4. A computing system comprising: one or more processors; and a memory including instructions operable to be executed by the one or more processors to perform a set of actions to configure the system to: identify a textual indicator of secondary content in a string of text, the string of text including a first string prior to the textual indicator and a second string subsequent to the textual indicator, wherein the secondary content is at least one of data relating to formatting of the string of text or additional data associated with the string of text; and output first audio including an audio tone preceded by first speech and followed by second speech, the first speech corresponding to the first string, the second speech corresponding to the second string, the audio tone associated with the textual indicator and based on a type of the secondary content.
7. The system of claim 4 , wherein the first audio includes a delay between the first speech data and the second speech data, the delay corresponding to a length of the audio tone.