Skip to main content
. 2014 Apr 22;9(4):e95587. doi: 10.1371/journal.pone.0095587

Figure 1. Spectrograms of Mandarin speech stimuli used in the study.

Figure 1

(A) The consonant differ only in the time at which maximum amplitude is reached during the initial frication portion (marked with red circles); (B) The lexical tone differ only in the pitch contour as reflected by the turning point of the fundamental frequency (F0) (blue lines and marked with red arrows).