There are various types of TV systems designed for the deaf or hard of hearing. Although these devices are often referred to as hearing impaired systems, many individuals with hearing difficulties prefer being recognized as hard of hearing or deaf. Closed captioning works in conjunction with hearing impaired TV systems to make life easier for the deaf. Hearing impaired TV services and wireless gadgets that amplify sound are common methods as well. who are hard of hearing may find it difficult to enjoy television because the sound may be distorted to their ears. This is because many televisions are not equipped with special features that allow individuals who are hard of hearing to hear the frequencies with clarity. To help with special needs of those with hearing loss, there are various hearing impaired TV systems available.