[linux-audio-user] Last attemp at USB m-audio quattro.

timg at expressmart.com timg at expressmart.com
Sat Jan 22 15:12:13 EST 2005


Forst of all Thank you for your help.
but..
HMM failure...(output below)

Any ideas
jackstart/jackd -r 48000 -d alsa -d quattro

Gives me
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
jackd 0.99.0
Copyright 2001-2003 Paul Davis and others.
jackd comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details


creating alsa driver ...
quattro|quattro|4096|2|48000|0|0|nomon|swmeter|-|32bit
ALSA lib pcm_hw.c:1155:(snd_pcm_hw_open) open /dev/snd/pcmC2D2p failed: No
such device
ALSA lib pcm_hw.c:1155:(snd_pcm_hw_open) open /dev/snd/pcmC2D2c failed: No
such device
ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to
capture-only mode
cannot load driver module alsa
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
That device is there.. is it just invalid?

> I'll Try This when my child takes a mid-day sleep. ;)
>> Hallo,
>> timg at expressmart.com hat gesagt: // timg at expressmart.com wrote:
>>
>>> OK here we go ...;)Prom going to annoy several of you with this ;)
>>>
>>>
>>> -- OK guys and gals,
>>> Working on my USB quattro issue...
>>>
>>> My .asoundrc file looks like this...(thanks to the alsa page)
>>>
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> # quattro1 is pcm0 which has a maximum sample rate of 44100 and 16 bit
>>> stereo
>>>
>>>    	pcm.quattro1 {
>>>              	type hw
>>>                 card 0
>>> 		device 0
>>>      	}
>>>
>>
>> ...
>>
>>>
>>> ctl.q41 {
>>>         type hw;
>>>         card 0;
>>> }
>>>
>>> #----
>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> When I do cat /proc/asound/cards I get this.. (any way to kill that
>>> modem
>>> from showing up in alsa mixers)
>>>
>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> 0 [Modem          ]: ICH-MODEM - Intel 82801CA-ICH3 Modem
>>>                      Intel 82801CA-ICH3 Modem at 0x2400, irq 10
>>> 1 [I82801CAICH3   ]: ICH - Intel 82801CA-ICH3
>>>                      Intel 82801CA-ICH3 at 0x1c00, irq 10
>>> 2 [Quattro        ]: USB-Audio - USB Audio Quattro
>>>                      M Audio USB Audio Quattro at usb-00:1d.0-1, full
>>> speed
>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>
>>>
>>> My bigest dillema are ...
>>>
>>> 1> How exactly do I modify my .asoind rc file to hit the right hw
>>> devoce?
>>
>> Everywhere you find "card 0" or "hw:0" you need to replace this with
>> "card 2" or "hw:2". Do not touch the "device 0" stuff, though.
>>
>>> 2> how do I start jackd?
>>
>> For example:
>> $ jackstart/jackd -r 48000 -d alsa -d quattro
>>
>>> 3> How do start jackd in the other various modes?
>>
>> Replace "quattro" with the setup you want to use, e.g. "q4" or "q4b",
>> and "48000" with other samplerates, if you want to use higher rates.
>> Do not use 44100!
>>
>> Ciao
>> --
>>  Frank Barknecht                               _ ______footils.org__
>>
>
>
> --
> When asked the definition of "pi":
> The Mathematician:
>         Pi is the number expressing the relationship between the
>         circumference of a circle and its diameter.
> The Physicist:
>         Pi is 3.1415927, plus or minus 0.000000005.
> The Engineer:
>         Pi is about 3.
>
>


-- 
When asked the definition of "pi":
The Mathematician:
        Pi is the number expressing the relationship between the
        circumference of a circle and its diameter.
The Physicist:
        Pi is 3.1415927, plus or minus 0.000000005.
The Engineer:
        Pi is about 3.




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