ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,431, issued on April 7.
"Sound noise-masking device and masking earphone" was invented by Hiu Ling Fok (Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sound noise-shielding device and a masking earphone are provided in this disclosure. Earphones, hearing aids and noise-masking earplugs are integrated. The noise-masking earplugs are used to directly block real sounds, so that for patients with misophonia, stress response caused by sounds received by the earphones can be reduced, and these sounds can be converted into other acceptable sounds by the bone conduction earphones. Sometimes there may be some mixed sounds at the same time, and th...