*Note: This is an abbreviated Project Idea, without notes to
start your background research, a specific list of materials, or
a procedure for how to do the experiment. You can identify
abbreviated Project Ideas by the asterisk at the end of the
title. If you want a Project Idea with full instructions, please
pick one without an asterisk. Use sound recording and analysis
software to record voices of your family members. Can you figure
out ways to identify each family member by just looking at the
analyzed sound patterns from their voice (e.g., spectral
frequency analysis)? Develop a hypothesis about what types of
sound analysis will identify an individual. Have a helper record
additional test files of your family members, without telling
you which file belongs to whom. Unplug your computer speakers
and see if you can identify the voices by analyzed sound
patterns alone. Then plug your speakers back in and see if you
were correct! The Ask an Expert Forum is intended to be a place
where students can go to find a