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My overall point is that absorption will obviously diminish the reflection in a frequency selective manner due to the frequency variant absorption coefficients of the material used. My test clearly shows no reduction of the 125Hz third octave band at the reflection point. Perhaps I should have tested using a sine wave?
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Isn't the point of this method the elimination of a specific frequency cancellation? It seems an untreated test to determine the cancellation caused by floor bounce using a swept sine, then testing the same swept sine with treatment for the effect on that cancellation.