Guitar USB Rakarrack Audacity - recorded sound not altered [SOLVED]

Ubuntu 20.04
Audacity 3.0.2 installed via “sudo apt install audacity”

Problem: I’m trying to record guitar through a USB connection (Bheringer UM2) into rakarrack software and then to audacity. I get altered sound from output speakers (correctly) from rakarrack. BUT, what gets recorded by Audacity is raw (i.e. unaltered) guitar sound. I WANT TO RECORD THE ALTERED SOUND COMING FROM RAKARRACK!!!

See the attached for screenshots and explanation of connections.

This all worked before I upgraded to Ubuntu 20.04 a while back.

I look forward to comments/suggestions.

Jim Stokes, Guelph, Ontario, Canada
Raw Sound Problem.pdf (223 KB)

  1. Start Jack and rakarrack first and check it is working.
  2. Then launch Audacity.
  3. In Audacity’s “Device Toolbar” https://manual.audacityteam.org/man/device_toolbar.html select “Jack Audio System” as the “host”, and rakarrack as the recording input. (Leave the playback device set to “System”).

Tip: Ensure that Audacity’s “Project Rate” (lower left corner of the main screen) matches the sample rate in QJackCtl.

Thanks for the suggestion, but…

The only ‘host’ I can select is ALSA; there is no option for Jack Audio System (and no other options, for that matter).

Project Rate and Sample Rates are the same 44100.

Thanks and I look forward to more suggestions.

Jim.

According to this page: Ubuntu – Package Search Results -- audacity
The Ubuntu 20.04 apt package is Audacity 2.3.3.

Thank you, I’ll give 2.4.2 a try. Can you tell me how to install thus version?

Thanks, Jim

I tried the instructions at:

https://ubuntuhandbook.org/index.php/2020/09/audacity-2-4-2-ppa-for-ubuntu-20-04-18-04/


But it loaded version 3.2.0, not 2.4.2

I tried the website quoted previously several times, including a full uninstall. Every install leads to version 3.2.0.

I do not know how to install a tar version using CMake. If possible, please provide instructions or a link to detailed instructions.

Thanks, Jim.

Maybe you’ve added a PPA to your apt sources.

I don’t believe there are any other installs.

I used the instructions at: https://wiki.audacityteam.org/wiki/Building_On_Linux


I finally managed to compile version 2.4.2, but got a couple of errors. The result is executable, but there are no choices for host nor for inputs or outputs from Audacity.

The errors are:

– Using ‘lv2’ local library
– Checking for module ‘QtGui >= 4.4.0’
– No package ‘QtGui’ found
– Checking for module ‘Qt5Widgets >= 5.1.0’
– No package ‘Qt5Widgets’ found


Any suggestions for fixing these?

Thanks, Jim.

You shouldn’t need to build Audacity from source.

What do you get if you run this in a terminal window?

apt-cache policy audacity

Thank you Steve,


I tried: apt-cache policy audacity
and it told me that 3.2.0 was installed. I purged that and now get:

audacity:
Installed: (none)
Candidate: 2.3.3-1build1
Version table:
2.3.3-1build1 500
500 http://ca.archive.ubuntu.com/ubuntu focal/universe amd64 Packages


see below, compiled and installed BUT STILL NO CHOICES WITH REGARD TO RECORDING HOST OR INPUTS/OUTPUT - ALL GRAYED OUT!!!

THANKS FOR YOU CONTINUED HELP.

Jim.


\


I have compiled 2.4.2 with the following results (which look good):

jim@jim-23-f329:~/Downloads/Audacity2.4.2/audacity-minsrc-2.4.2/build$ cmake -S /home/jim/Downloads/Audacity2.4.2/audacity-minsrc-2.4.2 -DCMAKE_BUILD_TYPE=Release -Daudacity_use_ffmpeg=loaded 
-- The ASM_NASM compiler identification is NASM
-- Found assembler: /usr/bin/nasm
-- Build Info:
--   Host System: Linux-5.15.0-53-generic
--   Host System Name: Linux
--   Host System Processor: x86_64
--   Host System Version: 5.15.0-53-generic
-- 
--   Compiler: /usr/bin/c++
--   Compiler Version: 9.4.0
--   Compiler Standard: 14
--   Compiler Standard Required: ON
--   Compiler Extensions: 
-- 
--   Current Commit: unknown
-- 
-- Building for 64-bit target
-- Building for 64-bit target
-- ========== Configuring wxwidgets ==========
-- Using 'wxwidgets' system library
-- ========== Configuring expat ==========
-- Using 'expat' system library
-- ========== Configuring lame ==========
-- Using 'lame' local library
-- ========== Configuring sndfile ==========
-- Using 'sndfile' local library
-- ========== Configuring soxr ==========
-- Using 'soxr' local library
-- ========== Configuring portaudio ==========
-- Using 'portaudio' local library
-- ========== Configuring ffmpeg ==========
-- Will dynamically load 'ffmpeg' library at runtime
-- Using 'ffmpeg' system includes
-- ========== Configuring id3tag ==========
-- Using 'id3tag' local library
-- ========== Configuring mad ==========
-- Using 'mad' local library
-- ========== Configuring nyquist ==========
-- Using 'nyquist' local library
-- ========== Configuring vamp ==========
-- Using 'vamp' system library
-- ========== Configuring ogg ==========
-- Using 'ogg' local library
-- ========== Configuring vorbis ==========
-- Using 'vorbis' local library
-- ========== Configuring flac ==========
-- Using 'flac' local library
-- ========== Configuring lv2 ==========
-- Using 'lv2' local library
-- ========== Configuring midi ==========
-- Using 'midi' local library
-- ========== Configuring portmixer ==========
-- Using 'portmixer' local library
-- ========== Configuring portsmf ==========
-- Using 'portsmf' local library
-- ========== Configuring sbsms ==========
-- Using 'sbsms' local library
-- ========== Configuring soundtouch ==========
-- Using 'soundtouch' local library
-- ========== Configuring twolame ==========
-- Using 'twolame' local library
-- ========== Configuring manual ==========
-- ========== Configuring images ==========
-- ========== Configuring locale ==========
-- ========== Configuring mod-null ==========
-- ========== Configuring mod-nyq-bench ==========
-- ========== Configuring mod-script-pipe ==========
-- ========== Configuring nyquist ==========
-- ========== Configuring plug-ins ==========
-- ========== Configuring Audacity ==========
-- Using precompiled headers
-- ========== Configuring minsrc ==========
-- Configuring done
-- Generating done
-- Build files have been written to: /home/jim/Downloads/Audacity2.4.2/audacity-minsrc-2.4.2/build

************************************************
jim@jim-23-f329:~/Downloads/Audacity2.4.2/audacity-minsrc-2.4.2/build$ sudo make install
[  5%] Built target locale
[  5%] Built target version
[  7%] Built target lame
[ 15%] Built target libsndfile
[ 16%] Built target libsoxr
[ 18%] Built target portaudio-v19
[ 20%] Built target libid3tag
[ 21%] Built target libmad
[ 40%] Built target libnyquist
[ 41%] Built target libogg
[ 44%] Built target libvorbis
[ 47%] Built target libflac
[ 47%] Built target suil_x11
[ 47%] Built target suil_qt5_in_gtk2
[ 47%] Built target suil_qt4_in_gtk2
[ 47%] Built target suil_qt5_in_gtk3
[ 48%] Built target suil_x11_in_gtk3
[ 48%] Built target suil_x11_in_gtk2
[ 51%] Built target lv2
[ 51%] Built target portmidi
[ 52%] Built target portmixer
[ 52%] Built target portsmf
[ 54%] Built target sbsms
[ 55%] Built target soundtouch
[ 57%] Built target twolame
[ 62%] Built target nyquist
[ 64%] Built target plug-ins
[100%] Built target Audacity
[100%] Built target mod-script-pipe
Install the project...
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-- Up-to-date: /usr/local/share/audacity//nyquist/seqmidi.lsp
-- Up-to-date: /usr/local/share/audacity//nyquist/stk.lsp
-- Up-to-date: /usr/local/share/audacity//nyquist/sndfnint.lsp
-- Up-to-date: /usr/local/share/audacity//plug-ins
-- Up-to-date: /usr/local/share/audacity//plug-ins/SpectralEditShelves.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/StudioFadeOut.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/sample-data-import.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/noisegate.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/limiter.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/crossfadetracks.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/pluck.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/beat.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/nyquist-plug-in-installer.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/adjustable-fade.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/rms.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/delay.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/rissetdrum.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/vocalrediso.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/SoundFinder.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/SilenceMarker.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/highpass.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/tremolo.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/rhythmtrack.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/spectral-delete.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/sample-data-export.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/lowpass.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/crossfadeclips.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/notch.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/SpectralEditParametricEQ.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/SpectralEditMulti.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/equalabel.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/clipfix.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/vocoder.ny
-- Up-to-date: /usr/local/share/audacity//plug-ins/eq-xml-to-txt-converter.ny
-- Up-to-date: /usr/local/bin/audacity
-- Up-to-date: /usr/local/lib/audacity
-- Up-to-date: /usr/local/lib/audacity/suil_x11.so
-- Up-to-date: /usr/local/lib/audacity/suil_qt5_in_gtk2.so
-- Up-to-date: /usr/local/lib/audacity/suil_x11_in_gtk3.so
-- Up-to-date: /usr/local/lib/audacity/suil_qt4_in_gtk2.so
-- Up-to-date: /usr/local/lib/audacity/suil_x11_in_gtk2.so
-- Up-to-date: /usr/local/lib/audacity/suil_qt5_in_gtk3.so
-- Up-to-date: /usr/local/share/applications/audacity.desktop
-- Up-to-date: /usr/local/share/doc/audacity/LICENSE.txt
-- Up-to-date: /usr/local/share/doc/audacity/README.txt
-- Up-to-date: /usr/local/share/mime/packages/audacity.xml
-- Up-to-date: /usr/local/share/audacity/EQDefaultCurves.xml

*******************************************************************8

Try removing all versions of Audacity (packages “audacity” and “audacity-data”) from your computer, then reboot the computer, then install Audacity with:

sudo apt install audacity

That “should” give you a working Audacity version 2.3.3.

Thanks again Steve.


So, I did asyou suggested and got this:

jim@jim-23-f329:~$ sudo apt install audacity
[sudo] password for jim:
Reading package lists… Done
Building dependency tree
Reading state information… Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help resolve the situation:

The following packages have unmet dependencies:
audacity : Depends: audacity-data (= 2.3.3-1build1) but 3.0.2-0build3~ubuntu20.04 is to be installed
E: Unable to correct problems, you have held broken packages.


SO, I went through the steps at: https://www.techbrown.com/fix-broken-packages-ubuntu-debian/

AND STILL GET THE SAME unmet dependencies problem.


Any more ideas? Much appreciated, by the way.

Thanks, Jim.

You must have a source enabled that has “3.0.2-0build3”, which is the wrong version for Ubuntu 20.04.

Make a copy of the file “/etc/apt/sources.list” and attach it to your reply. I’ll see if I can work out what’s wrong with it.

Steve.

I am unable to copy the sources.list file into this forum. I get an error message: Invalid file extension: sources.list

I saw elsewhere that you had suggested converting it to a text file, using: cp /etc/apt/sources.list ~/sources.txt
When I try to copy this sources.txt file into this forum, I get this error: File too large: sources.txt

I went through this process in an attempt to restore some defaults: https://www.geeksforgeeks.org/how-to-restore-default-repositories-in-ubuntu/


Now, when I run:

jim@jim-23-f329:~$ sudo apt install audacity
Reading package lists… Done
Building dependency tree
Reading state information… Done

No apt package “audacity”, but there is a snap with that name.
Try “snap install audacity”

E: Unable to locate package audacity


When I run:

jim@jim-23-f329:~$ sudo apt-get install audacity
Reading package lists… Done
Building dependency tree
Reading state information… Done

No apt package “audacity”, but there is a snap with that name.
Try “snap install audacity”

E: Unable to locate package audacity


I’ve attached the file list from sources.list.d at a png file, if that’s of any use.


I’m tempted to try a reinstallation of 20.04…

Any other suggestions?

Thanks again, Jim.

That should work. Did you try looking at the “sources.txt” file in a text editor?

You could just copy the /etc/apt/sources.list file with your file browser, then rename the copy as “sources.list.txt”.

Thanks again. Having copied the sources.list to sources.list.txt, and trying to open it with a text editor. It shows 0 bytes. No data shows up. When I tried to upload it to this forum, it was deemed too large. My guess is that it is a binary file that I cannot open and/or read.

I’m going to proceed with a reinstall of Ubuntu 20.04. What I am interested in knowing is whether or not an Audacity install will automatically be version 2.3.3, supposedly compatible with 20.04. Any thoughts?

Thanks again,
Jim.

No, it’s a plain text file, and it is essential for apt. It tells apt where to download packages from.

Maybe worth going for Ubuntu 22.04 (the current LTS version), though if you use Firefox, be aware that Ubuntu 22.04 uses a snap package version of Firefox which has an annoying issue that it nags you to update every couple of days (How to solve "Pending update of "firefox" snap. Close the app to avoid disruptions" error? - Ask Ubuntu)

Yes, if you install Audacity with apt on Ubuntu 20.04, it should install Audacity 2.3.3. Unfortunately that is not happening for you - it seems that your sources.list file may be messed up in some way.

(and yes Audacity 2.3.3 works well in Ubuntu 20.04 - I used it for a long while).

Thanks again Steve.

I installed Ubuntu 22.04. Audacity now is version 2.4.2 and has options for ALSA or Jack and also for Rakarrack.

Now just to figure out how to get Rakarrack to recognize my USB (Behringer UM2) input from the guitar. It is currently recognizing the built-in microphone and I need to redirect it to the USB input. If you have any suggestions on setup, probably of QJackctl, that may help, it would again be much appreciated.

But for the most part, problem solved by reinstall/new install of Ubuntu OS.

Thanks. Jim