Gayanne Potter's Scottish accent was used to teach station announcer "Iona", but she said it was a surprise to hear a "dreadful" robotic version of herself.
ScotRail introduced the voice, provided by Swedish tech firm ReadSpeaker, in May to replace pre-recorded human announcements on some services.
Transport Scotland said the rail operator now intended to introduce an alternative voice "as soon as practicable".
Ms Potter had urged ScotRail to scrap Iona and told BBC Scotland News that her voice was being used as an AI clone without her consent.
She said: "It's hard enough for people in the creative industry to sustain careers, but to be competing with a robotic version of yourself adds insult to injury."
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