Where are the consonants? Silbo sounds as if deprived of consonants. Please look at how they run relative to the pitch contour of Silbo utterances. Normally, you can see a couple of them as more or less horizontal strips in the spectrogram. Formants (formant frequencies) are the frequencies of high energy in the signal. How is the spectrum different from regular speech? Record a sample of you regular speech and open in another window.įrom the menu in the window, choose. Try with the pitch range from 300Hz to 1000Hz and, according to what you see, narrow it down, move or extend. To do so, open from the menu in the window. In Praat, you may have to adjust the pitch frequency range.
Open it with Praat (in window) or in WaveSurfer (in mode). But these are only typical values and, when setting such parameters, it is highly recommended to listen to a voice first.įor whistling, pitch frequency is normally relatively high. One may assume that the pitch frequency for male voices usually fits between 75Hz and 150Hz, for females you may expect a range from 150Hz to 500Hz, and for children probably from 200Hz to 600Hz. In literature, you may find various data on “typical pitch ranges”. Here you can listen to and learn some basic Silbo:ĭownload a sample of Silbo conversation from: Silbo Gomero is a very peculiar language as it belongs to so-called “whistled languages”.
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