A sonogram is a visual representation of sound. Obtain and install a speech analysis tool that can generate sonograms.15
a. Examine several sonograms of your voice, each time saying “open sesame.” Qualitatively, how similar are the sonograms?
b. Examine several sonograms of someone else saying “open sesame.” How similar are these sonograms to each other?
c. In what ways do your sonograms from part a differ from those in part b?
d. How would you go about trying to develop a reliable biometric based on voice recognition? What characteristics of the sonograms might be useful for distinguishing speakers?