>michael, > > how would you disinguish 'twang', 'ring' and 'squillo' in terms of >spectral analysis (beware the new convert)? > >mike
Twang: not sure what this means. In spectral analysis of Parkinson's patients who have velar incompetence secondary to advancing neurological disease, they exhibit something that Kent & Read (The acoustic analysis of speech, 1992, Singular Publishing) refer to as the nasal murmur. The formants are all compressed into the lower frequencies because of the anti nodal or dampening effect of the nasal cavity. Once you are keen to this sound, you never confuse it with anything else. Paradoxically the presence of nasalence actually filters out the high partials as revealed in spectral analysis.
Ring: I have not had the opportunity to complete spectral analysis of this acoustic feature. I can say this--I've heard bass voices that have plenty of ring (that I have associated with the he singer's formant) but not much squillo.
Squillo: Again, I have not been able to complete spectral analysis of this. I am guessing that it would be characterized by greater power in the upper partials.
I defer to anyone who has had the opportunity to look into this. Perhaps Buzzcen has some thoughts. It would be nice to have a consensus on the spectral definition of an auditory phenomenon.
Michael E. Chesebro, M.A.,C.C.C., S.L.P. Voice & Fax: 562/983-9965 Wireless: 562/884-2122
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