Anything which slows or stops sound from leaving the room is a good sound suppressant or insulator. Wool, thick lumps of Wood, or several panes of glass separated by an air gap are examples
That depends on many factors. To sound proof a room, mass is your friend. Most commonly used material is Standard drywall. Some high end material like Quiet-rock has more mass and damping capabilities and provides a higher STC. A layer of drywall or quiet-rock on the walls of the auditorium should provide good sound proofing. Foam, fabric and white noise can also be helpful when dealing with a building previously constructed, with poor sound proofing.
Gelatin
For this flower pot object you can use partition works, that will be looking good and also you will do glass partition works in Thanjavur.
An instrument used to magnify sound
Lead monoxide is used to increase the refractive index of glass.
Sound proofing works by having alternating layers of material and air that deaden the sound waves as they transfer through each layer. "Soft" materials work well because vibrations/sound waves don't transfer through them as easily. If glass is to be used it needs to be double paned with a vacuum barrier between the two panes
a glass divider is a glass panel used to divide rooms.
Sound proofing is used in cars and jet airplanes, to name a few, in cars they line the engine compartment with it to dampen the noise from the engine from from being heard inside the vehicle. Jet air planes, they do is almost the same thing.
Using empty egg crate eggholders for sound proofing a room is a myth. The biggest problem with using the egg crates is that they do not block all sound frequencies and, in fact, some people report that sound is amplified in some situations.
It is really difficult to state an average cost for sound proofing any room. The cost depends on how sound proof you want the room and what materials you choose to use as well as whether this is a do it yourself project or you have it professionally done. The price of sound proofing can vary greatly depending on the materials used. For a mid level soundproofing job you can expect to pay about $10 per sqare foot.
There are a great many devices in the world that are used to prevent noise pollution. Mutes and sound-proofing materials on walls are two devices used.
Acoustic foam is used to sound proof rooms. It is often used in musical rehearsal rooms or production studios but it can also be used in the home to provide a noise barrier.
Donnaconna board is a low-density, semi-rigid product sold in 4x8 sheets and is used for sound proofing ceilings and walls.
To make the knock sound louder for people to
Glass tiles are often used as flooring in luxurious housing or luxurious rooms such as a dining room. However, glass tiles can be used anywhere in a house or a room, and placement mostly depends on where a customer wants the tiles to be.
Sound proof building is used mainly for reducing noise pollution from inside the building to outside as well as from outside to inside the building. It is also useful for reducing (or even eleminating) echo sounds that may spoil any sound recordings at home or in studios.
Acoustic panels are the primary material used in sound proofing a room. There is also a new material known as green glue, it comes in a tube and is much cheaper to install.