Oh, I'm blushing :-( It turned out to be the goddamn 3.5 to 6.3 headphones adapter, which I bought brand new. As soon as I replaced it with an old one, that I already had, sound came out nicely. I think I spent 3 days in this troubleshooting process; fact is that everything (usb audio device, JACK, daw,...) is unexplored territory for me, so it is difficult to pinpoint the culprit. How can I mark this as solved? Roberto Carraro<div class="quote" style="line-height: 1.5"> -------- Messaggio originale -------- Oggetto: Re: [Jackaudio] Distorted sound out of JACK-consumed programs Da: Roberto Carraro <info@robertocarraro.com> A: jackaudio@lists.linuxaudio.org CC: <blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">So, I went a bit further in the troubleshooting process. I realized that Reaper autosaves .wav files of what's being played. While those files when played through the audio board (as output device) and with headphones are distorted, if I play them out of my pc speakers they come out nicely. Besides, Reaper can also use ALSA as input, not only JACK and the results are the same. So I may have to look elsewhere for my issue. Roberto On 2020-11-15 10:24, Roberto Carraro wrote: > Hello, > > I'm new to audio production in Linux, so apologies in advance if I > will use wrong terms and bad jargon. I'd like to record my guitars and > bass, but I've found a problem which I think it can be JACK-related. > I bought 2 USB audio interfaces, a 2-channel Behringer which I > returned and a Focusrite Solo 3rd gen, which I'm testing right now. > > The issue that I have is with the programs that use JACK, like > Guitarix and Reaper. It seems I can only get distorted sounds out of > them and both have JACK as input source. > Instead, Audacity, which lets me choose the hardware audio interface > directly, lets me hear the sound of my instrument just fine. > > What I've tried so far: > - my everyday Ubuntu 18.04 with low-latency patch: Guitarix and Reaper > distorted audio and Audacity just fine > - live AVlinux: Guitarix distorted audio and Audacity just fine > - live Ubuntu Studio: Guitarix distorted audio and Audacity just fine > > Can someone please help? What else can I try? > I'd like to stick with Ubuntu 18.04, as it is my main everyday desktop. > Thank you. > > Roberto > _______________________________________________ > JackAudio mailing list > JackAudio@lists.linuxaudio.org > https://lists.linuxaudio.org/listinfo/jackaudio _______________________________________________ JackAudio mailing list JackAudio@lists.linuxaudio.org https://lists.linuxaudio.org/listinfo/jackaudio </blockquote></div>