... five Mandarinvowels [a], [i](yi), [u](wu), [e], and [o](wo) with four tones: the flat tone (tone 1), the rising tone (tone 2), the falling and rising tone (tone 3), and the falling tone (tone ... MFCCseparatelyforeverytone(1,2,3,4)andthescoreacrossalltones (The Fisher score across all tones is not equal to the average scoreover the four tones. Generally this score is smaller than the averagevalue).12 ... there are relatively fast changes of pitch whichare usual and informative. In Mandarin, there are fourbasic lexical tones and a neutral tone. The number of tonalsyllables is about 1,300, and...