how to find reflection points for acoustic treatment

by Mr. Alek Parisian Published 3 years ago Updated 2 years ago

An easy way to test where you should place your acoustic treatment is by using a mirror or the camera on your phone in selfie mode. Get someone to help you hold it on the surfaces where you think there may be reflections and then if you can see your monitor speakers that’s how you find the reflection points.

Part of a video titled How to Treat a Room with Acoustic Panels - First Reflection ...

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Sit in your listening. Position while your friend slides a mere along the wall. Any point where youMoreSit in your listening. Position while your friend slides a mere along the wall. Any point where you can see a speaker in the mirror is an early reflection point there should be too early reflection.

Full Answer

How do you find reflection points in soundproofing?

Give your wife a mirror and have her walk along the wall with you watching the mirror. Any location you can see the left or right speaker needs treatment. You have 2 first reflection points per wall. One where you see the right speaker, one where you see the …

What is the best acoustic panel thickness for reflection points?

Mar 10, 2020 · This video shows you where to place acoustic panels for improving the sound in any room or environment once you have found the optimal listening position. Th...

How do you find your reflection points?

Step 4: The commonly accepted theory when it comes to diffusion is…it’s far more effective in larger rooms compared to smaller rooms. Add to that, the fact that commercially-made diffusers are expensive, and it’s no surprise that most home studios skip it entirely. And that’s totally fine.

Where are the first reflection points treated with bass traps?

Nov 20, 2013 · The need for treating early reflection points is common in smaller rooms. "Early" reflections are sound waves that bounce off something like a wall or ceiling and arrive at your ears at almost precisely the same time as the direct sound coming from the sound source. The standard treatment for early reflections is to place an absorber at the place where the sound is …

How do you find acoustic reflection points?

Sit at your listening position as you normally would when listening or mixing. Starting with the left wall, have a friend hold a mirror up against the wall next at your speaker height, then move toward the back of the room. When you can see the reflection of the left speaker in the mirror, mark that spot.

Where are the first reflection points acoustic treatment?

Where is the first reflection point? The first reflection point is the mirror point between the loudspeaker and the listening seat. These are on the two walls either side of the mixing or control desk. The third reflection point is on the ceiling between the loudspeakers and the listening position.

How do I know where my acoustic panels are placed?

Part of a video titled How should I position my acoustic panels? General tips how to space ...

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Room corners for better base response. But most of your treatment. Will likely work best at ear.MoreRoom corners for better base response. But most of your treatment. Will likely work best at ear. Level if you want a better idea of where exactly in your room you should place your acoustic.

How do you find the second reflection point?

When you see the reflection in the mirror, mark that spot on the wall (a primary reflection point.) Then have you assistant move the mirror along other surfaces until you see a reflection of the previously marked location to determine the site of a secondary reflection point.Jul 25, 2001

How do you measure reflection in a room?

Part of a video titled How to Treat a Room with Acoustic Panels - First Reflection Points

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Where do you put acoustic treatment in home theater?

It is recommended that two acoustic panels are placed on either side of screen or TV and face the back of the room. If you have a perforated screen (such as a projector screen made of fabric) you can put panels behind it to help reduce these additional reflection points.Jul 30, 2020

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%.Sep 26, 2019

How high should I put acoustic panels?

For a standard room, acoustic panels are usually placed directly in the middle of the wall. Ideally, there should be 24 inches of space both above and below the panel.

Does acoustic foam work both ways?

Soundproofing foam works both ways for the most part, but it's most effective when the shape of the foam is uniform on both sides. The material of soundproofing foam does a lot of the soundproofing, but so does the shape in which it's formed.

Which is early reflection of sound?

Early reflections are the echoes of a signal that arrive at the microphone within a stretch of about 30ms after the direct sound. Early reflections are direct copies of the direct sound source, rather than diffuse mixtures as are present in the late reflections, or reverberation, or a sound source.

What do early reflections sound like?

Early reflection points or first reflections are terms to describe direct sound which arrives at the listener's ears before the rest of the reflected sound does. Sound reflects not just off the walls to the left and right, but off the floor, the ceiling and everything in-between.

What is the first law of reflection?

The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.

Acoustics 101

Before getting started with acoustic treatment, it’s a good idea to have a basic understanding of acoustics in general.

Soundproofing vs. Acoustic Treatment

Very often, musicians will use these two terms interchangeably, mistaking ONE for the OTHER…

Evaluating Your Bare Room

Too often, when novices first hear of the supposed benefits of acoustic treatment…

The 3 Elements of Acoustic Treatment

Getting your room to sound great with acoustic treatment requires of a combination of 3 items:

1. Bass Traps

The first and most important element of acoustic treatment to add to your room is bass traps.

2. Acoustic Panels

While many people think of acoustic panels as the primary “go-to” weapons to combat problems with studio acoustics…

3 Great All-in-One Packages

If you haven’t figured it out by now…buying all this stuff individually can be a HUGE hassle.

How early reflections work

The diagram below shows sound coming from a pair of speakers. The speakers each show two paths (shown as Green and Red arrows) that the sound wave will follow.

When to treat early reflections

Treating early reflection points will enhance clarity and yield a more precise and entertaining stereo image.

Low-end in small rooms

Smaller rooms typically need a significant amount of low frequency absorption. So if your room is approximately 5,000 cubic feet or smaller, you should use 4-inch bass trap panels for your treatment including early reflection control.

Treatment FAQ