The term amplitude distortion is identified in base64 scheme by the sequence YW1wbGl0dWRlIGRpc3RvcnRpb24=, while the MD5 signature is equal to a43a72e6640fc23059305ed476737db3. The ASCII encoding of amplitude distortion in hexadecimal notation is 616d706c697475646520646973746f7274696f6e.