Acknowledgments

The part of this work carried out at CMU was funded in part by the U.S. National Science Foundation grant ``ITR/CIS Evaluation and Personalization of Synthetic Voices'' The opinions expressed in this paper do not necessarily reflect those of NSF.

Our special thanks to Chaitanya Krishna of IIIT Hyderabad for conducting the perceptual tests in a short time. We also thank all the people of LTRC and graduate students of IIIT Hyderabad for their participation in the perceptual tests.