Other representations might be used by specialist equipment, for example ISO 2047 graphics or hexadecimal numbers.
ˈʌðɚ ɹˌɛpɹᵻzˈɛntˈeɪʃənz mˌaɪt biː jˈuːzd baɪ spˈɛʃəlˌɪst ɪkwˈɪpmənt, fɔːɹ ɛɡzˈæmpəl ˌaɪˌɛsˈoʊ tˈuː θˈaʊzənd fˈoːɹɾi sˈɛvən ɡɹˈæfɪks ɔːɹ hˈɛksɐdˌɛsɪməl nˈʌmbɚz.