What makes your voice yours?

(Acoustical Society of America) What are the characteristics of the way you say, 'hello,' (or anything else for that matter) that makes you recognizable over the phone? Despite the increasing amount of literature on personal voice quality, very little is actually known about how to characterize the sound of an individual speaker. Two researchers from UCLA in Los Angeles, California, Patricia Keating and Jody Kreiman, are joining forces to apply acoustics tools to their linguistics research, inve