6 /Researches in LinguisticsAn Acoustic Study of Childrenâs Phoneme Substitution Errors A. Karimi Moghaddam Araniïª University of Birjand J. Faroughi Hendevalanïªïª University of Birjand J. Sadriïªïªïª University of Birjand Abstract This paper deals with the phoneme substitution errors in childrenâs speech. The errors are felt by an adult listener as the replacement of one or more component sounds of a word by a different sound or sounds. The acoustic features of substitutive phonemes articulated by 19 girls and 18 boys of 2 to 7 years old within an acoustic space were analyzed and categorized using Praat spectrograph. The analysis of spectrographs and waveforms, the comparison of digital voice diagrams, and the calculation of percentage similarity of normalized Mel frequency Cepstral coefficients show that there is no reliable evidence for the concept of a substitution error in young childrenâs speech. In fact, some phonemic characteristics are neutralized in young childrenâs speech leading to audio errors in adult listenersâ cognition. The results are useful for providing an important metric of the childâs phonological development and for studying language learning theories as well as for curing childrenâs speech disorders. Key words: Articulatory error, Phoneme substitution error, Acoustic features, Child speech, Neutralization
Sadri, J. , Faroughi Hendevalan, J. and Karimi Moghaddam Arani, A. (2013). An Acoustic Study of Childrenâs Phoneme Substitution Errors. Journal of Researches in Linguistics, 5(8), 83-100.
MLA
Sadri, J. , , Faroughi Hendevalan, J. , and Karimi Moghaddam Arani, A. . "An Acoustic Study of Childrenâs Phoneme Substitution Errors", Journal of Researches in Linguistics, 5, 8, 2013, 83-100.
HARVARD
Sadri, J., Faroughi Hendevalan, J., Karimi Moghaddam Arani, A. (2013). 'An Acoustic Study of Childrenâs Phoneme Substitution Errors', Journal of Researches in Linguistics, 5(8), pp. 83-100.
CHICAGO
J. Sadri , J. Faroughi Hendevalan and A. Karimi Moghaddam Arani, "An Acoustic Study of Childrenâs Phoneme Substitution Errors," Journal of Researches in Linguistics, 5 8 (2013): 83-100,
VANCOUVER
Sadri, J., Faroughi Hendevalan, J., Karimi Moghaddam Arani, A. An Acoustic Study of Childrenâs Phoneme Substitution Errors. Journal of Researches in Linguistics, 2013; 5(8): 83-100.