Glossary
Searchable terminology from accessibility, web standards, and related fields.
3 results found in hearing loss.
- Hearing Aid Compatibility (HAC, HAC Rating)
- Federal Communications Commission (FCC) requirements and ratings for telephones to work effectively with hearing aids and cochlear implants. HAC standards address acoustic coupling (how well the phone…
- Narrowband Audio (NB Audio, Standard Definition Voice)
- Audio transmission limited to the frequency range of approximately 300-3,400 Hz, which has historically been the standard for telephone networks (PSTN). While sufficient for basic speech intelligibili…
- Telecoil (T-Coil, Telephone Coil, Induction Coil)
- A small copper coil inside a hearing aid or cochlear implant processor that picks up magnetic signals and converts them to sound. Telecoils allow hearing device users to receive audio directly from te…