Effects of differences in timbre on sequential grouping
Effects of differences in timbre on sequential grouping
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DOI：
10.3758/bf03212092
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发表时间：
2000-07-01
期刊：
影响因子：
--
通讯作者：
Roberts, B
中科院分区：
文献类型：
--
作者：
Cusack, R;Roberts, B
在一个序列中，声音的音色差异会影响它们的感知组织。Hartmann和约翰逊（1991）通过性能测量得出结论，可以主要通过声音通过不同外围通道的程度来预测流。然而，Dannenbring和Bregman（1976）的评级任务的结果表明，相同频谱区域（通过相同的外围通道）的声音可以分配给不同的流。在实验1中，人们发现，使用交错旋律任务，目标声音可以选择干扰在同一频谱区域更容易当他们在音色不同。这一发现可能是由于原始流隔离或模式驱动的选择，但不是从外围通道。在实验2中，节奏歧视的任务，要求的声音进行整合，以获得良好的性能。音色的差异损害了性能，表明原始流分离的发生。
Differences in the timbre of sounds in a sequence can affect their perceptual organization. Using a performance measure, Hartmann and Johnson (1991) concluded that streaming could be predicted primarily by the extent to which sounds were passed by different peripheral channels. However, results from a rating task by Dannenbring and Bregman (1976) suggested that sounds in the same spectral region (passed by the same peripheral channels) can be allocated to different streams. In Experiment 1, it was found, using an interleaved melody task, that target sounds could be selected from distracters in the same spectral region more easily when they differed in timbre. This finding might result from primitive stream segregation or schema-driven selection, but not from peripheral channeling. In Experiment 2, a rhythm discrimination task was used, requiring the sounds to be integrated for good performance. Differences in timbre impaired performance, indicating the occurrence of primitive stream segregation.