About the book: 2020 / This book is a fascinating history of our ability to speak. Trevor Cox, acoustic engineer and BBC radio presenter, takes a close-up look at the basic mechanics of speech, detailing how the voice defines and reveals personality. The book takes us back in time to the origins of the human race, asking important questions about what may threaten our uniqueness in the future. On this insightful journey, we'll meet vocal scientists, audio engineers, neuroscientists and computer programmers whose expertise and research will provide a deeper understanding of what we usually take for granted..