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首页> 外文会议>10th Western Pacific Acoustics Conference. >DOMINANCE OF HEAD-MOTION-COUPLED DIRECTIONAL CUES OVER OTHER CUES DURING ACTIVE LOCALIZATION USING A BINAURAL HEARING INSTRUMENT
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DOMINANCE OF HEAD-MOTION-COUPLED DIRECTIONAL CUES OVER OTHER CUES DURING ACTIVE LOCALIZATION USING A BINAURAL HEARING INSTRUMENT

机译：在使用双耳听觉仪器进行主动定位过程中，头部运动耦合的方向性提示在其他提示中的优势

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摘要

It is well established that the changes in binaural signals that occur during active localization normally aid listeners in resolving environmental sound sources in terms of their frontward or rearward incidence. However, the relative importance of head-motioncoupled changes in simple time-based and level-based binaural cues has not been so well examined during active localization. In order to investigate the potential dominance of head-motion-coupled lateralization cues over other cues, a series of experiments were initiated in which active localization was attempted by listeners fitted with binaural hearing instruments that allowed for the signals reaching their ears to be reversed. The binaural hearing instrument was employed to implement a classic pseudophonic condition in which the sound arriving at the entrance to the left ear canal was delivered via an acoustically isolated earphone inserted into the right ear, and vice versa. Under these conditions, it is not surprising to find that the listener's world is reversed left to right. Another consequence that might seem rather surprising, but is nonetheless easily explained, is that the listener's world also is reversed front for back, and up for down. These results demonstrate the dominance of head-motion-coupled lateralization cues over other cues during active localization, such as the directional cues associated with the filtering effects of the pinna, which are widely regarded as providing important cues for resolving frontward from rearward source incidence angles.
机译：众所周知，在主动定位过程中双耳信号的变化通常可以帮助听众分辨前方或后方入射的环境声源。但是，在主动定位过程中，尚未简单地研究基于时间和基于水平的简单双耳提示中头部运动耦合变化的相对重要性。为了研究与头提示耦合的侧向化提示在其他提示上的潜在优势，发起了一系列实验，其中，装有双耳助听器的听众尝试进行主动定位，以使到达耳朵的信号反向。使用双耳助听器来实现经典的伪音条件，其中到达左耳道入口的声音是通过插入右耳的隔音耳机传递的，反之亦然。在这些条件下，发现收听者的世界从左到右颠倒并不奇怪。另一个看似令人惊讶，但仍易于解释的结果是，收听者的世界也前后颠倒，上下颠倒。这些结果表明，在主动定位过程中，与头部运动耦合的横向化提示比其他提示具有优势，例如与耳廓滤波效果相关的方向提示，被广泛认为为从后向源入射角解析向前提供了重要提示。 。

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