, the right wall has a window in the middle, and the rear wall has no openings.

A holistic approach to room acoustics

When you move beyond treating first reflections into the domain of whole-room acoustical treatments, there are a number of different philosophies governing the overall balance of absorption and diffusion.

Hiring an acoustician vs. the DIY room acoustics approach

After spending way too much time reading endless articles of that sort, I decided to consult with some professionals and leave the philosophical decisions in their hands. I reached out to a couple of companies that design and manufacture room treatment panels — Vicoustic and GIK Acoustics — and submitted project requests through their websites.

Acoustical treatments for stereo vs. surround sound

The Vicoustic team typically wants room photos and dimensions, building materials, architectural drawings, anticipated use, a list of AV equipment, etc.

First impressions of my newly treated room

The first thing I noticed was improvements in terms of reverberation time, a primary focus in room treatment. Have you ever been in a room with a lot of delayed and reflected sound? In other words, a room that sounds like a cave? This is likely a result of excessive reverberation time.

Some critical listening in my acoustically treated room

Listening to music with the professionally installed panels installed, I was able to hear several changes. The room was more balanced on the horizontal plane, and imaging became more precise.

Potential downsides of professional room acoustics treatments

Does this mean that all is perfect and there is no downside to installing panels in your room? No. The panels still take up space, and the aesthetics of treatments not hidden behind a fabric wall may not be pleasing to some.

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