>A sound can mask another sound. Details: https://en.wikipedia.org/wiki/Auditory_masking https://en.wikipedia.org/wiki/Auditory_masking Bernhard Seeber of th

>A sound can mask another sound. Details: https://en.wikipedia.org/wiki/Auditory_masking https://en.wikipedia.org/wiki/Auditory_masking Bernhard Seeber of the Audio Information Processing Group at the Technical University of Munich has some good demonstration videos on Youtube: https://www.youtube.com/watch?v=R9UZnMsm9o8 https://www.youtube.com/watch?v=R9UZnMsm9o8 https://www.youtube.com/watch?v=bU0_Kaj7cPk https://www.youtube.com/watch?v=bU0_Kaj7cPk