The Americans with Disabilities Act and Section 504 of the Rehabilation Act of 1973 protect deaf people from discrimination. This page cites other laws protecting individuals with hearing disabilities.
Any television public service announcement that is produced or funded in whole or in part by any agency or instrumentality of Federal Government shall include closed captioning of the verbal content of such announcement
State and local governments that provide automated attendant systems (voice mail and messaging), must provide systems for deaf and hard of hearing people to use.
A closed caption speech badge that picks up your voice through your mask so the d/Deaf and hard of hearing can see what you’re saying on the badge you wear.