Deviation (child language) ; Articulation (child language) ; Pathologischer Spracherwerb (phon.) ; Phonological development (pathol.) ; Deviation (pathol.) ; Hearing disorders ; Auditory brainstem implant; Elektrisch-akustische Stimulation; Electric-acoustic stimulation; Cochlear implant ; Acoustic phonetics ; Spreading (phonet.) ; Coarticulation ; Cepstrum; Spectrography ; Open syllable; Closed syllable; Syllable system ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English