Editor's note: TED is a nonprofit organization devoted to "Ideas worth spreading," which it makes available through talks posted on its website.
Julian Treasure, the author of "Sound Business," is chairman of UK-based audio branding specialist The Sound Agency and an international speaker on sound's effects on people, on business and on society.
His full presentation is found here.
"Less mainstream, though intellectually no more difficult to accept, is sound therapy: the use of tones or sounds to improve health through entrainment (affecting one oscillator with a stronger one). This is long-established: shamanic and community chant and the use of various resonators like bells and gongs, date back thousands of years and are still in use in many cultures around the world."