Home Theater System Setup Guidelines

Home Theater System Setup Guidelines

 

These days, majority of people have designs for audio visual system at home. It is very well-liked not only for lovers of music but also for the fanatics of movie. This technology is well thought-out to be a huge competition to cinemas since people tend to remain in the house watching movies rather than watching in cinemas. An excellent knowledge of setup for home theater is vial so as to get the optimum listening and viewing experience feasible for home entertainment and home relaxation.

 

Several factors are present in setting up a system for home theater. One among these aspects is with regards to the size and shape of the room in which you are positioning the system for home theater. The system should match the room size so as to get the optimum possible life like and surround sound performance. Small room must use lesser number of speakers and lesser power speakers in comparison to a much larger room. A home-theater-in-a-box could be sufficient for small rooms. This comprises of a system for 5.1 sub-sat. Suppose you have a larger room, this setup for home-theater-in-a-box could not be sufficient. You could consider utilizing bookshelf speakers or also some designs for standing on floor. Besides, you can gear towards systems for 7.1 home theater. Few people begin with small systems comprising of 2 front speakers initially. Then, they add few speakers soon after. This is feasible if you have a limited budget, but, make sure that every speaker matches and compliments each other in sound quality and acoustics. You cannot get a reasonable surround sound suppose your speakers have a lack of balance, with diverse frequency response and sound quality.

 

Aside from the room size, also you need to think about the acoustics of room. The walls must take in the sound arriving from your speakers rather than bouncing it. You can select a soft wall material in addition to thick curtains. Floor carpeting is also a great solution in evading room echo.

 

Remaining components of a system for home entertainment are Blu-ray players or DVD players, receivers for home theater and the visuals, like Projector or TV. Few include the gaming consoles in their home entertainment room setup. The choice of the components will differ based on your requirements and also the extent to which you are keen to invest for a package as such. Besides the major components, one more important factor in system for home theater is the accessories, like audio-visual cables and speaker cables. These cables mainly affect the performance of system. Suppose your system is high-end, the practice of using high-end cables is good to utilize and also get the majority from your system.

 

Remember that you also have to consider the furniture type for your entertainment room since also this will affect your viewing pleasure and relaxation. This could include the component desk, TV stand, speaker stands, home theater seats and couch. Finally, position of seating relative to speakers and visuals must also be designed correctly for getting the best possible listening and viewing experience from your system for home entertainment.

How to Build a Recording Studio ­- Part 7: Acoustics

How to Build a Recording Studio ­- Part 7: Acoustics

Sound, like ripples formed on water when a stone is dropped on it is a wave. If the waves are larger, the tone is lower. Lower tones, called bass frequencies, move in long wide waves while higher tones called treble frequencies move in a constricted, shorter wave. Human ear can comprehend sound of frequencies ranging from 20 Hz to 20 KHz. For instance, a piano has the widest range among all instruments, ranging from 39 Hz (low note) and 3 KHz (high note).

Measurement of sound is done in decibels (dB). A normal concert produces approximately 95-100 dB of sound and a noisy rock concert could produce a sound of 130 dB. This is more than the threshold of pain; don’t forget to put on your earplugs which are specially made to protect your ears when you are exposed to very high sound levels. It is Interesting to know that whales can easily produce sound levels of even 180 dB. So avoid proximity to whales and wear some ear protection when you are exposed to such loud noises.

Absorption

In absorption a sound wave is soaked up by a certain material and is measured by its co-efficient rating. The higher the rating of the material, the more is sound that is removed from the affected areas in your room. The various parts of the room may need differing co-efficient rating. Studios are empty shells in the beginning. Hard walls and surfaces have to be treated to make a room that sounds great. For instance, studios commonly use theater curtains of 20 gauge. It is a dense velvet material, having excellent absorption capacity for high-end frequencies. The thinner materials can absorb higher frequencies. Thicker materials absorb lower frequencies. This is the reason for having thick bass traps of large sizes containing holes or ports or to block low-end frequencies.

The variety of designs and products used in the industry is endless. Wall panels are widely used for absorbing sound. These are fiberglass panels enveloped in a cloth fabric. Varying thicknesses and sizes are used in cases of problem frequencies. Here too, the thin materials absorb high end frequencies and thicker materials the low end.

Reflection

This is opposed to absorption. Assume that the sound wave is striking a mirror and reflecting back. This favors a brighter tone. If there is too much of absorption in a room causing it to sound extremely dead, place hard surfaces like wood panels in strategic spots to enhance the sound in the room.

There are studios having hanging panels that can be reversed or flipped from reflective to absorptive and vice versa to alter the sound in the room at will. Vocals will need more absorptive, dead sounding room. Drums need a more live room. Drums create the opposite effect when absorption is used in a room that is small and tight producing a heavy sound of Pop drum.

These are only guidelines, not rules. Make use of your ears for deciding the best sound.

 

 

5 Good Reasons For Soundproofing Your Home Or Workplace

5 Good Reasons For Soundproofing Your Home Or Workplace

 

With the growth of the population lesser people are presently residing in rural communities and pollution by noise can be a main environmental issue. There is presently a greater necessity for soundproofing to produce a more tranquil and peaceful environment in your workplace or home. Soundproofing can assist in several places from flats and houses and to churches and schools. This article covers few of the major reasons soundproofing or acoustic installation can be useful to you.

 

Suppose you have boisterous neighbors this can invade your privacy and considerably affect your life quality at home. It usually affects attached houses where slight or no attempt at acoustic installation or soundproofing is present. Soundproofing creates an obstacle against noisy neighbors.

 

Otherwise you could live on a road that suffers traffic of high volume. Even though cars have to abide by certain standards of noise-level themselves, no particular permissible restrictions on noise from roads are present. Besides being annoying few environmental consultants believe that too much pollution by noise can cause ill health.

 

Repeated exposure to excessive noise can lead to loss of hearing in few cases. People of all ages can be affected by this and could increase steadily over a duration of time. The effects can be short term and long term based on what kind of noise you have had exposure to. People must not have to endure this when loss of hearing caused by noise can be averted.

 

Having to hear continuous noise can also result in irritation and a reduced concentrating ability. This can subsequently lead to anxiety and stress.

 

Perhaps you prefer to play deafening music yourself and this is a source of annoyance/irritation for your neighbors. Soundproofing can assist make harmony for your neighbors and yourself. It also implies you can loudly play your music at whichever time of the night or day devoid of disturbing others.

 

In the earlier period, people have shifted their homes for escaping problems due to noise. People working in boisterous offices have interruption in meetings and suffer low performance because of an absence of concentration. For solving problem an acoustic noise issue whether in the workplace or home, an acoustic consultant can properly identify the issue and offer practical advice and solutions. Also they can make certain the materials are accurately fitted and are a superior quality. It is extremely vital that fitting of all the materials are correct and accurate to attain the preferred effect – sound reduction and harmony and peace for everybody!

 

If you want to soundproof your home or workplace you can contact Moov Group.

The Unconventional Guide to Sound Barriers

The Unconventional Guide to Sound Barriers

To live in an environment free from pollution is possible only in imagination. Polluted water and air are not the only sources causing problems; excess noise is also one of the main culprits. An environment that is noisy also makes life miserable making it unhealthy. The entire environment consisting of commercial buildings, homes and offices are significantly affected due to this pollution. And, you cannot find a ready solution to solve this problem. Fencing your property, perhaps, is the only method to lessen it to some extent.

If you install a sound barrier inside or around your commercial property, you may be able to increase your employee productivity and also be able to provide them a quiet working environment. And if you have one installed around your residential property, it can make the environment quite peaceful to live in, relax and rest.

The noise is not just a cause of your discomfort; it also leads to hearing problem in most of the people. That is why sound control steps are becoming the foremost choice everywhere. But, then, how is noise fencing able to do it? How to know about the science behind sound and fencing? The details will be too complicated. To know some basic facts and theory, go through the following.

Sound reduction methods are approximately grouped into two – reflective and absorptive; the required materials are selected accordingly.

Absorptive & Reflective Ways to Control Noise

Porous materials with sound dampening property are regarded as absorptive materials. With this type of materials, sound does not rebound back to the origin. Reflective barriers built from hard materials, like concrete, brick or masonry reflect the sound back to the source. If a noise barrier is not treated with some type of absorptive content or coating it is considered reflective by default.

Absorptive barriers work better than the traditional reflective barriers. In any case, they absorb noise and provide high level of quiet environment whereas the reflective barriers cannot kill the noise. It just returns the sound waves back towards the origin or spreads it all over.

For example, a highway having parallel sound walls that are reflective definitely minimizes the traffic noise. But being a reflected sound, it rebounds off the adjacent parts of highway. So, the net result is not absorptive which a parallel wall lined with an absorptive material can provide you. In the absence of sound-absorptive design or treatment, the reflective wall can’t perform equally well. Therefore, it is any day better to select an absorptive materials and not the reflective one for the best acoustical performance.

If you are looking for the best for noise reduction for your premises, experts will recommend you the ideal one. They will guide you to the proper sound barrier and relevant data sheet. It will perform well as a noise reduction agent, and will also enhance the aesthetics of your area. They will help you to build the right type of barrier of quality material for your property.

Sound Blocking Vs Sound Absorption – The Difference Will Make or Break Your Soundproofing Experience

Sound Blocking Vs Sound Absorption – The Difference Will Make or Break Your Soundproofing Experience

Anybody having the experience of having been exposed to uncontrolled or unwanted sound in an apartment, home, school, theater or business environment will be aware how irritating it can become. Also, unrestrained sound can be more than just be irritating to your nerves; certain type of noises can really injure your hearing ability.

High-frequency and high-intensity sounds, are the most harmful to the ears because the number and intensity of the waves of sound that are being transmitted are very high. Even a little change in the level of decibels has a substantial effect on the way you perceive the sound; a variation of even 3 decibels is important. An increase of just 10 decibels in fact makes a sound appear two times as loud to our ear—an increase of  100-percent.

What can you do to regulate sound?

Choosing from the numerous products for sound-control available on the market isn’t going to be easy but an examination of the products, will reveal to you that they’re mainly divided into two clear categories: sound blocking and absorption.

Sound blocking

Sound blocking consists of preventing sound waves from getting into places where they are not welcome. For example, your neighbors playing continuous music or the incessant noise of traffic coming from the highway close by may be enough to tire you. To block similar sounds from traversing through ceilings, walls, and floors, you have to add MASS, which usually means constructing thicker walls and ceilings and suspended floors with denser materials.

Sound absorption

Sound absorption, as indicated by the term, encompasses the use of the specific material for absorbing the sound waves and stop them from bringing about distortion like reverberation or echoes. Suppose a room is big and empty it cannot offer hardly any sound absorption, as the room has no objects in it to prevent the sound waves from bouncing off the naked walls. But once you add carpet, heavy drapes and some upholstered furniture, you’ll immediately become aware of some improvement. If the objects in the room are more fibrous they can absorb sound better. This would suggest that strengthening the decorative materials in the room with some extra acoustical products like panels or other products particularly designed for absorbing sound will help to improve the environment of sound even more.

As can be understood from the above descriptions, soundproofing is a not such an easy process, but involves some complications. Sounds produced by various sources have different frequencies and the levels of energy produced by them are also different and therefore each of them have to be treated accordingly in slightly different ways using different techniques.

 

Building, Design for Sound and Acoustics, Part 4, Understanding Sound Transmission (STC) Ratings

Building, Design for Sound and Acoustics, Part 4, Understanding Sound Transmission (STC) Ratings

 

A fundamental understanding of the rating of Sound Transmission Class (STC) is an essential ingredient in the correct planning and design of any public space or room. If you are concerned about transmission of sound from one room to another the tool STC rating is used for measuring the efficiency of a material or ability of soundproofing system to achieve your goal.

 

This article has information on understanding and applying measurements of Sound Transmission Class (STC) to facility or room soundproofing. The STC is a measure of the ability of materials to obstruct sound from transmitting from space to space. If comfort or privacy of guests is a worry a level of soundproofing must always be considered during the planning and construction stage of both private and public spaces. When sound energy comes into the building structure it will transmit from room to room. This is known as Structure Borne Transmission. The objective is to control the sound energy inside the space and better the experience quality of the occupants utilizing the facility.

 

All materials and products utilized in application of soundproofing a facility or room will use one among the following measurement forms;

 

1) NRC (noise reduction coefficient)

2) STC (sound transmission class)

3) MTC (music transmission class)

4) OITC (outdoor indoor transmission class)

 

The rating of STC is used most commonly in sound suppression or soundproofing.

 

Let us look into few facts about the STC rating. Do not be fooled by a material’s high ratings. Everything is not as it appears. The rating of STC is specified as an average of the way the material will function at frequencies from 125 Hz (bass) to 4,000 Hz (treble). Generally this will be specified as a solitary number reference (STC 54). There is more transmission of sound energy from the lower frequencies. This is clearly evident when you hear the car adjacent to you rattling and booming while the adolescent is listening to the most recent hip hop music. The sound waves of higher frequency have much less energy and therefore more easily controlled within a room.

 

Quick Points

 

1) The rating of STC is an average of the way a soundproofing material will function over an array of sound frequencies.

 

2) The rating specifies the ability of soundproofing materials to reduce sound levels from 125 Hz (bass) to 4,000 Hz (treble).

 

3) For higher rating the overall average material’s performance is better.

 

4) Decibels (db) are used for measuring the rating.

 

5) There will be a difference in the performance of soundproofing materials based on the frequencies it receives.

 

The continuation of this is given in the next part titled ‘Building, Design for Sound and Acoustics, Part 5, Understanding Sound Transmission (STC) Ratings’.

Soundproofing a Home Theater Using Green Glue Or Mass Loaded Vinyl

Soundproofing a Home Theater Using Green Glue Or Mass Loaded Vinyl

 

In the past the best way to construct a home studio or a home theater was to build new wall inside the present room and then construct what is called a “Room inside a room.” Though this technique of soundproofing is yet quite effective, it is expensive and takes plenty of wall space in your theater room that is already cramped.

 

A better proposal is working with your present walls by adding a fresh drywall layer to the existing ceiling and walls by applying a coating of a product named Green Glue on the fresh drywall and sandwiching it amid the present wall and the fresh drywall. If this is done to all the ceilings and walls you have made significant progress in soundproofing a great home theater. Suppose the location of your home theater is on a second floor, now the ceiling becomes less of a worry and the floors develop into more of a problem. Soundproofing of floors can be done in several diverse ways based on what the completed floor will be installed. Suppose you are planning to have pad and carpet for the completed floor in your theater, subsequently an underlay for soundproof floor would be in place.

 

Your home theater could have other concerns such as windows and doors. For a minute let us talk about doors; suppose you are attempting to play the movie in the home theater, subsequently a door with hollow core may perhaps be your worst enemy. Majority of present doors in bedroom are hollow core and do not do much about soundproofing. The best bet would be purchasing a solid wood door or solid core MDF. You may add an automatic drop down seal to the base of the door and also a seal kit for door perimeter to seal around the door where it gets closed into the jamb. The cost of an actual soundproof door could be in thousands, with careful planning and a little time; the same results can be got at 1/4 the cost.

 

The final thing we have to talk about your home theater are the windows. Suppose neighbors are a worry, then it is recommended to build window plugs using the 2 inches vinyl nitrile foam mat of closed cell. For instance, suppose your window were 3 feet X 3 feet, the foam has to be cut to 3 feet 1 inch X 3 feet 1 inch hence giving the window plug an extra ½ inch around it’s full perimeter. This additional ½ inch will assist to hold the window plug firmly into the frame of window much similar to a cork in a bottle. Suppose the window is 4 feet or more on any dimension, it is recommended that you glue the window plug to a backer board.

Common Soundproofing Materials-Part 3: Absorbers

Common Soundproofing Materials-Part 3: Absorbers

1) Building insulation rolls

Building insulation works as an excellent absorber of sound at the noise source. The denser and thicker mineral products are considered superior. You can improve the performance by providing an air space all over the soundproofing area and also by making use of insulating materials having a lining – making sure that the lining faces the source of sound. Building insulation is more effective when soundproofing is near about the audible frequency of human voice. The thickness of roll insulation of 3 1/2 inches (just below 9 centimeters) is perhaps most economical.

2) Batts

This is same as in the case of for building insulation rolls.

3) Rigid fiberglass ceiling board and sheets.

Here too, if the board is thicker the effect will also be more. Perhaps the most economical fiberglass board thickness is about 2 inches (5 cm). The performance of fiber glass boards having facings is lesser when compared to fiber glass boards that do not have facings.

4) Form board for roofs

Two to 3 kg density fiberglass form board of 1 inch thickness can be handled easily and works very well.

5) Ceiling boards

Perforated fissured and painted mineral ceiling board can be handled easily and it works fairly well at thickness of about 2 cm. Cast mineral ceiling board with rough texture gives the best soundproofing effect. Note: Ceiling boards of wood fiber do not function particularly well. Foam sheets/tiles and ceiling boards from soundproof foam and foam sheets or tiles of thickness one or 2 inches work well as absorbers and perform almost equally well as the mineral ceiling boards, and can be handled more easily without doubt. As for barrier qualities mineral ceiling board probably is better.

6) Wall panels

General principles are similar to ceiling boards.

7) Floor coverings

Carpets are good sound proofers only when used in the form of absorbers. Much of their efficiency is due to lessening impact noise. Carpets are used mostly to minimize noise from footsteps on timber floors and also to dampen some airborne noise. You get dedicated underlays which can be laid below carpets. You must obtain clear performance data on sound transmission and also on performance on impact noise.

8) Brick

Bricks are better sound absorbers than sound barriers. Comparatively brick is a bad sound absorber. The notion that brick homes are very quiet is usually because the older homes were built with double bricks providing air gaps between the two layers of bricks which contribute considerably to the general soundproofing effectiveness.

9) Other

There are doubts whether plywood, glass and drywall are barriers or absorbers. They are discussed as barriers in the next part. The many proprietary laminates as absorbers are not really worth the investment. Also the result will be better if you buy a pair of them as un-cemented and assemble them with a gap of few inches of airspace between and secured using a resilient fixing. The small air gap between them appears to add to their soundproofing performance considerably. Cellulose spray on is also a good absorber but it is not assured what you can expect or what the thickness will be. If used correctly, it may be a very good material for cavities on the roof and as acoustic and thermal insulation. It may be sprayed straight onto the bottom of tiles, roof board or shingles.

 

Achieving Sound Dampening With Spray Soundproofing Product

Acoustical soundproofing product

Achieving Sound Dampening With soundproofing paint Spray

When you need to lessen sound, then you must think about a project for sound reduction that can completely help. The spray for sound dampening has gained much popularity and several things are present making soundproofing paint spray an excellent option that you can go for.

Why soundproofing paint spay is the best

When you prefer to spray, then you will find out that it is so easy like paint application. Also it is a very simple process not involving many people. Actually you can do it by yourself. The optimum thing is the reality that it has very consistent performance and a very high level of sound reduction is present.

Also this option is cost efficient in comparison to other methods. Also it lasts a long time since it has resistance to mildew, water, and mold. Also it is fire resistant. These are certain other factors why this is the best method to dampen sound.

How soundproofing paint is performed

Generally, two steps are included in the application. The foremost thing that is performed is applying two layers of a resilient base coat and then a mass building follows it where the final coat is applied. On increase of the mass, the coat lessens the sound transmission through walls and ceilings. The resilience is retained by the coat and the final coat can have an additional paint layer to finish the appearance of your wall.

You can apply the spray to a surface already existing or to a fresh surface where the construction is new. This solution for soundproofing has been established to really keep the cost and the noise low. Also it saves on labor. This soundproofing paint spray can be used in areas such as retail centers, offices, and constructions, media rooms in apartments, homes, condominiums, hotels, schools, and even hospitals.

Paint spray can raise a room partition to more than three points. It can be further than that; however it depends on the construction and application method having been utilized. Different colors can be used, while you can utilize another layer of soundproofing paint above the spray.

Storage length for soundproofing paint

When the spray container is closed, it can be preserved for around a year. Suppose there are new materials or ones that are remaining and are open, then need is there for them to be discarded after a lapse of six months. Spray for sound dampening can be very easily used. It is invariably important for letting the work be completed by people having some experience on application of spray or those who are experts in coatings and painting.

Steps to Use soundproofing paint

The steps are pretty much like those of normal paint. The surface will have to be prepared and two preliminary soundproofing paint coats can be applied for getting awesome results. For getting the optimum performance, you must wait for about 20-40 minutes to let the layers to dry thoroughly. Specifications are also present for the spatter tip. The sprayer must be kept clean following use.

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Soundproofing Foam – Cheap Alternate Acoustics

Soundproofing Foam – Cheap Alternatives (Part 1)

 

You could be one among the many people receiving complaints from your neighbors because of having a party indoors with a huge system of sound, or from just listening to your much loved music at elevated volume. It could be a wonder to your neighbors why you should install such a noisy system of sound for a birthday party, the reason you like to increase the volume while listening to music or the reason your band invariably likes practicing at night and so forth. They speculate are intrigued why you do not use headphones, or have the party anywhere else instead of at your house in order that it will not bother their relaxation at home or their sleep. They could understand better suppose you are a teenager; however what if you aren’t a teenager, or you have teenage daughters and sons. Your neighbors want respect for their feelings from you and may not be able to endure the loud music entering from your house. Even they might contact the police and certainly you do not wish that to occur. But, your teenagers or you do not want to give up the boisterous music only because of the complaint of a neighbor. Something can be done about this, which is installing soundproofing foam which will let you to play your boisterous music devoid of disturbing the neighbors.

 

Soundproofing Options

 

If you require soundproofing your music studio for singing or band rehearsals, you will need a decent foam quality, since for the studio you want the optimum acoustics. You can search for these foams by surfing the Internet or just going to shops selling music equipment since they usually have several options of soundproofing foam with diverse prices. If you only want soundproofing of your home in order that the noise will remain inside if you have a party, or you are planning to obstruct the noise from exterior of your house, you will be needing foam that is diverse from the one that is used in a studio. Also the foam’s thickness depends on the amount of reduction in sound you require. If you only want to lessen the noise traffic from exterior of your house, very thick foam is not required. Alternatively, if you require a kind of foam that can entirely block noise in both directions so you can have an indoor party devoid of creating an annoyance in your vicinity; you will need a lot thicker foam. Since the price of the foam for houses and studios is usually not cheap, you should be prepared to pay a realistic price.

 

But, if you are reluctant to spend much money on soundproofing, or just you cannot pay for it, by utilizing cheap materials you can soundproof on your own. Foamed plastic egg cartons or fibrous paper pulp for example; have been extensively utilized as a cheap substitute to soundproofing. You can begin collecting foamy or fibrous egg cartons since they can function as basic soundproofing.

 

The continuation of this is given in the next part titled ‘Soundproofing Foam – Cheap Alternatives (Part 2)’.