Austroasiatic languages appear to be the extant autochthonous languages in mainland Southeast Asia, with the neighboring Kra–Dai, Hmong-Mien, Austronesian, and Sino-Tibetan languages having arrived via later migrations.
ˌɔːstɹoʊsɪˈæɾɪk lˈæŋɡwɪdʒᵻz ɐpˈɪɹ təbi ðɪ ɛkstˈænt ˌɔːɾoʊtʃθˈɑːnəs lˈæŋɡwɪdʒᵻz ɪn mˈeɪnlənd sˈaʊθiːst ˈeɪʒə, wɪððə nˈeɪbɚɹɪŋ kɹˈɑː dˈaɪ, ˈeɪtʃmˈɔŋɡmˈiːn, ˌɔːstɹoʊnˈiːʒən, ænd sˈiːnoʊɾɪbˈɛtən lˈæŋɡwɪdʒᵻz hˌævɪŋ ɚɹˈaɪvd vˈaɪə lˈeɪɾɚ maɪɡɹˈeɪʃənz.