Patent ID: 9107011
Filing Date: 2015-08-11
Classification: A61F,G01H,G10K,H04R

Abstract:
1. A headset having hearing protection for at least one of its purposes, the headset comprising: a. at least one ear cup having a sound-resistant edge seal; b. at least one first microphone mounted on the exterior of said at least one ear cup; c. at least one second microphone mounted on the interior of said at least one ear cup; d. a signal processor, coupled to said at least one first microphone and to said at least one second microphone, for computing external and internal sound pressure levels, respectively, from at least one first and at least one second signals from said at least one first microphone and said at least one second microphone, respectively; and e. a non-volatile memory coupled to said signal processor for storing a constant representing a fit allowance, wherein said fit allowance is a number representing the predetermined difference between said internal sound pressure level and said external sound pressure level when said headset is worn properly.