Re: alsa "Soundcard" support page on alsa-project.org

Re: alsa "Soundcard" support page on alsa-project.org

[Thomas Witzel]

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What needs to be done in order to improve the Audigy 2 support ? If there is 
anything that can be done by just implementing things that are not 
implemented because of lack in human resources then I wouldn't mind 
volunteering with some of my time.

									Thomas

On Wednesday 19 May 2004 06:24 pm, James Courtier-Dutton wrote:
> Would it be a good idea to keep this page more up to date.
> e.g.
> SB Audigy 2, but mention that it only works in 16bit 48Khz mode.
> Possible add the SB Audigy 2 ZS.
> Dell SB Live! Value.
>
> I keep getting people asking me if the Audigy 2 is supported, because it
> is not on the list.
>
> Also enter in the list a Red line for the SB Audigy LS. (Although that
> might change soon).
>
> Cheers
> James
>
>
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alsa "Soundcard" support page on alsa-project.org

[James Courtier-Dutton]

Would it be a good idea to keep this page more up to date.
e.g.
SB Audigy 2, but mention that it only works in 16bit 48Khz mode.
Possible add the SB Audigy 2 ZS.
Dell SB Live! Value.

I keep getting people asking me if the Audigy 2 is supported, because it 
is not on the list.

Also enter in the list a Red line for the SB Audigy LS. (Although that 
might change soon).

Cheers
James


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Audigy 2 support, was Re: alsa "Soundcard" support page on alsa-project.org

[James Courtier-Dutton]

Thomas Witzel wrote:
> What needs to be done in order to improve the Audigy 2 support ? If there is 
> anything that can be done by just implementing things that are not 
> implemented because of lack in human resources then I wouldn't mind 
> volunteering with some of my time.
> 

Getting some datasheets on how the Audigy 2 works.
More exactly, it has something called a P16V or P17 chip on the board 
that does all the 24bit 96khz audio stuff, and we know nothing about it, 
and so we can only do 48Khz 16bit, just like a SB Live. The SB Audigy2 
does has much better DACs than the SB Live, so their is some benefit in 
getting a SB Audigy 2, but currently not much.

We have been trying very hard to get Creative to release some 
datasheets, but things are taking a very long time.

So, if you have time, try to discover how the P16V chip works and tell us.

Cheers
James



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Re: Audigy 2 support, was Re: alsa "Soundcard" support page on alsa-project.org

[Thomas Witzel]

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On Wednesday 19 May 2004 08:56 pm, James Courtier-Dutton wrote:
> We have been trying very hard to get Creative to release some
> datasheets, but things are taking a very long time.
>
> So, if you have time, try to discover how the P16V chip works and tell us.

What would be a good starting point ? Is there any documentation at all ? I 
noticed that this so called kX project got it to work and they claim to have 
found out the name "P16V" from the driver at opensource.creative.com. But 
there is really nothing there.

											Thomas
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Re: Audigy 2 support, was Re: alsa "Soundcard" support page on alsa-project.org

[James Courtier-Dutton]

Thomas Witzel wrote:
> On Wednesday 19 May 2004 08:56 pm, James Courtier-Dutton wrote:
> 
>>>We have been trying very hard to get Creative to release some
>>>datasheets, but things are taking a very long time.
>>>
>>>So, if you have time, try to discover how the P16V chip works and tell us.
> 
> 
> What would be a good starting point ? Is there any documentation at all ? I 
> noticed that this so called kX project got it to work and they claim to have 
> found out the name "P16V" from the driver at opensource.creative.com. But 
> there is really nothing there.
> 
> 											Thomas

There is no documentation at all. It will be a real voyage of discovery!
The kX project has the datasheets under NDA, so they won't help us.

Some low level reverse engineering is required. Just like everyone else 
has had to do to get the current Creative SB Live and Audigy to work in 
Linux.
Getting that P16V chip working would let us actually use those 24bit 
codecs, instead of being limited to 16bit at the moment.

Cheers
James



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Re: Audigy 2 support, was Re: alsa "Soundcard" support page on alsa-project.org

[Peter Zubaj]

Hi,

AFAIK developer of kx project has informations from creative because 
he signed Creative NDA.

> What would be a good starting point ?
Maybe reverse engineering driver (from creative or kx) ??? Is this 
legal ??? 

> Is there any documentation at all ?
No.

Peter Zubaj

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Re: alsa "Soundcard" support page on alsa-project.org

[Patrick Shirkey]

James Courtier-Dutton wrote:
> Would it be a good idea to keep this page more up to date.
> e.g.
> SB Audigy 2, but mention that it only works in 16bit 48Khz mode.
> Possible add the SB Audigy 2 ZS.
> Dell SB Live! Value.
> 

Most people are kind enough to send a patch for newly supported cards.

> I keep getting people asking me if the Audigy 2 is supported, because it 
> is not on the list.
> 
> Also enter in the list a Red line for the SB Audigy LS. (Although that 
> might change soon).
> 

I'll look into it ASAP.


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