Dialektologie, perzeptuelle; Dialectology, perceptual; Folk dialectology; Perceptual dialectology ; Speech intelligibility (language variation) ; Vowel perception; Consonant perception; Speech perception (phonet.) ; Sound perception ; Geräusch (Sprachverständnis) ; Noise (language comprehension) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English