A dynamic Head-Related Transfer Function (HRTF) measurement method using a dual-loudspeaker array is presented, which reduces measuring demands and increases the efficiency. Firstly, the dual-loudspeaker array emits uncorrelated signals, while head size and head motion results are obtained through short-time time-delay estimation. Secondly, under the approximation of linear time-invariant (LTI) within the testing time, multi-point continuous HRTF measurement is accomplished. Compared with FASTRAK head tracking system, the experimental results confirm the validity of the proposed method.
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