[wdmaudiodev] Re: Multichannel audio device seen as stereo
- From: "bart@xxxxxxxxxxxxx" <bart@xxxxxxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Thu, 06 Nov 2003 14:37:17 +0100
> >Hi,
> >
> >I have a 8 channel audio device with a KS driver based on the msvad example
> >from the DDK. Some DVD players, like WinDVD and MaximusDVD, only give me
> >stereo output, others like PowerDVD and DirectDVD give me surround output
> >with the same driver. In both cases I see that KS gives me 8 channels, as
> >I requested in DataRangeIntersection but for some reason the players believe
> >it is only a stereo device. Does anybody has a clue what could cause this?
> >
> >
> >
> There are at least 2 ways of supporting more than 2 audio channels:
> multi device stereo or multi channel interleaved. Seems that your DVD
> player does not support multi channel interleaved.
>
I don't think this is the problem because WinDVD has a checkbox where it can
be forced to use DirectSound, and this is always multi channel interleaved. Also
could there be a problem with the phase when a player would use multi stereo.
Bart
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