![]() ![]() A listener that is much closer to one wall than another is likely to experience a bloated sound stage on the near-wall side. The other issue with respect to early reflection points is the importance of room symmetry in terms of both shape and composition. The result is the listener not being able to accurately hear what’s coming out of the speakers. Furthermore, this happens at multiple frequencies as they exit the loudspeakers and bounce along multiple planes off multiple surfaces of varying compositions and all arrive at the ears at different times and with different intensities. The direct sound then combines with the reflected sound either constructively or destructively to exaggerate or de-emphasize particular frequencies (comb filtering). Sound reflects not just off of the walls to the left and right, but off the floor, the ceiling and everything in-between. This alters the tonal balance and confuses vocals and dialog. They are called early or first reflections because listening tests have shown that when multiple reflections are received within 20 milliseconds of the direct sound, they are perceived as part of the original. How to find first reflection pointsĮarly reflections are signals that have bounced off the walls, ceiling and floors and arrive at our listening position later in time, mixing with the direct signal.
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