Nasal Flow of/a/,/i/,/?/and/n/,/?/Coarticulation for Male Adults / 听力学及言语疾病杂志

ABSTRACT

Objective To investigate acoustic characteristics of VC coarticulation for males in Mandarin . Methods This study compared nasal flow of 32 male adults'production which include /an/,/in/,/?n/,/a?/,/i?/,/??/,/a/,/i/,/?/.Results Whether /a /,/i/or /?/,the nasal flow of vowels before /n/was greater than the na-sal flow of vowels before /?/was greater than the nasal flow of vowels themselves .When produced solely ,the na-sal flow of /i/was greater than the nasal flow of /a/,/?/ .Before nasal consonants /n/,/?/ ,the nasal flow of /i/was greater than the nasal flow of /?/which was greater than the nasal flow of /a/.Conclusion Vowels before nasal consonants can be nasalized .The nasalization of /n/to vowel is greater than that of /?/to vowel .When nasals is produced around ,the nasalization of vowel depends on the height of the tongue .The nasal flow of vowels can be used as an effective measure and monitor the indicators before and after nasal coarticulatin .