To display pop-up menus where you can choose different voices to speak specific items, such as status or attributes, click the disclosure triangle to the left of Default.
Click Speech in the category table, and then click Voices.When VoiceOver is on, open VoiceOver Utility by pressing VO-F8.The new settings are applied only to the default voice. To decrease the value, press VO-Command-Down Arrow. To increase the setting’s value, press VO-Command-Up Arrow.Continue to press VO-Command-Right Arrow until you hear the setting you want to adjust.If the last adjustment you made was to pitch, that’s the first setting you will hear for example, “Pitch 50 percent.” To hear the first setting, press VO-Command-Right Arrow.