Example of spectrogram (IMAGE) Geological Society of America Caption An example of a spectrogram, which scientists use to highlight sound sources based on their visual signatures. Credit Whitney Wyche Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.