The Republic by Plato Part 3 Page 25

the poet is speaking in his own person; he never leads us to suppose that he is any one else. But in what follows he takes the person of Chryses, and then he does all that he can to make us believe that the speaker is not Homer, but the aged priest himself. And in this double form he has cast the entire narrative of the events which occurred at Troy and in Ithaca and throughout the Odyssey.

Yes.

And a narrative it remains both in the speeches which the poet recites from time to time and in the intermediate passages?

Quite true.

But when the poet speaks in the person of another, may we not say that he assimilates his style to that of the person who, as he informs you, is going to speak?