The surname "Higdon" is pronounced /hɪdʒdən/ in IPA phonetic transcription. The first sound, /h/, is a voiceless glottal fricative produced by exhaling air through the space between the vocal cords. The second sound, /ɪ/, is a short, lax vowel made by positioning the tongue in the middle of the mouth. The third sound, /dʒ/, is a voiced postalveolar affricate formed by briefly stopping the airflow with the tongue and then quickly releasing it with a burst of air. The final sound, /n/, is a voiced alveolar nasal created by touching the tongue to the alveolar ridge.