The audio effect processor that's used to optimize the quality of the synthesized speech output for specific scenarios on devices. For a complete list of supported prebuilt voices, see Language support. The voice used for text to speech output. The following table describes the usage of the voice element's attributes: Attribute You can also use the same voice multiple times with different settings, such as when you change the silence duration between sentences. Each voice element can specify a different voice. You can include multiple voice elements in a single SSML document. This element determines the voice that's used for text to speech. Use voice elementsĪt least one voice element must be specified within each SSML speak element.

For more information about SSML syntax, see SSML document structure and events.

The article shows you how to use SSML elements to specify voice and sound. In addition, SSML features the ability to insert prerecorded audio, such as a sound effect or a musical note. You can also use multiple voices in a single SSML document, and adjust the emphasis, speaking rate, pitch, and volume.

You can use Speech Synthesis Markup Language (SSML) to specify the text to speech voice, language, name, style, and role for your speech output.