(Video) Room Acoustics: First Reflection Points

Ok, I know room acoustics work, and I have already optimized my listening position…but what do I treat first?

The next step after getting your listening position in the best configuration to your room’s shape and size is going to be to treat your first reflection points or where the sound from the speaker first comes into contact with a reflective surface and reaches your ear. This is commonly known as comb filtering or smearing, because your brain “melds” the two sounds together, creating inaccuracies in what you hear. In this video, we describe the best way to find the first reflection points using the “mirror trick” with the help of a friend, a mirror, a marker, and 2′ x 4′ acoustic panels.

This video shows you where to place acoustic panels for improving the sound in any room or environment once you have found the optimal listening position. This is a critical step in treating your room acoustically and is typically followed by treating the ceiling and corners, depending on what the room may need. The reason to treat your first reflection points is because this is where the sound from the speaker first comes into contact with a reflective surface and reaches your ear and creates comb filtering or smearing, because your brain “melds” the two sounds together, creating inaccuracies in what you hear. In this video, we describe the best way to find the first reflection points using the “mirror trick” with the help of a friend, a mirror, a marker, and 2′ x 4′ acoustic panels.

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