This technique smoothes over many of the rough edges of coherent summation at single frequencies, and yields good agreement with measured results (JBL, 2000).

The phase can be defined in terms of the loudspeaker-to-receiver path length, r m.. = 2 n trunc iJ =

where the function "trunc" indicates a truncation of all numbers appearing to the left of the decimal point. Note that any time delays are included in the overall distance in Eq. 18.64.

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