TTS Engine Characteristics

The Voice tag supports the following attributes, although not every TTS engine supports every attribute:

• <gender>

• <age>

• <name>

• <speak>

• <voice>

• <xml:lang>

• <break>

• <paragraph>

• <phoneme>

• <prosody>

• <say-as>

• <sentence>

Each TTS engine has a dedicated page that describes which attributes it supports and how to use them.

• ​Amazon Polly​

• ​AT&T Natural Voices​

• ​Cepstral Engine​

• ​RealSpeak Engine​