A MacOS app for creating .wav files compatible with Taranis FrSky and EdgeTX/OpenTX controllers using the Mac speech synthesis voices.
macOS 13.0 (Ventura) through macOS 26 (Tahoe)
Install an Enhanced or Premium voice from System Settings > Accessibility > Spoken Content > System Voice > Manage Voices and click the download icon next to the name. Enhanced voices get a gold icon in the voice selector, Premium get a light blue icon.