dear everyone,
this evening i discovered how to use the gram50 program i had downloaded a month ago. i have to warn you, i wouldn't swear on my mother's grave that i did it right (she's not dead yet, i mean the one she'll probably have in the very distant future. call it a 'spec' oath). anyway, after the discussion of all that nasal, non-nasal, open velum with raised palate (i guess that would make it possible to sing well while making milk come out of your nose at the same time), i decided to test out the various approaches we'd been discussing on the gram50.
the samples i tested were all on 'ah' as in barf (boston pron.) followed by 'ay' as in schnee (one year of high school german pron.). one sample was recorded with classical singer breath managment, one with normal sound and 'what the hell is support?' breath managment and the last with a nasalization similar to when one says 'uh-huh' (nasalized).
these are the results i got. the numerical ranges indicate the presence of activity measured in hz.
classical support 'ah' 0-1240 gap 2230-3675 / 'ay' 0-3800 no gap
'ah' with 'as found' approach 0-1450 gap 2470-3565 / 'ay' 0-915 gap 1300-3630
nasal 'uh-huh' style 'ah' 0-1260 gap 2680-3630 / 'ay' was a little odd. the
attack was nearly solid from 0-3670 but then immediately went to 0-850 gap 1475-1690 gap 2315-2530 gap 2960-3675
from what little i understand of this type of analysis, it seems that the 'singer's formant' is present in all the examples as is the fundamental. the readout is similar to the types of readings i have seen in richard miller's books so i think i must have everything plugged in right. as i listen to the playbacks however, they become (with each change in technique) significantly quieter. isn't there also a power spectrum that plays a role in the analysis of the voice that has bearing on whether a voice is easily audible or not?
my apologies for the form my report has taken (it brings back memories of kindergarten) but, this is my first attempt at spectral analysis and i have to admit, i have no idea what the hell i'm doing.
happy monday, mike
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