The voice that is synthesized by Watson, by default, has fairly interesting inflections. Sometimes, however, you will want even more control over how things are said. Watson provides a way to do this with Speech Synthesizer Markup Language (SSML).
For example, if you wanted your expression to sound more upbeat, you can surround that text with the <express-as> XML markup tags, as follows:
<express-as type="GoodNews">I'm so glad you're here with me today.</express-as>
Other expression types include apology and uncertainty.
In addition to the expressive markup, you can also use the voice transformation markup to make the voice sound softer, as follows:
<voice-transformation type="Soft">I'm so glad you're here with me today.</voice-transformation>
Alternatively, you can...
