[wdmaudiodev] I need to use my driver instead of wdmaud.drv

Hi, All! I have written audio installable driver and very specific "hardware" 
audio driver. I want to use my installable driver instead of wdmaud.drv, but OS 
Windows (2000+SP4, XP+SP2) not uses my driver! What specific requirements exist 
for audio installable drivers? This is my inf file:
-----<BEGIN
[Version]
Signature="$CHICAGO$"
Class=MEDIA
ClassGUID={4d36e96c-e325-11ce-bfc1-08002be10318}
Provider=%Provider%
DriverVer=9/18/2009,1.0.0.0

[DestinationDirs]
mysys.CopyList = 10,system32\drivers
mydrv.CopyList = 10,system32

[SourceDisksNames]
1 = %DiskId1%

[SourceDisksFiles]
my_aud.sys  = 1
my_drv.drv  = 1

[Manufacturer]
%MfgName% = models

[models]
%DeviceDesc%=mydevice, USB\VID_XXXX&PID_XXXX&MI_XX

[mydevice]
CopyFiles=mysys.CopyList, mydrv.CopyList
AddReg = mydevice.AddReg

[mydevice.Services]
Addservice = my_aud, 0x00000002, my_Service

[my_Service]
DisplayName    = %MY_SDesc%
ServiceType    = 1
StartType      = 3
ErrorControl   = 1
ServiceBinary  = %10%\system32\drivers\my_aud.sys
LoadOrderGroup = Extended Base

[mysys.CopyList]
my_aud.sys

[mydrv.CopyList]
my_drv.drv

[mydevice.AddReg]
HKR,Drivers,SubClasses,,"wave,mixer"
HKR,Drivers\wave\my_drv.drv,Driver,,my_drv.drv
HKR,Drivers\wave\my_drv.drv,Description,,%DeviceDesc%
HKR,Drivers\mixer\my_drv.drv,Driver,,my_drv.drv
HKR,Drivers\mixer\my_drv.drv,Description,,%DeviceDesc%

[Strings]
...
----->END
My "hardware" driver installs and works through DeviceIoControl well. However, 
Windows not sees my installable driver, and I can't to use waveAPI!
-- 
Igor Galchuk <ingvio@xxxxxxxxxxx>
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