linuxaudio.org

On Mon, 21 May 2012 06:46:52 -0700,

"Len Ovens"  wrote :
> Yes hardware is best. Using envy24control or mudita24, go to the

quoted text
> patchbay tab and select "Digital Mix L" and "Digital Mix R" as your

> output to 1and 2 outputs. Then on the first tab "Monitor Inputs"

> unmute the track(s) you are using for mic in and set the levels where

> you want. Then goto the next tab "Monitor PCMs" and set the levels of

> the audio coming from the Ardour tracks you already have. That will

> setup your monitor mix. The ardour inputs will see the levels set by

> the analog volume controls

I haven't had much chance to continue with this setup since then.

Today I'm trying to monitor a hardware synth going through a LADSPA

echo effect, set in Ardour.  The echo would be used in such a way as an

integral part of the playing, and not jut as a cosmetic add-on.  Is it

possible to monitor the output of the Ardour synth track + the LADSPA

delay which is patched after Ardour's volume control for that track (I

also tried patched before it) ?  Ardour shows that there is signal

coming in.  Sounds go out only in playback mode.
Is it possible to monitor it w/o Ardour actively recording and with

Ardour recording ?  I have connected the track's L+R output to playback

3 and 4 using QJackCtl, but the envy24 VUs are not showing any signal.

Hmmmm... I reckon that it might be not so easy to picture the setup.
envy24 patchbay digital mix for both
envy24 monitor inputs 7+8 are hardware synth inputs, signal is shown,

audio is heard.
envy24 monitor PCMs are all very quiet, nothing.
Ardour's track gets capture 7 and 8.  LADSPA echo is added pre or

post.  Signal is shown in Ardour. No audio heard.  After recording, at

playback, audio is heard, shown on envy24 monitor PCM 1 and 2.
How can the signal with the echo added be heard w/o recording ?
Any hints/suggestions would be greatly appreciated !
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