This is what the sounds of dominance, excitement, and desire look like. Beyond Verbal is a firm that maps the patterns and frequency of voices expressing various emotions.
What is this technology good for, you ask?
"If, say, Apple’s Siri understood how you were feeling in addition to what you were saying, it could pull up not just a playlist, but rather a playlist that matched your mood. Politicians could use the technology to practice enhancing qualities such as leadership in their voices while giving speeches. People with Asperger’s syndrome, who often have communication difficulties, could use it to understand verbal cues that extend beyond literal words. It could even help air traffic controllers identify when pilots were under stress."