In the Thumbnails view, select the panel with the voice annotation which you want to listen to.
In the Panel view, do any of the following in the Voice Annotations section:
Click the Next Voice Annotation and Previous Voice Annotation buttons to select the annotation you want to listen to. Use the order display in the Voice Annotation section to see which annotation is selected.
Click the Play Voice Annotation button to play back the selected voice annotation.
Click the Stop Voice Annotation button to stop playback.