Compléter Examen 2-23 AbrilVersion en ligne Temario par J. More 1 segmental vowels acoustic suprasegmental phoneme sounds Articulatory Phonology auditory sound Phonetics rhythm is the science that studies the and human voice , studying the physical aspects of speech processes . Its unit is the . phonetics studies how speech sounds are produced , phonetics studies how speech sounds are transmitted and phonetics studies how speech sounds are perceived . is the science that studies the sound system , studying how sounds are combined in a language in order to express meanings . Its unit is the , that is , the smallest meaningful unit of grammar , that might produce a change in meaning . On the one hand , phonology refers to stress , and intonation patterns , whereas phonology refers to what someone says , concerning and consonants .