thx for your reply
example's (work well with whs 2011 media sharing but not with serviio):
Input #0, asf, from 'D:\ServerFolders\Musique\CD\AC-DC\AC-DC Live\01-Thunderstruck.wma':
Metadata:
title : Thunderstruck
artist : AC/DC
WM/MediaPrimaryClassID: {D1607DBC-E323-4BE2-86A1-48A42A28441E}
WMFSDKVersion : 10.00.00.3802
WMFSDKNeeded : 0.0.0.0000
IsVBR : 1
WM/Year : 1992
WM/EncodingTime : 18446744s
WM/UniqueFileIdentifier: AMGa_id=R 53486;AMGp_id=P 3496;AMGt_id=T 2009935
composer : Angus Young
publisher : Sony
genre : Rock
album : AC/DC Live
album_artist : AC/DC
WM/Provider : AMG
WM/ProviderRating: 6
WM/ProviderStyle: Rock
track : 1
Duration: 00:06:34.70, start: 0.000000, bitrate: 987 kb/s
Stream #0:0: Audio: wmalossless (c[1][0][0] / 0x0163), 44100 Hz, stereo, s16, 984 kb/s
OR
Input #0, asf, from 'D:\ServerFolders\Musique\CD\Dream Theater\Awake\02-Caught in a Web.wma':
Metadata:
WMFSDKVersion : 10.00.00.4054
WMFSDKNeeded : 0.0.0.0000
IsVBR : 1
WM/Year : 1994
WM/EncodingTime : 59734771
WM/UniqueFileIdentifier: AMGa_id=R 204335;AMGp_id=P 17134;AMGt_id=T 2005565
composer : Dream Theater
publisher : Elektra
genre : Rock
album : Awake
album_artist : Dream Theater
WM/Provider : AMG
WM/ProviderRating: 7
WM/ProviderStyle: Rock
track : 2
title : Caught in a Web
artist : Dream Theater
Duration: 00:05:28.33, start: 0.000000, bitrate: 1029 kb/s
Stream #0:0: Audio: wmalossless (c[1][0][0] / 0x0163), 44100 Hz, stereo, s16, 1026 kb/s
regards.