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Calculation of Individualized Near-Field Head-Related Transfer Function Database Using Boundary Element Method

Measurement is a common method to obtain the far-field HRTFs. Due to the difficulties in measurement, near-field HRTF databases for an artificial head are rare and an individualized database for human subjects is now unavailable. The present work adopts a laser 3-D scanner to acquire geometrical surfaces of human subjects and then uses boundary element methods to calculate the near-field HRTFs. At last, an individualized near-field HRTF database with 56 human subjects is established. To evaluate the accuracy of the database, the HRTFs for KEMAR are also calculated and compared to the measured ones.

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