Summary of Server Audio Formats and Version PDU sent from Windows.

Windows 7 Enterprise SP1

wFormatTag	nChannels	nSamplesPerSec	nAvgBytesPerSec	nBlockAlign	wBitsPerSample	cbSize
0x000001	2	44100	176400	4	16	0
0x000002	1	8000	4096	256	4	32
0x000002	1	11025	5644	256	4	32
0x000002	1	22050	11155	512	4	32
0x000002	1	44100	22179	1024	4	32
0x000002	2	8000	8192	512	4	32
0x000002	2	11025	11289	512	4	32
0x000002	2	22050	22311	1024	4	32
0x000002	2	44100	44359	2048	4	32
0x000006	2	22050	44100	2	8	0
0x000011	1	8000	4055	256	4	2
0x000011	1	11025	5588	256	4	2
0x000011	1	22050	11100	512	4	2
0x000011	1	44100	22125	1024	4	2
0x000011	2	8000	8110	512	4	2
0x000011	2	11025	11177	512	4	2
0x000011	2	22050	22201	1024	4	2
0x000011	2	44100	44251	2048	4	2
0x000031	1	8000	1625	65	0	2
0x000031	1	11025	2239	65	0	2
0x000031	1	22050	4478	65	0	2
0x000031	1	44100	8957	65	0	2

Windows 10 Pro 1709 build 16299.64

wFormatTag	nChannels	nSamplesPerSec	nAvgBytesPerSec	nBlockAlign	wBitsPerSample	cbSize
0x000001	2	44100	176400	4	16	0
0x000002	1	8000	4096	256	4	32
0x000002	1	11025	5644	256	4	32
0x000002	1	22050	11155	512	4	32
0x000002	1	44100	22179	1024	4	32
0x000002	2	8000	8192	512	4	32
0x000002	2	11025	11289	512	4	32
0x000002	2	22050	22311	1024	4	32
0x000002	2	44100	44359	2048	4	32
0x000006	1	8000	8000	1	8	0
0x000006	1	11025	11025	1	8	0
0x000006	1	22050	22050	1	8	0
0x000006	1	44100	44100	1	8	0
0x000006	2	8000	16000	2	8	0
0x000006	2	11025	22050	2	8	0
0x000006	2	22050	44100	2	8	0
0x000006	2	44100	88200	2	8	0
0x000007	1	8000	8000	1	8	0
0x000007	1	11025	11025	1	8	0
0x000007	1	22050	22050	1	8	0
0x000007	1	44100	44100	1	8	0
0x000007	2	8000	16000	2	8	0
0x000007	2	11025	22050	2	8	0
0x000007	2	22050	44100	2	8	0
0x000007	2	44100	88200	2	8	0
0x000011	1	8000	4055	256	4	2
0x000011	1	11025	5588	256	4	2
0x000011	1	22050	11100	512	4	2
0x000011	1	44100	22125	1024	4	2
0x000011	2	8000	8110	512	4	2
0x000011	2	11025	11177	512	4	2
0x000011	2	22050	22201	1024	4	2
0x000011	2	44100	44251	2048	4	2
0x000031	1	8000	1625	65	0	2
0x000031	1	11025	2239	65	0	2
0x000031	1	22050	4478	65	0	2
0x000031	1	44100	8957	65	0	2
0x00a106	2	44100	12000	4	16	0
0x00a106	2	44100	16000	4	16	0
0x00a106	2	44100	20000	4	16	0
0x00a106	2	44100	24000	4	16	0