HiThere was some issue (Big "noise" between DSF files) with UPNP server for DSD files in DSF format on Windows JRiver 18 (DoPE enabled).This issue was solved in version Windows 18/212 (I do not know exactly from which version).See http://yabb.jriver.com/interact/index.php?topic=81927.msg558429#msg558429This issue still exists in JRiver for Mac 18/219 and 19/65Kind regards