æz təlˈɛfəni bɪkˌeɪm mˈoːɹ dˈɪdʒɪɾəl, sˌoʊ dˈɪd vˈɔɪs lˈɔɡɚz, ænd stˈɑːɹɾɪŋ ɪnðə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti z, vˈɔɪs lˈɔɡɚz dˈɪdʒɪtˌaɪzd ðɪ ˈɔːdɪˌoʊ jˈuːzɪŋ ɐ kˈoʊdək ænd ɹᵻkˈoːɹdᵻd tə dˈɪdʒɪɾəl tˈeɪp.
As telephony became more digital, so did voice loggers, and starting in the 1990s, voice loggers digitized the audio using a codec and recorded to digital tape.