It is impossible to imagine a world without sound. It is the first thing that our senses experience when we wake up. Whether it’s birds chirping or your alarm’s beeping or someone’s shouting for getting late. However, it is an essential thing in our life. But sometimes we are getting irritated by the noise pollution. We want to live in a place with zero noises. Also when we are working on something that needs complete background silence we strive to block the sounds as much as we can. In case of some specific sound disturbance, the simplest option is to stop the sound from its source, but sometimes you can’t have that option. For instance, having a careless neighbour who plays TV at full volume, or you are residing near a construction site. And maybe you are practising music or shooting a video in your room and don’t want to disturb the people around you. At this point, you probably thought to make your room soundproof. Let’s take a closer look at what it is and how it works? Also, learn about materials from sound that can't travel through. This topic often appears in the final exams, we prefer you to prepare it best from the federal board solved past papers. The science of sound waves Sound has some specific characteristics that allow it to pass from different mediums such as solids, liquids and gases. However, it cannot travel through a vacuum. Sound is produced by the vibration of particles in the medium but in the vacuum space, there are zero or less number of particles to vibrate, so sound cannot travel through this medium. The speed of sound in solids is 15 times faster than in gases. Engineering while building tunnels, bang on the metal walls to communicate with each other because it is the quickest way. Soundproofing From the past several centuries, Scientists have experimented with different materials for the soundproofing of the room. The purpose of soundproofing is to reduce or remove any unwanted noise. Stopping the light waves is easier as compared to sound waves because sound travel in almost all mediums. It is well transmitted through the solid glass, wood, concrete, or stone and makes the air vibrate again on the other side. That's the process of incoming sounds. Loosely fitted windows and doors having spaces helps the air get in. If air can get in, sound can get in too so installing good seals, gaskets, and caulks around doors and windows are very helpful in soundproofing. Best Materials for sound reduction There are different types of materials available for soundproofing. It depends on your budget and the type of noise reduction you want.
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