Here you can find mp3 files of spoken pronunciation guides for the Greek and Latin texts in Perpetua, made by Peter Champness.  You can play the tracks on the site or download by clicking the download link to the right of each track.

Act 1 Sc.1 Perpetua & Dinocrates
Act 1 Sc.2 Chorus with P & F
Act 1 Sc.3 Perpetua's lament
Act 1 Sc.4
Act 1 Sc.5 Chorus with P & F
Act 1 Sc.6 Perpetua & Dinocrates

More tracks to come