[PlanetCCRMA] Using 2nd sound card for output

[Fritz Whittington]

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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:
>  =20
>> On or about 2007-11-13 13:04, Fernando Lopez-Lezcano pulled out a trus=
ty=20
>> #2 pencil and scribbled:
>>    =20
>>> On Tue, 2007-11-13 at 13:12 -0500, Roy Vestal wrote:
>>>  =20
>>>      =20
>>>> I have FC7 with Ardour2, JACK, etc. working well. I have a Delta 101=
0 as=20
>>>> well as an on board AC'97. The output to the AC'97 is not showing in=
=20
>>>> JACK, but it works with "play wav.wav" for example. Is there a way t=
o=20
>>>> get it so I can route the output of JACK apps (ardour2 for ex) to th=
e AC'97?
>>>>    =20
>>>>        =20
>>> Not really (unless you don't mind periodic clicks in the AC97 output)=
=2E
>>> If you want to use two cards they have to be in sync, that is, one ha=
s
>>> to be a slave to the other. Otherwise the sampling rate clocks will b=
e
>>> slightly off and one card will output samples faster than the other a=
nd
>>> eventually will have to skip a period so the other can catch up (ie: =
an
>>> xrun or click will happen).=20
>>>
>>> Does the AC97 onboard have an sp/dif output? If so you could perhaps
>>> slave the 1010 to it.=20
>>>  =20
>>>      =20
>> I'd be really happy if I could just get the AC97 to work as the only=20
>> sound card, since it's the only thing I have in the laptop.=20
>>
>> 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,=20
>> 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.=20
>
> -- 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=20
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.=20

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




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