The effect of interleaved filters on normal hearing listeners' perception of binaural cues.
The effect of interleaved filters on normal hearing listeners' perception of binaural cues.
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DOI：
10.1097/aud.0000000000000060
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发表时间：
2014-11
期刊：
影响因子：
3.7
通讯作者：
Soli SD
中科院分区：
文献类型：
--
作者：
Aronoff JM;Amano-Kusumoto A;Itoh M;Soli SD
听力受损的人在嘈杂的环境中经常有困难。交错滤波器，将相邻频率区域的信号发送到对耳，可能对这些个体有利，但也可能降低空间线索的好处。本研究探讨了交错滤波器对空间线索使用的影响。在使用和不使用交错滤波器的情况下，对听力正常受试者的声音定位能力进行了测试。交错过滤时，参与者的定位表现较差，但优于随机过滤。高频区域的交错主要影响耳际水平差信号，低频区域的交错主要影响耳际时间差信号。交错滤波器减少但没有消除空间线索的好处。这种影响取决于它们所使用的频率区域，这表明在频率区域的子集中使用交错滤波器有可能有选择地保留不同的双耳线索。
Hearing impaired individuals often have difficulty in noisy environments. Interleaved filters, where signals from neighboring frequency regions are sent to opposite ears, may benefit those individuals but may also reduce the benefits of spatial cues. This study investigated the effect of interleaved filters on the use of spatial cues. Normal hearing subjects’ sound localization abilities were tested with and without interleaved filters. Participants’ localization performance was worse with interleaved filters but better than chance. Interleaving in high-frequency regions primarily affected interaural level difference cues and interleaving in low-frequency regions primarily affected interaural time difference cues. Interleaved filters reduced but did not eliminate the benefits of spatial cues. The impact was dependent on the frequency region they were used in, indicating that it may be possible to use interleaved filters in a subset of frequency regions to selectively preserve different binaural cues.