$diffraction sound$

#DIFFRACTION SOUND PROFESSIONAL#

Imagine an ideal point source hemispherical radiator mounted on the exact center of the end of a long cylindrical solid. Once the effect is understood in the time domain, it is easily translated to the frequency domain by using the Fourier transform.

$diffraction sound$

In my opinion, the key to developing an intuitive or quantitative understanding of cabinet edge diffraction is by studying it primarily the time domain and resorting to the frequency domain only when absolutely necessary. Are two baffles equivalent if they have the same area but vastly different dimensions, e.g.How does the wave know how large the baffle is?.While what is said is mostly correct, it does make one wonder: The effect is most pronounced on-axis, as the baffle causes a beaming phenomenon like a -automobile headlight reflector.' This creates a response ‘step’ of about 6 dB, the frequency of the step being dependent upon the baffle area. 'Effectively, what is happening is the measurement circumstance is changing from free-field (4-pi) to half-space (2-pi) as the frequency increases and the wavelength decreases to something approaching the overall area of the baffle. Take the following quote taken from The LoudSpeaker Design Cookbook, 4 th edition, written by Vance Dickason: I believe the root of the confusion is the natural tendency to try to explain and understand cabinet edge diffraction from the frequency domain point of view.

#DIFFRACTION SOUND PROFESSIONAL#

The phenomenon of cabinet edge diffraction is often poorly understood by amateur and professional loudspeaker system designers alike.

$diffraction sound$

Diffraction sound