Remote Masking and the Binaural Masking-Level Difference
Remote Masking and the Binaural Masking-Level Difference
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DOI：
10.1007/978-3-540-73009-5_49
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发表时间：
2007
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影响因子：
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通讯作者：
G. Bruce Henning;I. Yasin;C. Witton
中科院分区：
文献类型：
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作者：
G. Bruce Henning;I. Yasin;C. Witton
被称为双耳掩蔽电平差 (BMLD) 的检测性能改进通常被测量为信号电平之间的差异，该信号电平对应于当信号和掩蔽噪声都具有零耳间相位差 (NoSo) 以及当噪声同相但信号具有 180 耳间相位差 (NoS π) 时获得的正确率 (Colburn 和 Durlach 1978)。 BMLD 的主要模型之一是 Durlach 的均衡和取消模型（Durlach 1963）。难以适应该模型的一个结果是，当信号的频率远离窄带掩蔽噪声时，远程掩蔽中的 BMLD 几乎消失（Zwicker 和 Henning，1984）。 BMLD 的降低不是由掩蔽减少引起的，掩蔽在 BMLD 变得非常小的信号频率下仍然很大。图 1 [来自 Zwicker 和 Henning (1984) 的图 5] 说明了这个尴尬的结果。黑色（NoS
The improvement in detection performance known as the binaural masking-level difference (BMLD) is usually measured as the difference between signal levels that correspond to 75% correct obtained when both signal and masking noise have zero interaural phase difference (NoSo) and when the noise is in-phase but the signal has a 180 interaural phase difference (NoS π)(Colburn and Durlach 1978). One of the principal models for the BMLD is Durlach’s equalization and cancellation model (Durlach 1963). One result, difficult to accommodate within the context of this model, is the near disappearance of the BMLD in remote masking when the signals have a frequency remote from an narrowband masking noise (Zwicker and Henning 1984). The decrease in the BMLD is not caused by reduced masking, which remains substantial at signal frequencies where the BMLD has become very small. Figure 1 [from Fig. 5 of Zwicker and Henning (1984)] illustrates the awkward result. The black (NoS