echo absorber
In a sense, reflective echo barrier is echo creator for the area near noise source. Without the barrier, the direct sound is going far away. With the reflective barrier, the direct sound is reflected back and become echo outdoor.
In a sense, reflective echo barrier is echo creator for the area near noise source. Without the barrier, the direct sound is going far away. With the reflective barrier, the direct sound is reflected back and become echo outdoor.
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