Speaking in deep voice is one of the characteristic features of a powerful and successful individual. People are immediately subordinated to deep voice. Speaking in deep voice can effectively deal with situations of day to day life in a better manner. It reflects the personality of the individual. The degree of dominance or submissive nature, his amount of success in life, etc., is indicated in the voice he exercises, either consciously or otherwise. It is also possible to surmise that the voice plays a role in attracting the opposite sex, too. One of the most important components of public speaking is the sound of your voice. It will influence the impact of your message, and possibly make or break the success of your speech. And, for many people, good voice quality can be learned.