text_original: I don't know that they are, though it's sure the lecture we heard and the maps we saw had been used before  frequently I should say."
text_transcription: I DON'T KNOW THAT THEY ARE THOUGH IT'S SURE THE LECTURE WE HEARD AND THE MAPS WE SAW HAD BEEN USED BEFORE FREQUENTLY I SHOULD SAY
phonemes: aɪ dˈoʊnt nˈoʊ ðˈæt ðeɪ ɑːɹ, ðˌoʊ ɪts ʃˈʊɹ ðə lˈɛktʃɚ wiː hˈɜːd ænd ðə mˈæps wiː sˈɔː hɐdbɪn jˈuːzd bᵻfˌɔːɹ fɹˈiːkwəntli aɪ ʃˌʊd sˈeɪ."