The term hearing impairment is identified in base64 scheme by the sequence aGVhcmluZyBpbXBhaXJtZW50, while the MD5 signature is equal to 8098c23fd41a596f3172fada4b4dbcd1. The ASCII encoding of hearing impairment in hexadecimal notation is 68656172696e6720696d706169726d656e74.