Ubuntu Multimedia :: Midi With Alsa Oss Emulation And Pulseaudio?
Sep 15, 2010
I'm under Ubuntu 8.04 LTS Hardy Heron using pulseaudio. I've got 2 soundcards : one internal AC97 7.1 without midi (card 0 in ALSA) and a PCI C-MEDIA 2.1 with OPL3 midi (card 3 in ALSA) I have sound in most ALSA or OSS applications with full 7.1 + 2.1 duplex. I have MIDI playback in any ALSA MIDI players (client 29:0 in ALSA).
I'm trying to run Final Doom for W95 on WINE with OSS driver. I have sound effects but no MIDI music. I tryed with padsp and aoss wrappers. I know I can use ALSA driver in wine or timidity, but I would rather use padsp + hardware MIDI if possible. How do I configure ALSA OSS emulation for MIDI playback and check that it's working ? I tryed playmidi but whatever I told it, it couldn't find any midi device.
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Feb 26, 2010
i am having a problem with skype that i wasn't having before, and afaik skype hasn't been upgraded recently, so something else presumably has changed.
because of driver issues i have to use an external usb audio interface to do voip. this interface is not connected to the pulseaudio server. i am able to connect it to jackd and it works fine for both audio in and out. however it no longer shows up in the list of sound devices available to skype. this used not to be the case. i have tried stopping and restarting skype, as well as unplugging and reattaching the interface. the interface does not show up in pulseaudio manager in the lists of devices.
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Nov 7, 2010
i am using ubuntu 10.04 lts "lucid lynx", and has been encountering problems with audio recently.
i found out for some reason that my system fails to produce sound through pulseaudio, especially when an application is using it (e.g audacious).
the details of the problem:
1. i am using the pulseaudio equalizer from the repository, and i set a program (e.g. audacious) to use pulseaudio so that i can activate the equalizer.
2. while playing, all of my other applications lose the ability to produce any sound, and changing back to alsa during playback (which is using pulseaudio) in audacious indicates that the device is busy. examples include the loss of sound while playing a video from videos.
rough breakdown of what i want to (be able to) do: have sound for all applications using it, for example being able to play a video in videos from my browser and play music in audacious simultaneously.
is there a workaround for this? i'd like to think that there is, but so far my search returned nil.
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Jun 18, 2010
I am using a couple of Debian Distro (Sid and Lenny) add some Ubuntu into the mix. I made the switch because I was amazed and satisfied with Debian --> once installed, everything works. For me that's okay for o so many years now. I don't question a lot because it just works and I do my job on it satisfactorily. Namely programming the LAMP style programming. Lately I have been using Debian to communicate over the internet -- using Skype and Pidgin and other such things, not to mention listening to music, watching movies, just using the default applications when I originally install Debian.
Along the way, I need to configure something -- that is desktop related -- like the screen resolution of a new LCD monitor replacing the old one and such. Now about my sound -- I'm not touching it because it is working. But that is not the case always. Now I have a constant error -- it is irritating. Rhythmbox don't make a sound always when I have open a web browser (iceweasel, chrome, epiphany) and a site with multimedia object on it -- like a video or something. So how do I correct this? How do I know, too what I am using -- ALSA or Pulseaudio?
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May 22, 2011
I've had nothing but trouble with Pulseaudio in Fedora 14. I had managed to get rid of it in Fedora 10 with the command: su -c "yum remove alsa-plugins-pulseaudio pulseaudio" I just don't want to have to deal with Pulseaudio anymore. It does not like my sound card and gets in the way. Is there a Linux distribution that does not use Pulseaudio ?
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Jul 10, 2010
It was recommended to me that I remove pulseaudio and re-install alsa. All the howtos on reinstalling alsa had instructions for re-installing alsa from the source. Is it possible to re-install alsa from the repos? If so what are the necessary packages that I need to install, for a complete re-install of alsa?
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Dec 15, 2010
I spent a few days trying to make audio work on my TV connected via HDMI to a PC. The speaker test used by the sound preferences was dead, as was MPlayer. I managed to find a solution for MPlayer, giving the option "-ao alsa:device=hdmi", as specified in this article:So, basically ALSA can see all my devices. This is the output of aplay -l:Quote:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC1200 Analog [ALC1200 Analog]
Subdevices: 1/1
[code]...
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Nov 13, 2015
I'm having a problem all the sudden with amixer. set Master 5% used to control the pulse audio master volume. Suddenly, it will only raise and lower the headphone volume. Pulseaudio works, but I no longer have a master volume at all.
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Apr 29, 2011
I have recently acquired a Lenovo Q150 machine and attempting to use it as a HTPC. I've been reading that with this platform a newer kernel is required to make wireless, sound and a few other tweaks work correctly--so I bumped up to testing repositories to upgrade to the 2.6.38 kernel.[URL]...
The audio on this device has been more than a pain. I'm currently using XBMC to play media on this device and after setting the outputs to custom: plughw:1,9 sound is played correctly. I found this out by using alsamixer, selecting the sound card with the F6 key (Nvidia 1) unmutting all outputs, quiting, and running speaker-test -D plughw:1,X where X is the sub-device from the output of aplay -l until sound could be heard from the receiver.
Now my problem is that applications like mplayer, and iceweasel won't output any sound. I'd prefer not to use the optical out on the device and would like to send sound over HDMI. Has anyone had any luck getting it to work as it should?
I've also installed pulseaudio, not too sure if this is really needed. I've also used module assistant before upgrading to compile alsa from source, it worked but i just decided to upgrade the kernel instead of dealing with m-a every time an update comes through. Linux floppy 2.6.38-2-amd64 #1 SMP Thu Apr 7 04:28:07 UTC 2011 x86_64 GNU/Linux
apt-cache policy alsa-base
alsa-base:
Installed: 1.0.23+dfsg-2
Candidate: 1.0.23+dfsg-3
[Code]...
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Feb 15, 2010
I'm on Ubuntu9.10 with pulseaudio setup, everything works fine so far. But when I try to record my Desktop with xvidcap or recordmydesktop I'm unable to get the sound working.
xvidcap uses only OSS so I tried to setup the emulation by loading the kernel modules and adding the following lines to /etc/modules:
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
[Code].....
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Apr 15, 2010
Is it possible to rename a midi port in alsa? My USB midi keyboard defaults to:
Code:
Dir Device Name
IO hw:1,0,0 USB Axiom 61 MIDI 1
I hw:1,0,1 USB Axiom 61 MIDI 2
but I'd like to rename the ports to something more concise like:
Code:
Dir Device Name
IO hw:1,0,0 AxMIDI1
I hw:1,0,1 AxMIDI2
The reason is that I'm using a windows midi application through wine in Ubuntu Studio 9.10 and for some reason both ports get truncated to "USB Axiom 61" in winecfg (which means that the app cannot differentiate between input & output).
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Jul 30, 2011
I'm using XFCE with pulseaudio. I don't have a keyboard with dedicated multimedia keys. Getting to alsa to work with f1 f2 and f3 (mute, volume down, volume up) was easy. I want to use pulseaudio instead of alsa. What do I use for mute, volume up and down?
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Feb 15, 2011
Is there a way to just temporarily disable pulseaudio and use alsa instead?
Or run a program under alsa while letting pulse sit in the background?
I'm getting sick and tired of not being able to play any platinum games on wine...
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May 8, 2011
Regarding ALSA and PulseAudio - Explanation on how these two interact. After installing Debian I realised that my sound control (Volume Control: HDA Intel ALSA mixer) was different from what I had with Ubuntu where it would display a window called "Sound properties" in which allowed me to control the sound of each program running - I believe this is the PulseAudio aspect. (If I'm wrong at this point please correct me)
Now I have managed to get PulseAudio setup correctly for me (not as easily as Ubuntu but I moved to Debian to learn, not be spoon fed), however the way in which I did it may of been wrong - pretty much just went to synaptic and installed everything with PulseAudio in its name
Currently the sound icon in my top Gnome panel (within the notification area applet) has the ALSA mixer, sometimes when I log on it has the PulseAudio one (Sound preferences window), I don't really mind which one is loaded thanks to the PulseAudio Volume Control program (under Sound & Video). Is there a way though to stick with just one?
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Sep 22, 2010
I've recently switched to Debian Squeeze x64 from Kubuntu 10.04 x64. Overall, I like Debian.
I have one small problem: I play Runescape occasionally, which requires Java. On Kubuntu, I'd use Sun Java, however on Debian it just crashes.
So, I decided to use OpenJDK. Now OpenJDK works fine... But I can't get it to work with ALSA audio output. I installed PulseAudio, and that took care of -that- problem.
Now, currently I have both ALSA and PulseAudio installed. For playback, it works great. PulseAudio is a bit laggy, which isn't too noticeable in Runescape, and for things like media, it seems to work OK. For TF2, which I play through Wine however... No. So, I set that to ALSA, and -that- worked right.
Now comes my main problem: I can't get mic input. I'm trying to use Teamspeak 3(proprietary), and while audio output works, I can't get any input.
TS3 lets me use ALSA or Pulse(along with a couple more), but:
1. Selecting PulseAudio lets me select "SB Audigy Analog Mono", the same thing but a "monitor", and "Default Input Device". None of those work, I get "Error: could not open the selected capture device". On top of that, in the PulseAudio control panel, I get zero level on the monitor, making me think its not setup correctly.
2. Selecting ALSA gives me a whole list of options... But they appear to be audio -outputs-, not capture devices. Also, I get the same error as above.
When running "arecord -l", I get:
Of these, I believe the first one was what worked on Kubuntu. Now, of note is that I'm using my "Line in 2" port for capture; On my previous installations I'd simply set its volume with alsamixer and be done with it.
That all being said, I need a solution to one of these three problems:
1. How can I get OpenJDK to work with ALSA, and thereby remove PulseAudio; get everything standardized with ALSA like I had on Kubuntu, OR
2. How can I remove PulseAudio lag, and get the mic working with that, remove ALSA and get everything standardized with PulseAudio, OR
3. How can I simply make my mic work with the current setup?
Any of those will do. I just need to get my mic working.
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Jan 8, 2010
At one point, I thought I needed pulseaudio for sound, so I messed around with installing it, even though at the time I had ALSA installed. (suffice to say, I know very little about linux sound). Pulseaudio never did work, I removed it with aptitude. But now ALSA seems to reach to pulseaudio for some reason.
Code:
More confusing is that there are no "alsa" looking processes in ps -A. But apparently, the basics are there
Code:
There's only one thing in init.d that seems relevent to alsa:
Code:
But doing this does not help anything. Does anyone know what to do from here?
And because I'm curious, how come I get sound from Flash Player and Audacity with no problem?
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Aug 2, 2011
I just got the upgrade for the Linux Kernel version 2.6.40-4 on my Fedora 15 x86-64 box today, and the installation completed with no problems. However when I rebooted after doing the upgrade, I noticed that I had no sound. I use an ATI Radeon HD 4350 video card, and the opensource ATI driver, and use the HDMI audio from it for sound, since my monitor has a sound output jack on it. I've booted into the previous kernel (2.6.38.8-35), and sound works fine. I've tried with the new kernel in both KDE (my default desktop environment) and XFCE to get sound, and it does not work in either one. I've tried installing the VLC Phonon Backend instead of the GStreamer Backend, reinstalling Pulseaudio, reinstalling Alsa, modprobing the necessary modules needed for the card, checking all configurations with the available Pulseaudio tools (paprefs, pavumeter, pavucontrol), checked the volumes using alsamixer, and reinstalling the ALSA Pulseaudio plugin. After trying all of these, I can still get no sound out of any application, and I also noticed that Flash video plays at 2-3 times it's normal speed after the upgrade. Again, these problems do not occur on my previous kernel. Did I maybe overlook something, or can anyone else think of something I could try?
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Apr 28, 2011
I have an Intel HDA audio card, and would like to record both my soundcard output and my microphone input at the same time. Getting to record my soundcard output (aka "Stereo Mix" or "What-U-Hear") is impossible for my soundcard without using the PulseAudio monitor, so I've set that up. Now I can record either the PulseAudio monitor for my soundcard, or the microphone input, but I don't know how to record both at the same time.
Currently, my .asoundrc looks like this:
Code:
pcm.pulse {
type pulse
}
ctl.pulse {
[code]....
So now I can choose either "pulse" as an input channel in, for example, Audacity or RecordMyDesktop applications (and then set in the PA volume control the actual channel which I want recorded), or choose "pulse_monitor" or "pulse_mic", in order to record either the PA monitor or the microphone, respectively.
I've read through the ALSA plugins reference, as well as the Asym and Dmix pages on ALSA wiki, but I'm still not sure how to put this together. I figured there should be a way either to route the microphone input into the ALSA output, and thus make the PA monitor "hear" what I speak into the microphone, or to make a completely new channel with both ALSA output and microphone input as "slaves", and then use that for recording.
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Nov 19, 2010
I have recently been forced to do a hardware upgrade (my previous mobo died). Now, sounds works ok with,amarok because kde has recognized the new hardware and switched to it.
..... does not work, likely because flash uses alsa-oss which is probably not configured automatically. I have tried uninstalling and reinstalling both alsa-oss and flash, but it didn't solve the problem.
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Jul 31, 2011
I am building a midi synthesizer that I'd like to be able to control from linux. I know its a rather broad question, but, how do I go about this? At this point the hardware consists of a simple UART bridge, and I've already written a simple C++ program using termios to send the raw midi data to the device. Obviously I don't want to write a player/sequencer from scratch, so where should I start if I wanted to get this thing to work with, say, a sequencer like rosegarden? Do I write the driver for rosegarden, or hook into alsa or what?
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Mar 19, 2011
I have xorg configured to enable middle button emulation:
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
[code]...
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Jun 4, 2010
I have been researching this for a few days and I am getting nowhere. All I want to do is play midi files in Ubuntu 10.04 and also in Firefox. If I install, for ex. Rosegarden it will play the midi but without sound.I have timidity installed as well as mozplugger. From the start midis partially work in Totem, but the sound is far from right.
I never had this much of an issue with midi before, really starting to irritate me.Is this a pulseaudio issue? I really don't feel like playing around with jack either, never have luck with it. It seems that installing timidty should have allowed me to play midi files on my computer.
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Oct 10, 2010
Currently enjoying TuxGuitar, but I was wondering if there is a way to use some sort of Creative Commons drum kit samples instead of the current MIDI drums. Also would like to use some sort of synth or samples for guitars. I have looked for tutorials on this, but have not found anything yet.
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Mar 4, 2011
I installed a minimal Ubuntu install, and I can't get my MIDI to work. I have timidity installed, alsa-utils, freepats, jackd, and jackd2 installed. As for my sound card:
Code:
me@lappy486:~$ lspci | grep Audio
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
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Dec 30, 2010
I'm running Ubuntu 10.04 with the Kubuntu desktop environment. I'm trying to use my MIDI keyboard through ALSA, Linuxsampler and Qsampler. But I still haven't got a sound out of it, and I fear that the information about the existence of the keyboard doesn't get through. That, or I don't know how to configure properly.
In sndstat, both my sound card (Guitar Rig) and my keyboard (Hua Xing) is showing up:
Quote:
cerapter@Ancalagon:~$ cat /dev/sndstat
Sound Driver:3.8.1a-980706 (ALSA v1.0.21 emulation code)
Kernel: Linux Ancalagon 2.6.32-26-generic #48-Ubuntu SMP Wed Nov 24 10:14:11 UTC 2010 x86_64
Config options: 0
[Code].....
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Apr 25, 2011
I am looking for a software that would allow me to build rhythms, adding one percussion sound after another. Ideally, it should be possible to connect it to external MIDI device for recording and playing back the recorded notes.This would go something like this: I set up a rhythm, say, 4/4, and I hear metronome sound that hints about the pace. I have a percussion voice selected on my synth, and whenever I press a key on the keyboard, that sound is recorded on my PC, registering it's position in the pattern. PC is repeatedly playing back the recorded sequence, so I can enrich the beat with more and more instruments. When the job is done, I'd save the created sequence in MID file, and use it later.
I have installed Rosegarden on my Ubuntu, and it might well be that it has such mode that does exactly what I'm looking for, but since Rosegarden doesn't seem to have official forum (only newslist, but I am now reluctant to sign me up to just another newslist), I wanted to check in this forum, maybe someone knows right away. At least, I have succeeded playing MID files via Rosegarden to my synth,and recording from synth to the Rosegarden interface, and save the result in MID file.
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Feb 20, 2010
I have a problem playing MIDI files on my system: I tried opening two MIDI files in Audacious, VLC, Aqualung and Rhythmbox, and Rhythmbox is the only one that will play them:
- Audacious crashes when clicking on the file in the playlist (immediately disappears)
- Aqualung doesn't add them to its playlist
- VLC produces an error msg saying it can't play MIDI
- Rhythmbox plays a MIDI file and immediately crashes at its end
I'm on Ubuntu Karmic 64 and have timidity installed.
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Mar 27, 2010
I'm running Ubuntu 9.10 rt (realtime) kernel on a Dell box and trying to hook it up to a Yamaha P-80 keyboard. I'm not sure how to figure out what kind of MIDI cable I'm using. But I haven't been able to get the keyboard to play or write music on my Ubuntu or on Windows XP.
1.) How can I give you more information about my system?
2.) How can I test if it's working properly?
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Mar 27, 2010
I have a few things working now, so all I need to know is a good way to record the music you play from Virtual Keyboard. I've tried Audacity to do this, but it never works correctly.
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May 21, 2010
Question moved to the Studio area as I didn't know about it!
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