Respuesta :

I think they decrease echo and reduce noise, they do this by either absorbing vibrations or by scattering the sound so that echoes arrive at different times rather than reverberating as a standing wave. An echo is a reflection of a sound that arrives at the listener with a delay after the direct sound. The delay is usually proportional to the distance of the reflecting surface from the source and the listener.

Odd-shaped ceilings, decorative panels, draperies, and glass windows reduce echoes and noises.

What is an echo?

An echo is a sound that is caused because of the reflection of sound.

How can echoes be avoided?

In order to avoid echoes, we must avoid creating surfaces where the sound waves can be focused.

Now, as we know the reason why echoes are formed and how can they be avoided, therefore,

Making odd-shaped ceilings and decorative panels reduces the surfaces where the sound waves can be focused. While putting draperies and glass windows will absorb the sounds, As glass absorbs the sound waves and convert the energy into vibration energy.

Hence, odd-shaped ceilings, decorative panels, draperies, and glass windows reduce echoes and noises.

Learn more about Echo:

https://brainly.com/question/9028662

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