EP 2 000 002 B1 HRTF_1(8,,0,, f) HRTF_r( 84,04, f) HRTF_1(85,@5, f) - a HRTF_r(0,,9>, f) | yr . HRTF_r(8,9, f) ol ER HRTF_1(ON, On: f} HRTF_r{ Op, f} [sy HD SD Cs FIG. 1a (ART ANTERIEUR) FIG. 1b (ART ANTERIEUR) 19