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Impaired speech recognition Case study: Recognition of initial #x2018;r#x2019; consonant in rhotacism affected pronunciations

机译:语音识别案例研究障碍:识别初始‘ r’ Rhotacism辅音影响了发音

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The paper presents a study on one of the most common speech impairment in Romanian: the wrong pronunciation of the consonant “r”, called rhotacism. We propose a feature extraction method that can recognize rhotacism. The features extracted to characterize the interesting phonemes are the Mel-frequency cepstrum coefficients and their standard deviation over the signal duration. The final part of the paper presents a simple classification in correct or wrong pronounced of the resulting patterns based on the kNN algorithm and our feature extraction method. The system performance, expressed as accuracy in a classification experiment on a database containing correct and impaired pronunciations of the consonant “r”, is acceptable, validating the system to support the rhotacism diagnosis and therapy.
机译:本文提出了罗马尼亚最常见的语音障碍之一的研究:辅音&#x201c的错误发音; r”,称为rhotacism。 我们提出了一种能够识别出粗派的特征提取方法。 提取以表征有趣的音素的特征是熔融频率谱系数及其对信号持续时间的标准偏差。 本文的最后一部分基于KNN算法和我们的特征提取方法,在正确的或错误的Pronegce中提出了一个简单的分类。 系统性能,在包含正确和受损发音的数据库上的分类实验中的准确性,它是可接受的,验证系统支持语言诊断和治疗的验证。

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