High Quality Content by WIKIPEDIA articles! Java Speech API Markup Language (JSML) is an XML-based markup language for annotating text input to speech synthesizers. JSML is used with-in the Java Speech API. JSML is an XML application and conforms to the requirements of well-formed XML documents. Java Speech API Markup Language is referred to as JSpeech Markup Language when describing the W3C documentation of the standard. Java Speech API Markup Language and JSpeech Markup Language identical apart from the change in name, which is made to protect Sun trademarks.