Tags read from the 'fmt ' header of a DSF (DSD Stream File) audio files. As well, ID3 metadata may also exist in these files. See https://dsd-guide.com/sites/default/files/white-papers/DSFFileFormatSpec_E.pdf for the specification.
Index4 Tag Name Writable Values / Notes 3 FormatVersion no 4 FormatID no 0 = DSD Raw 5 ChannelType no 1 = Mono
2 = Stereo (Left, Right)
3 = 3 Channels (Left, Right, Center)
4 = Quad (Left, Right, Back L, Back R)
5 = 4 Channels (Left, Right, Center, Bass)
6 = 5 Channels (Left, Right, Center, Back L, Back R)
7 = 5.1 Channels (Left, Right, Center, Bass, Back L, Back R)6 ChannelCount no 7 SampleRate no 8 BitsPerSample no 9 SampleCount no 11 BlockSize no