I have just been to the Voice Symposium conference in Salzburg, where I got the new book Resonance in Singing
by Donald Miller, the author of the program VoceVista
The book is about how to use his vocal analysis software to study and learn resonance strategies to achieve an optimal sound (mainly from a classical singers point of view). In our terminology, it is about how to adjust the vocal tract and the mouth such that the important harmonics are optimally amplified (something overtone singers take to the extreme).
Donald also says that LPC (linear predictive coding, a method for finding formants) is of limited usefulness for analyzing singing, because it only works for very low frequencies and is therefore more for speech.
I'll post a full review here once I have finished the entire book and have done the exercises. But I can already say that it is highly recommended for anyone who wants to learn more about vocal analysis software.
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