Anechoic Chamber (IMAGE) Florida Atlantic University Caption Researchers used an anechoic chamber as one of the environments, which provides “pure,” undisturbed samples that added a lot of information to the CNN, in turn, making the model more robust. Credit Florida Atlantic University Usage Restrictions Credit: Florida Atlantic University License Original content 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.