[wdmaudiodev] [OFF-TOPIC] Re: USB default audio
- From: lagopian@xxxxxxxxxxxx
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Thu, 06 Mar 2003 08:07:43 -0700
Hi!,
sorry for the off-topic. I designed a multi-channel USB Audio device, and
it's enumerated correctly in Windows 2000. I'm trying to use usbaudio.sys,
but I couldn't find doumentation for this driver.
Any ideas/references/links/books ?
Thank you, regards.
Leonardo G. Agopian
leonardo@xxxxxxxxxxxxxx
John Brinkman writes:
>
> 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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