Wood Sounds

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Does wood absorb or reflect sound? By itself, wood reflects better than it absorbs. However, wood with holes through it has much better sound absorption. Perforated wood with an airspace behind it will effectively dampen sounds in the medium to high range and absorbing bass sounds.

Wood reflects sound better than it absorbs. Its porous nature, however, does absorb some sound. Sound waves are different lengths for different frequencies. They travel through the air until they encounter something that disrupts their frequency of movement.

Wood isn't a dense enough material to absorb much sound as is. However, wood with holes, grooves or slots cut into it becomes a perforated resonator that does reduce sound. Enhancing the porous nature of wood improves its sound absorption ability. The panels work by fragmenting sound waves..

The panels work by fragmenting soundwaves. The holes or grooves let air through the wood but disrupt the sound wave passage through the wood, creating better sound resonance. Higher frequency waves are reflected and lower frequencies absorbed.