I'm not sure, but perhaps your problem is related to the "realtime" mixing capabilities of WinMe. There is a thread on this topic on our old YahooGroups archive. http://groups.yahoo.com/group/wdmaudiodev/message/1228 If you don't have access to the old group already, please let me know. Best, Carsten > -----Original Message----- > From: wdmaudiodev-bounce@xxxxxxxxxxxxx=20 > [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Srinivasa Deevi > Sent: Mittwoch, 19. M=E4rz 2003 18:41 > To: wdmaudiodev@xxxxxxxxxxxxx > Subject: [wdmaudiodev] Why windows Me is different from Win98=20 > & Windows 2K/XP >=20 >=20 >=20 > Hi all >=20 > I have to modify the USB data that is coming from > microsoft USB audio driver and convert to different > format before sending to our device. The concept works > fine in Windows 98 and Windows 2K, XP with out any > problem . In case of windows Me , when the Transfer > buffer of URB request contains Zeros always . If I > don't touch the data buffer in URB then I can see some > data coming out of Iso pipe . Did anybody see the > similar problem . And I don't see any problem when I > am sending the data up through Iso IN pipe. The > problem occurs only on Iso OUT pipe .=20 >=20 > Are there any restrictions on sending data on Iso OUT > pipe in Windows ME ?=20 >=20 > Any ideas how to solve this problem ?=20 >=20 > Thanks in advance. > Sri. >=20 > __________________________________________________ > Do you Yahoo!? > Yahoo! Platinum - Watch CBS' NCAA March Madness, live on your desktop! > http://platinum.yahoo.com > ****************** >=20 > WDMAUDIODEV addresses: > Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx > Subscribe: =20 > mailto:wdmaudiodev-request@xxxxxxxxxxxxx?> subject=3Dsubscribe >=20 > Unsubscribe: =20 > mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=3Dunsubscribe > Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx >=20 > URL to WDMAUDIODEV page: > http://www.wdmaudiodev.de/ >=20 ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/