2.1.1 TtsPreferences object

Represents the preferences used to convert text to speech.

{
  "language": "en",
  "country": "US",
  "gender": "FEMALE",
  "speed": "NORMAL"
}

Field	Type	Description
`language` required	String	A (lower case) ISO-639 language code.
`country` required	String	An (upper case) ISO 3166-1 country code.
`gender` required	String	A voice gender, can be `MALE` or `FEMALE`
`speed` required	String	A voice speed, can be `SLOW`, `NORMAL` or `FAST`