This property specifies whether content will be aurally rendered, and the nature of its rendering. It controls aural rendering in much the same way the ‘display’ property controls visual rendering.
<acronym style="speak: spell-out">Some Text</acronym>
inherit: Explicitly sets the value of this property to that of the parent.
normal: Uses normal pronunciation rules for the current language to render content.
none: Suppresses/skips aural rendering of the element. No time is taken to render the element. Child elements can override this value.
spell-out: Spells the content one character at a time (useful with acronyms and abbreviations.)