First Reflection Calculators

Early 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. 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. This alters the tonal balance and confuses vocals and dialog.

Calculators

First Floor Reflection       First Sidewall Reflection and Panel Placement

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