audiospectrography
au·di·o·spec·trog·ra·phy
(ô′dē-ō-spĕk-trŏg′rə-fē)n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.