white noise white noisea heterogeneous mixture of sound waves extending over a wide frequency range (but equal intensities). Related Articles: Detection Threshold in Animal HearingAcoustic Masking in MammalsHearing Loss in FishesPhysiological StressTutorial: Fishes – Hearing LossTutorial: Fishes – Physiological Stress Chris Knowlton2017-02-26T20:10:10-05:00