Integrating computational phylogenetic linguistics with recent archaeological findings, Paul Sidwell (2015c) further expanded his Mekong riverine hypothesis by proposing that Austroasiatic had ultimately expanded into Indochina from the Lingnan area of southern China, with the subsequent Mekong riverine dispersal taking place after the initial arrival of Neolithic farmers from southern China.
ˈɪntᵻɡɹˌeɪɾɪŋ kˌɑːmpjuːtˈeɪʃənəl fˌaɪloʊdʒnˈɛɾɪk lɪŋɡwˈɪstɪks wɪð ɹˈiːsənt ˌɑːɹkiːəlˈɑːdʒɪkəl fˈaɪndɪŋz, pˈɔːl sˈɪdwɛl tˈuː θˈaʊzənd fˈɪftiːn sˈiː fˈɜːðɚɹ ɛkspˈændᵻd hɪz mˈɛkɑːŋ ɹˈɪvɚɹˌiːn haɪpˈɑːθəsˌɪs baɪ pɹəpˈoʊzɪŋ ðæt ˌɔːstɹoʊsɪˈæɾɪk hæd ˈʌltᵻmətli ɛkspˈændᵻd ˌɪntʊ ˌɪndoʊtʃˈaɪnə fɹʌmðə lˈɪŋnən ˈɛɹiə ʌv sˈʌðɚn tʃˈaɪnə, wɪððə sˈʌbsᵻkwənt mˈɛkɑːŋ ɹˈɪvɚɹˌiːn dɪspˈɜːsəl tˈeɪkɪŋ plˈeɪs ˈæftɚ ðɪ ɪnˈɪʃəl ɚɹˈaɪvəl ʌv nˌiːoʊlˈɪθɪk fˈɑːɹmɚz fɹʌm sˈʌðɚn tʃˈaɪnə.