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Old 05-30-2017, 06:43 PM   #1
jkov
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Recording With Audacity and Edirol UA-25


Edirol not showing up in Audacity. Want to set up a mic to add a track to a guitar track. Could use all recommendations on this. Also can't find a Linux driver for the E. UA-25.
 
Old 05-31-2017, 02:45 PM   #2
jefro
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Hello and welcome to LQ.

http://alsa.opensrc.org/Edirol_UA-25 would suggest that the device may be supported to some degree.

Alsa is a way to use sound in linux generally versus pulse.

Think I'd start with using sound settings in Ubuntu to see what is available. https://wiki.ubuntu.com/Audio/Alsamixer

At this point I'm not totally sure if your device is being used properly via kernel driver or software control or simple selection of default audio.

Does any sound work? Are you saying that only Audacity if failing?
 
Old 05-31-2017, 05:04 PM   #3
jkov
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Got it to work. Tried a different mic. Now just need to get rid of the hiss on the guitar track.
 
Old 05-31-2017, 08:49 PM   #4
jefro
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Great.

Once in a while hiss is due to some setting too high. Could be some grounding issue. One of the guitar cables resting on floor touching computer? I notice Audacity does a crackle when loading a mp3 to native format.

Is there a switch for powered mic?
 
Old 06-01-2017, 05:23 PM   #5
Shadow_7
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Audacity has a noise remover. Select a short silent part and get profile, then select the entire track and remove. Under effects.

Otherwise a good mic and microphone preamp can lower that noise floor a lot. Beyond that levels and mic placement for optimum results.
 
Old 06-01-2017, 05:27 PM   #6
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The edirol ua-25 should use the snd-usb-audio driver and work fine.

$ cat /proc/asound/cards

There's an index number associated with a card to help you select the right one to record from or output to. By default index 0 is used unless otherwise changed (per application, or system defaults). Using .asoundrc to set the default works well enough. Or pavucontrol if using pulseaudio.
 
Old 06-02-2017, 02:41 PM   #7
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I think I know the issue. When recording and you have passthrough selected it will hiss on some systems.
 
  


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