Did you notice that I was talking about SPDIF Digital IN not OUT.  (IN =
RECORD, OUT=PLAY).
Most cards can do Digital OUT for AC3 etc, but fewer can do Digital IN for
AC3 etc.
Cheers
James


> -----Original Message-----
> From: Takashi Iwai [mailto:[EMAIL PROTECTED]]
> Sent: 04 December 2001 10:52
> To: James Courtier-Dutton
> Cc: [EMAIL PROTECTED]
> Subject: Re: [Alsa-devel] linux sound card w/ digital output
>
>
> At Tue, 4 Dec 2001 10:24:51 -0000,
> James Courtier-Dutton wrote:
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of
> Takashi Iwai
> > > Sent: 04 December 2001 09:31
> > > To: Joshua Jacobs
> > > Cc: Dan Hollis; [EMAIL PROTECTED]
> > > Subject: Re: [Alsa-devel] linux sound card w/ digital output
> > >
> > >
> > > Hi Josh,
> > >
> > > At Mon, 03 Dec 2001 14:59:38 -0500,
> > > Joshua Jacobs wrote:
> > > >
> > > >
> > > > I had posted earlier about finding a sound card which supports
> > > toslink output
> > > > under linux.  It appears that Dan's page
> > > http://www.alsa-project.org/~goemon/
> > > > has been updated to include an entry on the Fortissimo II and
> > > it shows that
> > > > its toslink in and out are both supported.  Thanks for the update.
> > > >
> > > > I'm going ahead and buying a fortissimo II.
> > >
> > > Wait, wait..  ALSA cs46xx driver still does _NOT_ support digital i/o!
> > > And it seems difficult to support it in near future, too, since Cirrus
> > > Logic doesn't want to release their DSP info.
> > >
> > > AFAIK, TOSLINK output should work on the following drivers:
> > >
> > > - RME9652
> > > - RME96
> > > - ICE1712 (Envy24)
> > > - Emu10k1 (SB Live!)
> > > - Trident 4D DX/NX
> > > - YMFPCI
> > > - FM801
> > > - CM8738
> > >
> > > The lower is often cheaper.
> > >
> > > And if you want digial input, please check the card carefully.
> > > Some cards have only internal connectors although digital input is
> > > stated on the product box..
> > >
> > >
> > > ciao,
> > >
> > > Takashi
> > >
> > Another thing to watch for is there are two types of SPDIF in.
> > 1) SPDIF PCM Audio in. Recording normal stereo at different rates.
> > 2) SPDIF non-audio in. (AC3, DTS etc.)
> > The SB Live does (1) but NOT (2)
>
> Hmm, i'm not sure how is the current status of emu10k1, but ac3 output
> was once enabled..
>
> > I don't know the SPDIF capabilities of the other cards.
> > I need a sound card capable of (2), but don't know which ones work.
>
> The first three drivers support the non-audio data.  The ice1712 based
> cards have many variance, and the digital i/o is dependent on chipset,
> though.  But at least it's ok on M-Audio and TerraTec cards.
> (How about Hoontech DSP24??)
>
> The others, trident, ymfpci and cmipci drivers support non-audio
> digital, too.
>
> I don't know about fm801:  there is a switch "IEC958 Raw Data Playback
> Switch".  Is it for enabling non-audio data transfer or not involved
> at all?
>
>
> Takashi


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