RFC 3551 RTP A/V Profile July 2003 4.5.1 DVI4 DVI4 makes use of an adaptive delta pulse code modulation (ADPCM) encoding scheme that was specified by the Interactive Multimedia Affiliation (IMA) given that the "IMA ADPCM wave variety". Nonetheless, the encoding outlined below as DVI4 differs in three respects from your IMA specification: o The RTP … Read More