[LAU] Help getting sound from Cakewalk UA-25 EX to Ardour

Jeremy Jongepier jeremy at autostatic.com
Sun Mar 25 12:59:19 CEST 2018


On 03/22/2018 11:50 AM, Hernán Labbé Grünberg wrote:
> Hi everyone,
> 
> This is my first email to this list. Apologies in advance if I break any
> conventions I am unaware of.
> 
> I am a long-time musician, but just getting acquainted with audio in
> linux. I have a very simple goal of getting sound from a plugged
> instrument to my computer via a usb-interface, the Cakewalk UA25-EX,
> which I know works with linux.

Does the interface work with another computer or OS? Which input are you
using? Instruments should go into input 2 and if it's a stringed
instrument with a pickup and no preamp the Hi-Z button should be
activated. What kind of instrument are you using it with? Could you test
with something else like a microphone?

> So far the instrument's output is received by the interface, and the
> interface is recognized by the computer. I asked in the ardour forums on
> how to get ardour to recognize that the input for audio is the usb
> interface. They suggested <https://community.ardour.org/node/15577> I
> use ALSA instead of jack to connect to Ardour. The interface of Ardour
> allows me to select the Cakewalk interface as input and output, but when
> I play the instrument I see that while the interface gets the signal,
> the audio is not received by Ardour. If I change the input to my
> laptop's microphone, then I do get a signal. The problem, then, lies in
> the connection between the interface and Ardour (or the computer?)
> 
> I checked the Alsamixer levels and they are not at 0. The advice from
> the Ardour forum was to contact this mailing list, as I probably need
> some help checking the connection of the usb interface to the computer.

The interface is recognized by your OS and you can select it in Ardour
or Audacity so I don't think its a connection issue. It sounds more like
a setting on the interface itself. Or a defect but these are very sturdy
devices, I've got an UA-25 that I bought back in like 2005 and it still
works perfectly.

Jeremy

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