A document about audio,include Mp3 , Mp3Pro, AAC , AAC+ , EAAC+ , AMR , AMR-WB ,AMR-WB+ .It list det
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A document about audio,include Mp3 , Mp3Pro, AAC , AAC+ , EAAC+ , AMR , AMR-WB ,AMR-WB+ .It list detail information about this audio type.It is a guide to study these audio in advance