Buying a Digital Hearing Aid? Some Useful Information For You
In 'digital world ' is heard a lot these days, especially when talking of electronic devices. As for a hearing aid, the word digital refers to the conversion of sound into digital symbols. This kind of conversion or adjustment happens in real time and is done by the computer chip fitted into the hearing instrument. There are basically two types, the Analog and the Digital. The Analog type convert the sound waves into electrical signals which are then amplified. These are adjustable aids which are custom made to suit the needs of the user and is accordingly programmed. These are provided with various programs and settings as suggested by the audiologist. These settings help the user to use the machine as per the surroundings and the immediate requirement. The Digital Hearing Aids on the other hand convert the sound waves into numerical codes, very similar to the binary codes of the computer before amplifying them. A camera is an ideal example to explain this theory...