If I ‘flex my ear’ (the tensor tympani [0]) I can make the noise cancellation produce a mic feedback ringing sound. [0] https://www.sciencealert.com/some-peopl

If I ‘flex my ear’ (the tensor tympani [0]) I can make the noise cancellation produce a mic feedback ringing sound. [0] https://www.sciencealert.com/some-people-can-make-a-roaring-sound-in-your-ears-just-by-tensing-a-muscle https://www.sciencealert.com/some-people-can-make-a-roaring-...