Raw DAO-96 is 2352 bytes RAW Data + 96 Bytes P-W Subchannel Data. It allows writing of all
subchannel information, including Digital Signatures, CD-Text, ISRC, Catalog Numbers, CD+G, CD+Midi, Gaps, Indices and Crazy TOC's.
Raw DAO-16 is 2352 bytes RAW Data + 16 Bytes P-Q Subchannel Data. It allows writing of most subchannel information, including most Digital Signatures, ISRC, Catalog Numbers, Gaps, Indices and Crazy TOCs. 2-Bytes CRC of the Q Subchannel are generated by the writer.
Basically in practice DAO-16 can copy SecuROM, *but*, DAO-96 can copy Libcrypt as found on some PSX titles.