RE: [linux-audio-user] Re: [linux-audio-dev] RME Hammerfall DSP Cardbus+Multiface

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Subject: RE: [linux-audio-user] Re: [linux-audio-dev] RME Hammerfall DSP Cardbus+Multiface
From: Mark Knecht (
Date: Thu Dec 19 2002 - 18:11:24 EET

   Hi. Being this is Linux, I presume there is no documentation other than
the source code. I suspect you are, like me, not a programmer and thus have
a hard time with understanding how to set this stuff up? I sure do!

   In my case I am using jack, so I can control where the audio goes using
qjackconnect. I have managed to send and receive through many of my 26 I/Os,
but I have not tried all of them yet. If you can use jack (you might not)
then this is pretty easy.

   amixer is a bit of a mystery. Try a couple of things, like

amixer -h
amixer scontrols
amixer controls

I am very unclear how to actually _use_ this tool.


-----Original Message-----
[]On Behalf Of D. Sen
Sent: Thursday, December 19, 2002 4:51 AM
Subject: [linux-audio-user] Re: [linux-audio-dev] RME Hammerfall DSP

Hi Mark,

Thanks very much for your those hints. Do you have any idea (or where I
can find the documentation) on how to play through the SPDIF or ADAT ports?

Where is the matrix mixer controls (amixer) documented for these cards?


Mark Knecht wrote:

   Hi. I'm messing with similar things this evening. (And not doing
great, but not failing either.) I'm using a HDAP 9652, not the
Multiface, but it's the same driver I believe. The difference is I have
no 'headphone output'. Just 26 outputs.

   I'm in KDE. Inside of a Konquerer window, I have set the file
associations for wav and x-wave to be

aplay -device="plughw"

This seems to work all the time in a Konquerer window, but doesn't work
on a file just sitting on my desktop. Don't ask me why.

FYI#1 - make sure you don't have a blocking aplay sitting around. Do a

ps -aux | grep aplay

and make sure nothing is there.

FYI#2 - My headphones and main speakers are running off of playback_1 &

Good luck,

On Wed, 2002-12-18 at 20:29, D. Sen wrote:
/> Hi,/
/> /
/> I have just bought myself the Cardbus+Multiface RME system. I think I /
/> have finally gotten the alsa modules (snd-hammerfall-mem and snd-hdsp) /
/> to load correctly along with the OSS emulation modules. BUT I cant seem /
/> to play anything out of the Lineout/Headphone output. I have tried /
/> various 'amixer cset' commands but all I get is silence (trying to play /
/> a simple wav file using aplay)./
/> /
/> Any suggetsions?/
/> /

D. Sen, PhD
21 Woodmont Drive
NJ 07869
Home Email:   Tel: 973 216 2326
Work Email:       Web:

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