articulation index


Also found in: Acronyms, Wikipedia.

articulation index

[är‚tik·yə′lā·shən ′in‚deks]
(psychology)
An indication of the percentage of speech sounds that would be heard correctly when heard without a context.
References in periodicals archive ?
Where, [y.sub.c] is subjective annoyance value, [x.sub.1] is A-weighted sound pressure level results, [x.sub.2] is loudness results, [x.sub.3] is articulation index results, [a.sub.0] is constant term of MLR model, [b.sub.1][b.sub.2] and [b.sub.3] are regression coefficient of MLR model.
Lable 9.shows that only articulation index could be reserved in MLR model.
So MLR model of Equation (7) could be used for sound quality only by objective evaluation results of articulation index on the vehicle idle condition and the creeping condition.
Speech Privacy Privacy Index (PI) 100%-95% Confidential Speech Privacy PI = (1 - AI) (AI = Articulation Index) 95%-80% Nonintrusive (Normal, Open Plan Office) Speech Privacy 80%-60% Poor Speech Privacy <60% Complete Lack of Privacy Degree of privacy needed depends on room use: Knowledge workers need nonintrusive privacy to work effectively, managers need confidential, etc.
Full browser ?