internal

type AudiobookArgs struct {
	// the file to convert
	FileName string
	// the piper model to use for speech synthesis
	Model string
	// the directory to save the output file
	OutputDirectory string
	// whether to speak utf-8 characters, also known as diacritics
	SpeakUTF8 bool
	// whether to output the audiobook as an mp3 file. if false, use wav
	OutputAsMp3 bool
	// whether to output the audiobook as an mp3 file with chapters
	Chapters bool
	// the number of threads to use when doing concurrent conversions
	Threads int
}