phonetician

This term refers specifically to a professional or academic expert in the field of phonetics. It is distinct from a linguist, who studies language in a broader sense; a phonetician focuses exclusively on the physical properties of speech sounds, such as articulation and acoustic frequency.

In academic and professional registers, the word carries a connotation of technical precision. It is typically used in contexts involving speech therapy, forensic linguistics, or the documentation of endangered languages where the exact transcription of sounds is critical.