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Research On Sound Proof Olaniyan Joseph Oluwaseunfunmi

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Research On Sound Proof

Olaniyan Joseph Oluwaseunfunmi

Meaning of Sound Proof

Meaning of Soundproofing in English

Sound Proof means a special material put in a room or building in order to prevent sound from passing out of or into it, or the act of putting in this material.

Soundproofing is a specialism that revolves around effectively controlling unwanted noise, with various soundproofing materials used to mitigate the effects of noise.
Anything from people who want a quieter home and tranquility from noisy next-door neighbors, to businesses who need to reduce the noise impact that they make on surrounding areas, soundproofing comes with a long list of causes and solutions.
In fact, there are a myriad of soundproofing materials that one can choose from to apply to different uses.
Some are more suitable or effective than others, which greatly depends on the type of noise created, the source of the noise, the structure of the building, wall construction, and various other key factors.
To understand soundproofing materials and how they perform, it is important to mention that sound is a form of energy.
Sound travels from a source, and during the distance that it travels it causes vibrations whenever it hits air and any objects in its path.
These sound waves then reach the recipient’s ears and stimulate the brain.
Soundproofing materials work to reduce the sound pressure created from the source to the receptor.

Difference between Sound Proofing and Sound Absorption

Soundproofing and Sound absorption are two different concepts in acoustics.

Soundproofing is the process of blocking noise from entering or exiting a room. It involves preventing sound waves from passing through walls, ceilings, floors, and doors. This can be achieved by adding mass to the walls, creating dead air spaces between walls, or using sound barriers such as curtains or acoustic panels.

On the other hand, sound absorption is the process of absorbing sound waves within a room so that they don’t create echo. It involves reducing or eliminating reverberation, amplification, and echo. This can be achieved by using materials that absorb sound waves such as acoustic foam, carpets, and drapes.

In summary, Soundproofing is about blocking sound from entering or exiting a room, while Sound Absorption is about reducing or eliminating echo and reverberation within a room

Key Principles of Soundproofing

Here are some basic principles of soundproofing:

• Decoupling: Sound is nothing more than a vibration. The vibration will travel (conduct) easily if there is a nice solid direct pathway to follow, like the string between two orange juice cans. If we cut the string, however, we “decouple” the pathway, and the sound vibration stops (no conduction). Decoupling the framing in our walls and ceilings is enormously beneficial for soundproofing. It’s simple, inexpensive and highly effective.
• Absorption: Air cavities will resonate. When the wall is vibrated by sound, the air in the wall cavity is also vibrated, just like a drum. This air cavity is another means for sound vibration to travel from one side of the wall to the other. To reduce this, we can use materials that absorb sound waves, such as acoustic panels, curtains, or carpets.
• Mass: Sound waves lose energy when they pass through dense materials. Adding mass to a wall or ceiling can help reduce the amount of sound that passes through it. For example, adding a second layer of drywall to an existing wall can help reduce sound transmission.
• Air-tightness: Covering the whole enclosure airtight can help prevent sound from escaping or entering the room.
• Flexibility: Keeping the material limp is better than stretching it tight. Overlapping materials can also help reduce sound transmission.

Types of Sound Proof Materials

Here are some types of soundproofing materials that you can use:

1. Acoustic Membrane: A heavy-duty membrane that is used to reduce noise transmission through walls and floors. It is available in different weights and thicknesses.
2. Acoustic Mineral Wool Cavity Insulation: This is a type of insulation that is used to fill the cavity between walls. It is made from mineral wool and is effective in reducing noise transmission.
3. Fiberglass: This is a type of insulation that is made from glass fibers. It is commonly used in walls and ceilings to reduce noise transmission.
4. Resilient Channels: These are metal channels that are attached to the studs of a wall. They help to decouple the drywall from the studs, which reduces noise transmission.
5. Acoustic Hangers (Mounts): These are special hangers that are used to suspend ceilings or walls. They help to decouple the ceiling or wall from the structure of the building, which reduces noise transmission.
6. Soundproof Drywall (Plasterboard): This is a type of drywall that is designed to reduce noise transmission. It is made from gypsum and is denser than regular drywall.
7. Dense Board (OSB, Plywood, Particle Board, Fire Board): These are dense boards that are used to reduce noise transmission. They are commonly used in floors, walls, and ceilings.
8. Soundproof Floor Underlay: This is a type of underlayment that is used to reduce noise transmission through floors. It is made from materials such as cork, rubber, or foam.
9. Anti-Vibration Soundproof Floor Mats: These are mats that are placed under appliances or equipment to reduce noise transmission. They are made from materials such as rubber or foam.
10. Acoustic Sealants: These are sealants that are used to seal gaps and cracks in walls and ceilings. They help to reduce noise transmission.
11. Acoustic Caulk: This is a type of caulk that is used to seal gaps and cracks in walls and ceilings. It is effective in reducing noise transmission.
12. Acoustic Putty: This is a type of putty that is used to seal gaps and cracks in walls and ceilings. It is effective in reducing noise transmission.
13. Acoustic Plaster: This is a type of plaster that is used to reduce noise transmission through walls and ceilings. It is denser than regular plaster.
14. Soundproof Spray: This is a type of spray that is used to reduce noise transmission through walls and ceilings. It is made from materials such as latex or rubber.
15. Soundproof Paint: This is a type of paint that is used to reduce noise transmission through walls and ceilings. It is made from materials such as latex or ceramic microspheres.
16. Soundproof Wallpaper: This is a type of wallpaper that is used to reduce noise transmission through walls. It is made from materials such as vinyl or foam.
17. Acoustic Wall Covering: This is a type of wall covering that is used to reduce noise transmission through walls. It is made from materials such as vinyl or foam.
18. Acoustic Glass (Soundproof Windows & Frames): This is a type of glass that is used to reduce noise transmission through windows. It is made from materials such as laminated glass or double-glazed glass.
19. Soundproof Doors / Frames: These are doors or frames that are designed to reduce noise transmission. They are made from materials such as solid wood or metal.

Please note that the effectiveness of these materials depends on various factors such as the type of noise, the source of the noise, the structure of the building, and wall construction.

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