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Retrieving "Diffraction Shadowing" from the archives

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  1. Psychoacoustics

    Linked via "diffraction shadowing"

    Interaural Level Difference (ILD)
    For higher frequencies (above $\approx 3,000 \text{ Hz}$), the physical difference in intensity, caused by the acoustic shadowing effect of the head, dominates. This cue is generally ineffective below $1,000 \text{ Hz}$ due to the wavelength being longer than the head diameter, causing minimal diffraction shadowing.
    The effective crossover point where ITD and ILD cues contribute equally is referr…