Here is my one minute test using Audacity on Windows with a USB mic. Has been passed by Checker including the Australian accent!
https://librivox.org/uploads/tests/test_mummibee.mp3
one minute test [OK]
Welcome mumm
Your audio meets LibriVox requirements, so you are good to go.
Happy narrating!
Your audio meets LibriVox requirements, so you are good to go.
Happy narrating!