Some folks prefer an audio version of these presentations. Depemding on your device, you may be able to listen to an audio version by holding down your finger on the text you want read to you. If available, a READ ALOUD option may then be clicked. You may also copy and paste the text onto blank page on WORD, and use their READ ALOUD OPTION under the REVIEW mode. There are speed, voice and translation options on some apps, as well.