Re: Hi Jim, Audiophile 2496 trials

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Hi Peter,

I would like to be able to output from this card on both the analog and
s/pdif outputs from vlc, hydrogen and/or Ardour. Is this possible? Some
forums suggest to get rid of Pulseaudio but perhaps I didn't understand
this because if you choose to remove Pulseaudio with the package-manager
Fedora will suggest to remove a large part of your software.

Jack seems to be suggested for any professional work. By using the two
scripts from your website would the outputs of the m2496 be better (both
active)?

M_Audio has a third party that offers Linux support for $50 (4Front) and
they use a OSS software. I would like to keep as much to the direction
Fedora offers its users. I have broken installs before so third party
solutions do make me feel uneasy.

I have not found much information on Pulseaudio and the future
possibilities with the ICE1712 chipset. Would you recommend other cards
or is this card a good choice?

Namaste,

Kevin Tough


On Thu, 2011-02-03 at 16:12 +0000, Peter Nelson wrote:
> 
> On Thu, 2011-02-03 at 16:36 +0100, Kevin Tough wrote:
> > 
> > *** List of PLAYBACK Hardware Devices ****
> > card 0: Intel [HDA Intel], device 0: ALC888 Analog [ALC888 Analog]
> > 	Subdevices: 1/1
> > 	Subdevice #0: subdevice #0
> > card 1: M2496 [M Audio Audiophile 24/96], device 0: ICE1712 multi
> > [ICE1712 multi]
> > 	Subdevices: 1/1
> > 	Subdevice #0: subdevice #0
> > 
> > When I type the following command my DACs are working (Analog Outputs):
> > $ aplay -D plughw:1 /tmp/Track6.wav
> > 
> > The card number can also be M2496 or even 1,0. Now I know that the
> > analog outs work :-) The negative part is that the s/pdif output then
> > does not work.
> 
> The 'trick' to avoiding problems with the device numbering changing is
> to use "M2496" instead of "0" or "1", i.e. hw:M2496.
> 
> > If I drop the 'plug' in front of hw the 'Playing WAVE...' line comes and
> > then also 'aplay: set_params:1053: Sample format not available Available
> > formats: -S32_LE
> 
> ICE1712 cards only accept one sample format, and also only 10 channel
> output / 12 channel input (yes, no simple 2 channel stereo, really), so
> for most purposes you will have to use default:M2496 or plughw:M2496.
> 
> > If I use Vlc and with my Fedora 13 play music through the S/PDIF outputs
> > of the card the aplay command returns 'aplay: main:654: audio open
> > error: Device or resource busy.
> 
> spdif:M2496 should work on these, but probably not if anything else is
> accessing the rest of device at the same time. On an M2496, s/pdif is on
> channels 9/10 of the 10 channel output and 12 channel input (channels
> 11/12 on the input are monitors of the output), which is quite useful
> for JACK; less so for simple programs that assume stereo...
> 
> Peter.
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