The term audio lingual acquisition is identified in base64 scheme by the sequence YXVkaW8gbGluZ3VhbCBhY3F1aXNpdGlvbg==, while the MD5 signature is equal to d773e5975c289e71e3b118d1d39936b2. The ASCII encoding of audio lingual acquisition in hexadecimal notation is 617564696f206c696e6775616c206163717569736974696f6e.