OpenTX Speech saves you time by converting the files to the format supported by OpenTX.
Custom sound files - Create sound files for your own words or select from a set of commonly used additional, non stock sounds.
1) Select the TTS language
2) Select "User Defined Lists"
3) Find an example csv file in the "OpenTXSpeech" folder.
The format for the csv files is as follows:
One phrase or word definition per line in one of the following two formats:
SOUND/FILE/PATH;filename.wav;Phrase or words
filename.wav;Phrase or words
You can create multiple csv files that contain different lists. Just name the files as you like. (with a .csv extension)