Tagged Questions

1
vote
2answers
210 views

Playing a MIDI keyboard without JACK / how to use JACK and PulseAudio/ALSA

So, I havea MIDI keyboard but I'm not really motivated to play when I have to set up JACK and everything else just to get one sound out of it. The problem is that whenever I start JACK I can't play ...
0
votes
0answers
42 views

Obscure and annoying audio problem

Short version: jackd is not able to obtain the microphone for some reason and i'm out of ideas. The annoying thing is it was working and now without any deliberate changes it doesn't. To elaborate a ...
0
votes
0answers
259 views

Help find correct alsa model for onboard sound (alc887?) that will work with jack and have correct mixer setup

I have a Gigabyte GA-MA74GMT-S2 motherboard. I am using Jack for sound - connected to ALSA. I am running Ubuntu 12.04. aplay -l reports card 0: SB [HDA ATI SB], device 0: ALC887 Analog [ALC887 ...
0
votes
1answer
155 views

What changed with timidity, alsa and jack in 11.10?

I (just) upgraded from 11.4 to 11.10 and noticed some differences in the behavior of timidity. I used to (11.4) exectute >timidity midifile.midi without running jackd, and thus using alsa (or ...
0
votes
0answers
174 views

microphones no longer working in jackd/qjackctl (11.10)

I had qjackctl working at one point, but it has mysteriously stopped. All I want to do (so far) is pipe microphone -> headphones through jackd. I know my mic and headphones are working correctly, as ...
0
votes
1answer
187 views

QJackCtl - Alsa Unknown driver

Here's my problem : I just have installed QJackCtl on my Ubuntu 12.04 and when I start Jack I got this issue : 12:01:22.769 /usr/local/bin/jackd -dalsa -dhw:0 -r44100 -p1024 -n3 -i1 -o2 Cannot ...
4
votes
2answers
6k views

Virtual MIDI Piano Keyboard setup

I installed Virtual MIDI Keyboard (vmpk) using apt-get install. I also have Jack control and Qsynth installed. When I open vmpk, I cannot hear the sound coming from it. How can I do the setting to let ...
5
votes
2answers
17k views

Using microphone input port as headphone output

I have one audio output jack and one audio input jack on my laptop. I want to use it for real time audio mixing, and I need to have another discrete output for headphones that is independent of the ...
2
votes
1answer
1k views

Jackd fails to start

I'm trying to have a setup where JACK interfaces directly to ALSA and pulseaudio communicates to JACK. This setup worked OK (I had to manually start things a few times) but as I understood the Ubuntu ...