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首页> 外文期刊>The Journal of the Acoustical Society of America >Speech-on-speech masking with variable access to the linguistic content of the masker speech
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Speech-on-speech masking with variable access to the linguistic content of the masker speech

机译：语音对语音的掩蔽，可以访问掩蔽者语音的语言内容

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摘要

It has been reported that listeners can benefit from a release in masking when the masker speech is spoken in a language that differs from the target speech compared to when the target and masker speech are spoken in the same language [Freyman, R. L. (1999). J. Acoust. Soc. Am. 106, 3578-3588; Van Engen, K., and Bradlow, A. (2007), J. Acoust. Soc. Am. 121, 519-526]. It is unclear whether listeners benefit from this release in masking due to the lack of linguistic interference of the masker speech, from acoustic and phonetic differences between the target and masker languages, or a combination of these differences. In the following series of experiments, listeners' sentence recognition was evaluated using speech and noise maskers that varied in the amount of linguistic content, including native-English, Mandarin-accented English, and Mandarin speech. Results from three experiments indicated that the majority of differences observed between the linguistic maskers could be explained by spectral differences between the masker conditions. However, when the recognition task increased in difficulty, i.e., at a more challenging signal-to-noise ratio, a greater decrease in performance was observed for the maskers with more linguistically relevant information than what could be explained by spectral differences alone.
机译：据报道，与以相同语言说出目标和掩蔽者语音时相比，用不同于目标语音说出掩蔽语言时，听众可以受益于掩蔽的释放[Freyman，R.L。（1999）。 J. Acoust。 Soc。上午。 106，3578-3588; Van Engen，K.和Bradlow，A.（2007），J. Acoust。 Soc。上午。 121，519-526]。目前尚不清楚听众是否由于掩蔽语音缺乏语言干扰，目标语言和掩蔽语言之间的声学​​和语音差异，或这些差异的组合而受益于掩蔽版本。在以下一系列实验中，使用语音和噪声掩蔽器评估了听众的句子识别能力，这些掩蔽器的语言内容包括本地英语，普通话英语和普通话。三个实验的结果表明，语言掩蔽者之间观察到的大多数差异可以用掩蔽条件之间的频谱差异来解释。但是，当识别任务的难度增加时，即在更具挑战性的信噪比下，对于具有更多语言相关信息的掩蔽器，观察到的性能下降比仅由频谱差异所能解释的更大。

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