The Human Voice Brian Cox and Robin Ince are joined by comedian and beatboxer Beardyman, acoustic engineer Prof Trevor Cox and neuroscientist Prof Sophie Scott to explore the amazing capabilities of the human voice. They chat about chatting, vocalise about voices and explore the extraordinary and unique way the human voice works from opera singing to laughter, and discovery why our voice has been so key to our success and survival as a species. Producer: Alexandra Feachem.