Pronunciation pane of the Speech category
Use the Pronunciation pane of the Speech category in VoiceOver Utility to customize how VoiceOver pronounces text and symbols.
To open VoiceOver Utility, press Command-F5 to turn VoiceOver on, then press VO-F8.
Note: VO represents the VoiceOver modifier.
Lists the words, acronyms, or symbols for which you have specified a pronunciation.
To change an item listed in the Text column, navigate to it, then press VO-Space bar.
Lists the pronunciations you specified.
To change an item listed in the Substitution column, navigate to it, then press VO-Space bar.
Lists apps where you want VoiceOver to use the custom pronunciation.
To change the app, click the pop-up menu, then choose a different app (or All Apps). The pop-up menu lists only apps that are currently open.
Ignore capitalization. If VoiceOver is set to indicate capitalization when speaking, you might want to ignore uppercase and lowercase in your pronunciations.
Add a substitution to the list.
Remove the selected substitution from the list.