Voice measurement
The speech sound can be recorded using an Android phone. It will give the frequency. An adult female typically falls between 165 and 255 Hz and an adult male between 85 and 180 Hz.
500 𝘏𝘻 = crying baby
300 𝘏𝘻 = crying toddler
250 𝘏𝘻 = pre-pubescent boy/ girl
125-137 Hz = male 18 years old
107 -146 = male.
Diagnosing puberphonia only by pitch measurement. Just hear their voice and diagnose. No other tests needed.
All treatment, including surgery on the vocal cords, speech therapy, laryngeal reshaping and other voice practice will result in redirecting phonation from larynx to pharynx, ie, vocal cords to uvula.
This is my observation in treating 1550 cases of puberphonia successfully.
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