As we know, Cantonese is another tone language which has 9 tones (the last three tones share the same pitch with first, third and sixth tone respectively).

you can listen to the sounds via the following website http://www.fyan8.com/yuepin.htm.

We can also use Praat to show the six tones in Cantonese.

Figure 1 Six Cantonese tones (Excerpt from http://bbs.cantonese.asia/thread-15985-1-1.html)

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