Disclosed herein are system, method, and computer program product embodiments for a text-to-speech system. An embodiment operates by identifying a document including text, wherein the text includes both a structured portion of text, and an unstructured portion of text. Both the structured portion and unstructured portions of the text are identified within the document rich data, wherein the structured portion corresponds to a rich data portion that includes both a descriptor and content, and wherein an unstructured portion of the text includes alphanumeric text. A summary of the content of the rich data portion of the document at a specified level of detail is generated at a specified level of detail. An audible version of the document including both the text-only portion of the document and the summary of the content of the rich data portion of the document is output.