May I Speak Freely? The Difficulty in Vocal Identity Processing Across Free and Scripted Speech

May I Speak Freely? The Difficulty in Vocal Identity Processing Across Free and Scripted Speech
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我可以自由发言吗?

DOI:
10.1007/s10919-020-00348-w
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发表时间:
2020
影响因子:
2.1
通讯作者:
Stevenage S
Stevenage S
中科院分区:
心理学2区
文献类型:
--
作者:
Stevenage S

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在人脸识别和语音识别领域,越来越多的文献表明,识别个体的能力,尽管从一个实例到下一个实例的变化是一个相当大的挑战。本文报道了一个实验中的声音域设计,以确定是否在纯粹的风格的讲话可能会导致一个可衡量的困难时,试图区分扬声器的变化。参与者完成了一个发言人的歧视任务,对语音剪辑,代表自由言论或脚本的讲话片段。结果表明,说话人的歧视是显着更好的时候,演讲风格没有改变相比,当它改变了,是显着更好地从脚本比自由演讲片段。这些结果支持新兴的证据表明,身份内的变异性是一个挑战,这样一个温和的言语风格的变化的法医学意义进行了讨论。
In the fields of face recognition and voice recognition, a growing literature now suggests that the ability to recognize an individual despite changes from one instance to the next is a considerable challenge. The present paper reports on one experiment in the voice domain designed to determine whether a change in the mere style of speech may result in a measurable difficulty when trying to discriminate between speakers. Participants completed a speaker discrimination task to pairs of speech clips, which represented either free speech or scripted speech segments. The results suggested that speaker discrimination was significantly better when the style of speech did not change compared to when it did change, and was significantly better from scripted than from free speech segments. These results support the emergent body of evidence suggesting that within-identity variability is a challenge, and the forensic implications of such a mild change in speech style are discussed.
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发表时间: 2001
期刊:
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