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. 2007 May 24;104(23):9852–9857. doi: 10.1073/pnas.0703140104

Table 2.

Comparison of the prevalence of chromatic formant ratios in English and Mandarin based on the monologue analyses

Interval Percentage of chromatic intervals
E-m M-m E-f M-f
Unison 0.54 0.36 0.33 0.44
Octave 22.37 21.55 23.26 22.51
Fifth 16.78 16.93 17.76 20.66
Fourth 7.80 6.66 8.94 4.56
Maj third 11.95 13.20 11.53 18.36
Maj sixth 6.53 8.40 8.22 4.32
Min third 3.15 2.29 1.70 0.60
Min sixth 2.86 1.94 2.87 1.34
Tritone 2.43 2.09 1.78 0.89
Min seventh 10.34 9.26 11.18 14.39
Maj second 7.62 9.08 9.07 9.77
Maj seventh 4.84 4.86 2.54 1.78
Min second 3.18 3.63 1.07 0.78

E, English; M, Mandarin; m, male; f, female; Maj, major; Min, minor.