This indicates the amount of stress given to stressed parts of sentences. Valid values are numbers between 0 and 100, where 50 is the initial value. Stress is inherited. This indicates the brightness of the voice. Valid values are numbers between 0 and 100, where 50 is the initial value.
Higher values give a voice greater 'carry', but lower values make it softer.
Richness is inherited. It is inherited. It is inherited. Always means speak after every relevant cell. This only works if the browser knows that the cell is relevant.