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Deep Neural Network Based HRTF Personalization Using Anthropometric Measurements

机译:使用人体测量学的基于深度神经网络的HRTF个性化

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摘要

A head-related transfer function (HRTF) is a very simple and powerful tool for producing spatial sound by filtering monaural sound. It represents the effects of the head, body, and pinna as well as the pathway from a given source position to a listener's ears. Unfortunately, while the characteristics of HRTF differ slightly from person to person, it is usual to use the HRIR that is averaged over all the subjects. In addition, it is difficult to measure individual HRTFs for all horizontal and vertical directions. Thus, this paper proposes a deep neural network (DNN)-based HRTF personalization method using anthropometric measurements. To this end. the CIPIC HRTF database, which is a public domain database of HRTF measurements, is analyzed to generate a DNN model for HRTF personalization. The input features for the DNN are taken as the anthropometric measurements, including the head, torso, and pinna information. Additionally, the output labels are taken as the head-related impulse response (HRIR) samples of a left ear. The performance of the proposed method is evaluated by computing the root-mean-square error (RMSE) and log-spectral distortion (LSD) between the referenced HRIR and the estimated one by the proposed method. Consequently, it is shown that the RMSE and LSD for the estimated HRIR are smaller than those of the HRIR averaged over all the subjects from the CIPIC HRTF database.
机译:头部相关传递函数(HRTF)是一种非常简单而强大的工具,通过过滤单声道声音来产生空间声音。它代表了头部,主体和PinNA的影响以及从给定的源位置到听众的耳朵的途径。不幸的是,虽然HRTF的特征略有不同于人的人,但通常使用在所有受试者身上平均的HRIR。另外,难以为所有水平和垂直方向测量单独的HRTF。因此,本文提出了一种使用人类测量测量的基于HRTF个性化方法的深神经网络(DNN)。为此。 CIPIC HRTF数据库(即HRTF测量的公共域数据库)被分析,以为HRTF个性化生成DNN模型。 DNN的输入特征被视为人类测量测量,包括头部,躯干和PinNA信息。另外,输出标签被用作左耳的相关脉冲响应(HRIR)样本。通过计算参考的HRIR和估计的方法之间的根均方误差(RMSE)和记录光谱失真(LSD)来评估所提出的方法的性能。因此,示出了估计的HRIR的RMSE和LSD小于来自CIPIC HRTF数据库的所有受试者的HRIR的RMSE和LSD。

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