The Successful Voice emphasizes the value of effective vocal communication in both the professional and private spheres. It gives public speakers and actors, as well as the daily conversationalist, the tools necessary to develop successful speaking skills.

The text provides exercises, drills, and basic information on inflection, intonation, and articulation. It also addresses dialogue emphasis, gesture, oral interpretation, and emotional expression.

Beginning with vocal warm-up, breathing exercises and tongue twisters for proper pronunciations, the text moves on to help students with plosive sounds, fricatives, nasals, glides, and affricates. This helpful guide concludes with: front, mid- and back-vowels, diphthongs, and a section on vocal eloquence.

Readers will quickly learn to listen for weak and strong speech patterns in the conversation of others, monitor their own speech, and produce distinct sounds without difficulty.