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Musical piece selection for discomfort reduction of dental treatment sound based on auditory masking in time and frequency domains

机译:基于时域和频域的听觉掩盖来减少牙科治疗音的不适感的音乐作品选择

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摘要

In a dental treatment, doctors and patients often feel strong discomfort feeling by hearing dental treatment sounds. It is caused by spectral peaks in a higher frequency. For reducing discomfort feeling of spectral peaks, we have previously proposed the discomfort reduction method that can mask spectral peaks on basis of auditory masking in the frequency domain. Auditory masking is a phenomenon that a listener is difficult to perceive a pure tone of the specific frequency by a band-limited noise with the critical band of that. However, this method has difficulty in tracing temporal fluctuation of spectral peaks. Here, we focus on musical pieces that have variation of temporally changing in spectral characteristics. In this paper, we therefore propose the discomfort reduction method based on combination of musical pieces and auditory masking. In addition, we investigate the suitable musical pieces for reducing discomfort of dental treatment sounds. As a result of subjective evaluation experiments, we confirmed the effectiveness of the proposed method.
机译:在牙科治疗中,医生和患者经常会听到牙科治疗的声音而感到强烈的不适感。它是由较高频率的频谱峰值引起的。为了减少频谱峰值的不适感,我们先前已经提出了可以在频域中基于听觉掩蔽来掩蔽频谱峰值的减少不适的方法。听觉掩蔽是一种现象,即听者很难通过具有临界频带的频带限制噪声来感知特定频率的纯音。但是,该方法难以追踪光谱峰值的时间波动。在这里,我们将重点放在频谱特征随时间变化的音乐作品上。因此,在本文中,我们提出了一种基于音乐作品和听觉掩蔽相结合的不适感减轻方法。此外,我们研究了合适的音乐作品,以减少牙科治疗音的不适感。作为主观评估实验的结果,我们证实了该方法的有效性。

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