The term stereophonic system is identified in base64 scheme by the sequence c3RlcmVvcGhvbmljIHN5c3RlbQ==, while the MD5 signature is equal to 8208d8bc9ea4e1b7be4d1902a3c3c6bd. The ASCII encoding of stereophonic system in hexadecimal notation is 73746572656f70686f6e69632073797374656d.