Ring, ring--it's the branch of linguistics that deals with the sounds of speech
..... phonetics - the branch 
of acoustics concerned with speech processes including its production and... [DOC] [TLE] Linguistic Terms - Orbis Latinus [PAR] case n : an inflectional form of a noun, pronoun, or adjective indicating its ... 
continuant n : a speech sound (as a fricative or vowel) that is produced without a 
... phonetic value is a single sound (as ea in head or ng in ring) or whose value is 
not ... in an ancestral language; 2. a branch of linguistics concerned with 
etymologies.