phonetics

The branch of linguistics that deals with the sounds of speech and their production, combination, description, and representation by written symbols.

The system of sounds of a particular language.

Phonetic science; that division of language-study which deals with articulate sounds and whatever concerns them: phonology.

The doctrine or science of sounds; especially those of the human voice; phonology.

The art of representing vocal sounds by signs and written characters.

The study of the physical sounds of human speech, concerned with the physical properties of speech sounds (phones), and the processes of their physiological production, auditory reception, and neurophysiological perception, and their representation by written symbols.

the branch of acoustics concerned with speech processes including its production and perception and acoustic analysis