[Alsa-user] Help with getting Traktor Kontroller Z1 to work
I have the aforementioned Z1 card and it works juts fine in Ubuntu 18.04 under pulseaudio. But not via ALSA. Here are some details: boris@cencerro:~$ aplay -L default Playback/recording through the PulseAudio sound server sysdefault:CARD=Z1 Traktor Kontrol Z1, USB Audio Default Audio Device Testing via "speaker-test -Ddefault -c 2 -t wav" works well. However, "speaker-test -Dsysdefault:Z1 -c 2 -t wav" produces no sound. It does run (no errors) but no volume! I thought that maybe it was muted, so I went to the ALSA mixer but the mixer says "this sound device does not have any controls". The default device has controls. Note that the first test (-Ddefault) must be using the right card, since I plug in my earphones into the external (Z1) card for testing. As another tidbit of information, I have also attempted to use this card with mixxx. Mixxx can detect it just fine, and plays media without any warnings on the console (when run in the developer mode with extensive debugging log). However, again, there's no volume. This has been driving me crazy and is definitely far beyond my knowledge of the Linux soundsystem. Thank you in advance for any leads. Boris ___ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
Re: [Alsa-user] Help with getting Traktor Kontroller Z1 to work
Hi,
actually the pulseaudio sound server does use the ALSA driver to get
access to the audio interface. If pulseaudio has already grabbed the
audio interface via the ALSA driver, you first need to disable
pulseaudio, before other software can access the hardware
by the ALSA driver.
I can't help you with disabling pulseaudio on demand or how to use
other workarounds, since I either use ALSA directly or the jack sound
server. On my machine pulseaudio isn't installed at all.
The software you want to use seemingly supports jack:
[rocketmouse@archlinux ~]$ pacman -Si mixxx | grep s\ On
Depends On : chromaprint faad2 gperftools glu libid3tag libmad
libmp4v2 libshout lilv opusfile portaudio portmidi protobuf qt5-script
qt5-svg qt5-x11extras rubberband taglib upower wavpack
[rocketmouse@archlinux ~]$ pacman -Si portaudio | grep s\ On
Depends On : gcc-libs jack
Regards,
Ralf
--
pacman -Q linux{,-rt{-cornflower,-pussytoes,,-securityink}}|cut -d\ -f2
5.2.4.arch1-1
5.2_rt1-0
5.0.21_rt16-1
5.0.19_rt11-1
4.19.59_rt24-0
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