[PlanetCCRMA] Using 2nd sound card for output

Sat Nov 17 09:53:03 2007

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Thanks to all of you for suggestions.  I have a stop-gap solution=20
installed now.  I found a distro called 64Studio at
http://64studio.com/
It's AMD64 (also have a 32-bit version) that is based on Debian.  An=20
hour after I downloaded it I had it installed and Rosegarden playing,=20
and sound actually came out of the speakers!  The only thing extra that=20
I had to do was to find a soundfont and install it.=20

It's pretty much dedicated to being a midi WS, so doesn't have all the=20
other usual Linux things.  But having it working, I can hopefully=20
install Fedora 8 and CCRMA and at least know what pieces have to be=20
installed, turned on, and interconnected.

On or about 2007-11-15 14:44, Roy Vestal pulled out a trusty #2 pencil=20
and scribbled:
> The AC'97 doesn't normally come with a MIDI port. I think you may have =

> to purchase one. For example a USB/MIDI box from M-Audio. Check with=20
> the alsa-project and make sure it's supported.
>
> Well, I've given you all the info I know! HTH  :)
>
> Fritz Whittington wrote:
>> On or about 2007-11-14 15:37, Fernando Lopez-Lezcano pulled out a=20
>> trusty #2 pencil and scribbled:
>>> On Wed, 2007-11-14 at 14:13 -0600, Fritz Whittington wrote:
>>> =20
>>>> On or about 2007-11-13 13:04, Fernando Lopez-Lezcano pulled out a=20
>>>> trusty #2 pencil and scribbled:
>>>>  =20
>>>>> On Tue, 2007-11-13 at 13:12 -0500, Roy Vestal wrote:
>>>>>      =20
>>>>>> I have FC7 with Ardour2, JACK, etc. working well. I have a Delta=20
>>>>>> 1010 as well as an on board AC'97. The output to the AC'97 is not =

>>>>>> showing in JACK, but it works with "play wav.wav" for example. Is =

>>>>>> there a way to get it so I can route the output of JACK apps=20
>>>>>> (ardour2 for ex) to the AC'97?
>>>>>>            =20
>>>>> Not really (unless you don't mind periodic clicks in the AC97=20
>>>>> output).
>>>>> If you want to use two cards they have to be in sync, that is, one =

>>>>> has
>>>>> to be a slave to the other. Otherwise the sampling rate clocks=20
>>>>> will be
>>>>> slightly off and one card will output samples faster than the=20
>>>>> other and
>>>>> eventually will have to skip a period so the other can catch up=20
>>>>> (ie: an
>>>>> xrun or click will happen).
>>>>> Does the AC97 onboard have an sp/dif output? If so you could perhap=
s
>>>>> slave the 1010 to it.        =20
>>>> I'd be really happy if I could just get the AC97 to work as the=20
>>>> only sound card, since it's the only thing I have in the laptop.
>>>> Can someone point me to a HOW-TO (for dummies) to get midi out of=20
>>>> the AC97?  (If I install plain vanilla Fedora 7, the sound card=20
>>>> works for everything except midi.  If I install PlanetCCRMA's=20
>>>> version of Fedora 7, even that stops working!)
>>>>    =20
>>>
>>> [I presume you meant to send to the list]
>>>
>>> Midi is just a control protocol, you don't get sound out of it. Most
>>> soundcards don't have a built-in synthesizer which responds to midi
>>> commands, which is probably what you mean. Other exotic operating
>>> systems use software synths to create sound when you send midi to the=

>>> "card". Linux is no different, you need to use a software synth to
>>> render your sounds in most cases. Packages like ZynAddSubFX, Amsynth,=

>>> etc, etc.
>>> -- Fernando
>>>  =20
>> Yes, I understand what MIDI is and that I need a software synthesizer =

>> to make sounds.  What I am looking for is a step-by-step installation =

>> how-to to make it all actually work.  I've Googled tons of docs, most =

>> of which apply to some other sound card, or to some other version of=20
>> Linux, or some earlier version of Fedora.
>
> _______________________________________________
> PlanetCCRMA mailing list
> PlanetCCRMA@ccrma.stanford.edu
> http://ccrma-mail.stanford.edu/mailman/listinfo/planetccrma
>

--=20
Fritz Whittington -- =C2=A9 2007 Fritz Whittington.  All rights Reserved.=

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