< 3rd Meeting in Paris
30.01.2014 18:07 Age: 9 yrs

5th News in brief

Occluded ear simulators: Determination of the dimensions

Following  the  design  approach,  the  present step  consists  in  matching  the  acoustic  input impedance  to  that  of  average  real  ears  for each of the five age groups. This condition is satisfied by imposing the appropriate acoustic impedance  near  the  microphone  location. This  impedance  is reproduced  by  means  of  a network  of  Helmholtz  resonators,  each resonator being composed of an annular cavity coupled with holes or with an annular slit...

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