[wdmaudiodev] Re: USB default audio
- From: "John Brinkman" <john@xxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Wed, 5 Mar 2003 20:46:43 -0800
My device uses the USB to interface with the computer but It does not
support the USB audio class standard and therefore does not use
usbaudio.sys.
The driver is a stream class miniport that exposes 2 channels of input and
2 channels of output.
-John
----- Original Message -----
From: "Mike Dey" <mdey@xxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Sent: Wednesday, March 05, 2003 5:37 PM
Subject: [wdmaudiodev] Re: USB default audio
>
> Hi John,
>
> I had "HKR,,SetupPreferredAudioDevices,3,00,00,00,00" in my inf too but it
> doesn't work on XP professional (not sure about SP1). Is your device a USB
> audio?
>
> Mike
> ----- Original Message -----
> From: "John Brinkman" <john@xxxxxxxxx>
> To: <wdmaudiodev@xxxxxxxxxxxxx>
> Sent: Wednesday, March 05, 2003 5:09 PM
> Subject: [wdmaudiodev] Re: USB default audio
>
>
> >
> > Hi Mike,
> >
> > I just tested my install on a "fresh" XP SP1 machine.
> > The computer's default audio device was an SB Live value.
> > After I installed my device the SB was still the preferred audio device
> and
> > therefore
> > I will assume that SetupPreferredAudioDevices functioned as documented.
> >
> > I use this directive syntax in my inf file:
> > HKR,,SetupPreferredAudioDevices,3,00,00,00,00
> >
> > I have this directive in both the 9x section and the .NT section of my
inf
> > file.
> >
> > Best Regards,
> > John
> >
> >
> > ----- Original Message -----
> > From: "Mike Dey" <mdey@xxxxxxxxx>
> > To: <wdmaudiodev@xxxxxxxxxxxxx>
> > Sent: Wednesday, March 05, 2003 4:35 PM
> > Subject: [wdmaudiodev] Re: USB default audio
> >
> >
> > >
> > > Hi John,
> > >
> > > I think that registry key only works for 98, not XP. Thanks anyway!
> > >
> > > Mike
> > > ----- Original Message -----
> > > From: "John Brinkman" <john@xxxxxxxxx>
> > > To: <wdmaudiodev@xxxxxxxxxxxxx>
> > > Sent: Wednesday, March 05, 2003 4:10 PM
> > > Subject: [wdmaudiodev] Re: USB default audio
> > >
> > >
> > > >
> > > > Hi Mike,
> > > >
> > > > I use this registry key: SetupPreferredAudioDevices
> > > >
> > > >
> > >
> >
>
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/stream/hh/s
> > > > tream/aud-prop_9zn7.asp
> > > >
> > > > -John
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Mike Dey" <mdey@xxxxxxxxx>
> > > > To: <wdmaudiodev@xxxxxxxxxxxxx>
> > > > Sent: Wednesday, March 05, 2003 3:05 PM
> > > > Subject: [wdmaudiodev] USB default audio
> > > >
> > > >
> > > > > Hi,
> > > > >
> > > > > We have a USB handset device which uses the default USB audio
> driver.
> > In
> > > > XP each time our handset is installed, it will become the default
> audio
> > > > device. Since it's not really a sound card, we don't want it to
become
> > the
> > > > default audio after installation. Does anyone know how to overwrite
> this
> > > > behavior in INF file during device installation? Thanks in advance!
> > > > >
> > > > > Mike
> > > > >
> > > > >
> > > > >
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