MPEG4ObjectID.AAC_LTP A constant that specifies long-term prediction, which reduces redundancy in a coded signal. Declarationcase AAC_LTP See AlsoConstantsMPEG4ObjectID.AAC_LCMPEG4ObjectID.aac_MainMPEG4ObjectID.AAC_SBRMPEG4ObjectID.AAC_SSRMPEG4ObjectID.aac_ScalableMPEG4ObjectID.CELPMPEG4ObjectID.HVXCMPEG4ObjectID.twinVQ