"Voices can indeed be changed and the pitch, pace, tonality and voice pattern can be modified to exude power, control, and position someone as the obvious leader, " says Gloria Starr, an image and etiquette consultant.

CNN: Deep-voiced bosses bring in the big bucks, says study

Last quarter, China's economy grew at a pace of 7.9%, slightly better than analyst expectations and breaking a pattern of seven straight quarters of decline.

CNN: China's economy grows 7.8% for 2012, better than expected