[PlanetCCRMA] Using 2nd sound card for output

[Fritz Whittington]

Thanks to all of you for suggestions.  I have a stop-gap solution 
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 
hour after I downloaded it I had it installed and Rosegarden playing, 
and sound actually came out of the speakers!  The only thing extra that 
I had to do was to find a soundfont and install it. 

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

On or about 2007-11-15 14:44, Roy Vestal pulled out a trusty #2 pencil 
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 
> 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 
>> trusty #2 pencil and scribbled:
>>> On Wed, 2007-11-14 at 14:13 -0600, Fritz Whittington wrote:
>>>  
>>>> On or about 2007-11-13 13:04, Fernando Lopez-Lezcano pulled out a 
>>>> trusty #2 pencil and scribbled:
>>>>   
>>>>> On Tue, 2007-11-13 at 13:12 -0500, Roy Vestal wrote:
>>>>>       
>>>>>> I have FC7 with Ardour2, JACK, etc. working well. I have a Delta 
>>>>>> 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 
>>>>>> (ardour2 for ex) to the AC'97?
>>>>>>             
>>>>> Not really (unless you don't mind periodic clicks in the AC97 
>>>>> 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 
>>>>> will be
>>>>> slightly off and one card will output samples faster than the 
>>>>> other and
>>>>> eventually will have to skip a period so the other can catch up 
>>>>> (ie: an
>>>>> xrun or click will happen).
>>>>> Does the AC97 onboard have an sp/dif output? If so you could perhaps
>>>>> slave the 1010 to it.         
>>>> I'd be really happy if I could just get the AC97 to work as the 
>>>> 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 
>>>> the AC97?  (If I install plain vanilla Fedora 7, the sound card 
>>>> works for everything except midi.  If I install PlanetCCRMA's 
>>>> version of Fedora 7, even that stops working!)
>>>>     
>>>
>>> [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
>>>   
>> 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 
>> Linux, or some earlier version of Fedora.
>
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>


-- 
Fritz Whittington -- © 2007 Fritz Whittington.  All rights Reserved.


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