What are the measures that can be taken to reduce echo?
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the emergence of an echo depends on two things: the amplitude of the sound and the distance from a reflecting surface. To reduce echo, the following measures can be taken (assuming that this is going to come in handy for building a studio of some sort):
1)Make the walls porous: you can add an extra layer, of say, cardboard to the walls and drill little holes in them so that when the sound hits these walls, most of it goes in the space between this layer and the actual wall and very little of it is reflected back to you.
2)Keep the room small: Theoretically, less than 17 m in all dimensions(length and breadth. no one wants a 17 m high ceiling!!). Sound waves require a minimum of 17m of distance in any direction to produce an echo(you can confirm this by doing the math). So by making the room smaller than that you are basically cutting off one of the means of repeated reflection of sound(that's what echo is).
3)Use voice dampners:As i mentioned earlier, amplitude (or volume if you will) of a sound wave decides if it echos back at you. So by either speaking softly or by using voiced dampners you can prevent this from happening.
That's all i can think of you can do to reduce echoing in a room. Hope the theory part with every point was helpful. A thanks would be really nice(if you find this helpful, obviously)
1)Make the walls porous: you can add an extra layer, of say, cardboard to the walls and drill little holes in them so that when the sound hits these walls, most of it goes in the space between this layer and the actual wall and very little of it is reflected back to you.
2)Keep the room small: Theoretically, less than 17 m in all dimensions(length and breadth. no one wants a 17 m high ceiling!!). Sound waves require a minimum of 17m of distance in any direction to produce an echo(you can confirm this by doing the math). So by making the room smaller than that you are basically cutting off one of the means of repeated reflection of sound(that's what echo is).
3)Use voice dampners:As i mentioned earlier, amplitude (or volume if you will) of a sound wave decides if it echos back at you. So by either speaking softly or by using voiced dampners you can prevent this from happening.
That's all i can think of you can do to reduce echoing in a room. Hope the theory part with every point was helpful. A thanks would be really nice(if you find this helpful, obviously)
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Answer:
1)Make the walls porous: you can add an extra layer, of say, cardboard to the walls and drill little holes in them so that when the sound hits these walls, most of it goes in the space between this layer and the actual wall and very little of it is reflected back to you.
Explanation:
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