Pre-conversation or or conversation with your audience prior to your formal speech can lessen nervousness and an effective way of improving self confidence to speak before them during your speech. This way also allows you to gain additional knowledge about what they want to hear from you. Thus, pre-conversation allows you to weigh the substance of your speech.

It is not but pre-conversation makes you feel and your audience at ease which is necessary to deliver smoothly the topic that you want them to know. Indeed pre-conversation can really help in boosting your confidence to face and to speak to large number of listening people.