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