Originally Posted by CharlyD
As far as I know, the only mandatory audio format in DLNA is LPCM. FLAC is an optional format that is supported by several clients and servers. DLNA servers can implement transcoding services where, for example, a FLAC file can be transcoded and streamed as LPCM to a rendering client that does not support FLAC.
All DLNA devices MUST be able to decode FLAC.