Olivia speaks all the starting words.
New tiles you add, and "Say this instead" phrases, use the device voice until you record one. For the most human sound, record your own voice on those tiles (βοΈ Edit β tap a tile β ποΈ Record voice). Speed and pitch only change the device voice.
Get a more natural, human-sounding voice (free)
iPad / iPhone: Settings β Accessibility β Spoken Content β Voices β English. Pick a voice marked Premium or Enhanced (for example Serena, Ava, Zoe or Jamie) and tap β¬οΈ to download it.
Android: Settings β search "Text-to-speech" β Preferred engine: Speech Services by Google β βοΈ β Install voice data β English, then choose a voice.
Then close and reopen Hear Me AAC. It picks the best voice automatically, or you can choose one above. β
marks the natural-sounding voices.
For the most human sound of all, record your own voice on the tiles you use most (βοΈ Edit β tap a tile β ποΈ Record voice).