User`s manual

Table Of Contents
STIr(male)=0.490 rated Fair
ALcons=12.0%
STIr(female)=0.487 rated Fair
ALcons=12.2%
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RaSTI index
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Oct.Band 500 2k
0.7 0.766
1.0 0.612
1.4 0.594
2.0 0.486
2.8 0.402
4.0 0.428
5.6 0.260
8.0 0.446
11.2 0.360
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RaSTI=0.484 rated Fair
ALcons=12.4%
The ALcons index - Articulation Loss of Consonants - is directly related to the STI
by means of a mathematical formula.
15 ACOUSTICAL PARAMETERS 209