Bob Ham wrote:
> Hi all, 
> 
> This is what I want to do: guitar into the line input on the live drive,
> that going into ardour, through a few ladspa effects, and out to the
> speakers.  I can't seem to do this.  The only way I seem to be able to
> get the input into ardour is to have it going through the speakers as
> well so that both the input and the ladspa-processed output can be
> heard.  I only want the ladspa-processed output.  Is this possible? 
> 
> I've had a search through the alsa-devel, alsa-user and ardour-devel
> archives, as well as the alsa wiki and a google search.  I am yet to be
> enlightened.  The SB-Live-mixer.txt is a probably a nice set of notes if
> you're a driver writer, but I'm not. 
> 
> 
>>name='Line LiveDrive Capture Volume',index=1
>>name='Line LiveDrive Capture Volume',index=1
>>
>>This control is used to attenuate samples from left and right I2S ADC
>>inputs (on the LiveDrive). The result samples are forwarded to the ADC
>>capture FIFO (thus to the standard capture PCM device).
> 
> 
> What's the ADC capture FIFO?  What's the standard capture PCM device? 
> What have these to do with recording from hw:0,0?  Why is it that ardour
> only seems to be able to hear the line input when I put up the volume on
> "Line LiveDrive" and not "Line LiveDrive Capture"?  What is the
> "Capture" device sitting in alsamixer?  What difference does the little
> red "Capture" make above the sliders in alsamixer? 
> 
> If it's not possible to this with only the sblive, I have the
> motherboard's "soundcard" as well but how do I get jackd to deal with
> more that one bit of hardware?  
> 
> I hope somebody can help as I'm utterly confused.
> 
> Bob
> 

Have a read of the arecord quicktoot

http://www.boosthardware.com/LAU/quicktoots

That will give you some info about using alsamixer correctly.

While you are there might as well read the ardour howto also which could 
(I hope) make things clearer for you. That's assuming you haven't done 
so already.


-- 
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
Http://www.boosthardware.com/LAU/guide/
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