The process of hearing the audience will be interested and listen, and then use the brain interpret sound until you understand and have a reaction in response to the sounds.
Process of being heard by the listener to pay attention and listen to the sound, then the brain interprets as sound understanding. The reaction response to it.
The process of hearing by the listener will have to pay attention and listen to the sound that the brain's interpretation of waste until the understanding. And a reaction to that sound.