Abstract
Head related transfer function (HRTF) is the main technique of binaural synthesis, which is used to reconstruct spatial sound image, and the HRTF data only can be obtained by measurement. A high resolution HRTF database contains too many HRTFs, the workload of measurement is too huge to be finished. As a solution, in order to calculate new HRTF by measured HRTFs, many researchers concentrate on the interpolation of HRTF. But, before interpolating, HRTFs should be aligned because there is time delay between different HRTFs. Some researchers try to implement aligning operation based on phase, but the method is not appropriate since the periodicity of phase. Another idea to align HRTFs is by detecting method, however, the time difference is too tiny to detect exactly. None of the methods can provide a good and stable performance. In this paper, we propose a new method to align HRTFs based on correlation. And the experiments show that the proposed aligning method improves the accuracy index SDR 18.5 dB for the most, furthermore, the proposed method could improve the accuracy for all positions.
The research was supported by National High Technology Research and Development Program of China (863 Program) (No. 2015AA016306); National Nature Science Foundation of China (No. 61231015); National Nature Science Foundation of China (No. 61471271).
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Wu, T., Hu, R., Wang, X., Gao, L., Ke, S. (2016). Head Related Transfer Function Interpolation Based on Aligning Operation. In: Chen, E., Gong, Y., Tie, Y. (eds) Advances in Multimedia Information Processing - PCM 2016. PCM 2016. Lecture Notes in Computer Science(), vol 9916. Springer, Cham. https://doi.org/10.1007/978-3-319-48890-5_41
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DOI: https://doi.org/10.1007/978-3-319-48890-5_41
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