Sorry to report that the latest patch for Media Composer (6.0.1) still does not support Epic (and I assume Scarlet) audio for single system recordings and accessed via AMA. Workaround is to continue tanscoding in REDCINE X or... export BWF only in REDCINE X, AMA to the files, then AutoSync from the incoming BWF files. 6 of one, 1/2 dozen of another - there may be advantages to one over the other depending on particular workflows.