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Glossary: F

Feedback

The whistling sound sometimes produced by hearing aids. Feedback occurs when amplified sound from the hearing aid enters the microphone and causes a feedback loop. Feedback can be caused by poor-fitting or loose earmoulds, or a build-up of wax in the ear canal. 

Final Statement – Northern Ireland

The final copy of the statement of Special Educational Needs (SEN) issued by the local authority (council). Parents are given written notice of their right to appeal the local authority’s decision to Tribunal.

First Tier Tribunal – England

The First Tier Tribunal is part of the HM Courts and Tribunals Service (HMCTS) and is independent of the Department for Work and Pensions (DWP). If you disagree with a decision about your entitlement to benefits, such as Disability Living Allowance (DLA), Personal Independence Payment (PIP) or Universal Credit for example, you appeal to the First-Tier Tribunal. It’s a panel of three people, including a lawyer (barrister or solicitor), a doctor and someone who has knowledge about disability.  

First-tier Tribunal for Scotland Social Security Chamber – Scotland

The First Tier Tribunal for Scotland Social Security Chamber is independent Social Security Scotland (SSS). If you disagree with a decision about your entitlement to benefits, such as Child Disability Payment (CDP) or Adult Disability Payment (ADP), you appeal to the First-Tier Tribunal. It’s a panel of three people, including a lawyer (barrister or solicitor), a doctor and someone who has knowledge about disability.

Frequency

Most sounds are made up of different frequencies. Frequency is often thought of as the pitch of the sound. For example, on a piano keyboard, the keys to the left play low-frequency (or low pitch) notes, and the keys to the right play high-frequency (or high pitch) notes. Frequency is measured in hertz (Hz).

Lots of deaf children have different hearing at different frequencies. For example, someone with high-frequency hearing loss might struggle to hear birdsong but find it easier to hear traffic noise.

FM system

A system that reduces the effects of distance and background noise to make listening easier. Personal FM systems are known as radio aids and are used widely by children with hearing aids and cochlear implants in school.