Hardware :: ALSA - Play Music On Simultaneous 2 Sound Cards?
May 31, 2010
how can I play audio (Mythtv - Play Music) simultaneously on two sound cards using ALSA drivers. I have two cards working well. One card is an onboard Intel cards, and the other card is a USB Audio card. Both cards are working well. I use the onboard Intel to output SPDIF to an amplified. The second USB card is bound to MPD service and it outputs an analog signal to a second amplified. I'd like to have the following configuration: Play to the default card with 5.1 passthrough, while the second card, connected to a second amplifier, plays an analog signal to the same audio played by Mythtv Play Music. In other words, I need to mix somehow and play the same audio on both cards.
Here is the list of cards:
root@mythtv:~# aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
[code]...
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Dec 2, 2009
1. I run Suse 11.2 with two sound cards , one HDA comes with motherboard and second is USB, which I use for skype and talking. In YAST everything is fine the motherboard card is marked as prime card and the usb card is marked as second. But often when I log in alsa decides that second card is main and I have to pull out the USB card, run command "rcalsasound restart" and put the USB back afterward. It is a way that to be fixed in the way that alsa remember my choices forever. 2. The other problem is that from time to time the sound suddenly dies and I have to bring it up with rcalsasound restart again.
But I have to admit that their significant improvement with managing sound with PulseAudio.
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Jun 16, 2011
My sound stopped working.
Code:
$ aplay -l
aplay: device_list:240: no soundcards found...
But:
Code:
$ sudo aplay -l
**** List of PLAYBACK Hardware Devices ****
Home directory /home/georgii not ours.
card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Same with alsamixer:
Code:
$ alsamixer
cannot open mixer: No such file or directory
But:
$ sudo !!
shows me the mixer.
Anyway, the sound is just gone. When I do: .....
It says: "PulseAudio seems to have crashed. Do you wish to report a bug?", then crashes.
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May 13, 2011
I have no sound after upgrading to 11.04. Sound control panel and test speakers emits no sound. The new music player won't play sounds from music CDs either.
ALSA info is at: [url]
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Jul 12, 2010
I have fedora 11 install Code: Linux root 2.6.29.4-167.fc11.i686.PAE #1 SMP Wed May 27 17:28:22 EDT 2009 i686 i686 i386 GNU/Linux But sound is not able to come for listening music ,which alsa driver should i install
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Aug 24, 2010
I have Ubuntu Lucid. If i dont' mistake, it should be possible to hear several applications playing sound simultaneously, with ALSA. But if 1 app is already playing, then starting a second one give always "device is busy".
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Mar 1, 2011
I have an old Aureal Vortex 2 (by Diamond Multimedia) installed in my system (C2Q @3.4GHz, P35 motherboard), along with the on-board audio. I'm using my PCI sound card with my headphones and running everything else off of the onboard audio. Since it seems to have better sound, I would use it a lot more, but it skips like crazy whenever I try to play sound through ALSA. It sounds like something is sporadically dropping audio frames. The onboard audio works fine with ALSA.
I'm running Kubuntu 10.10 (2.6.35-25, gcc 4.4.5). I think it worked fine with earlier software, but I can't remember for sure. I've tried mplayer and kaffeine (xine backend). When using mplayer, the experimental openal works perfectly, but the advanced options for kaffeine are pitiful. I'm looking at switching video players (probably xbmc or a frontend for mplayer), but I assume I won't be able to completely avoid ALSA. I've done a quick search on google, but if there was anything useful, it was choked out by decade old discussions on getting the card to work at all.
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Jan 27, 2011
I've been having some issues with my sound card since I cannot play a sound with my current user. As a root user I can play sounds with "aplay" but as my regular user, I can't play anything
# aplay file.wav
ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
ALSA lib conf.c:4154:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
ALSA lib conf.c:4154:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
ALSA lib conf.c:4154:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4633:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2211:(snd_pcm_open_noupdate) Unknown PCM default
aplay: main:564: audio open error: No such file or directory
# sudo aplay file.wav
Playing WAVE 'file.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Mono
I have add my user to the audio group with no success
usermod -a -G audio myuser
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Jul 31, 2010
I'm having trouble getting ALSA to play multiple sound streams (multiple sounds at once). My code is running on an embedded ARM board using a AC97 sound. It will only play one without any mixing, I have to use pure ALSA as higher sound mixers are a nightmare to cross compile for ARM. I've tested my system with aplay for example
aplay -D plughw:0,1 bang.wav
works fine. So I tried dmix with
aplay -D plug:dmix Win.wav
That gave the following error
ALSA lib pcm_direct.c:1587snd_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)
aplay: main:550: audio open error: Invalid argument
I checked asound with
/etc # cat asound.conf
pcm.EP93XX {
type hw
[code]....
Does this mean dmix will not work? Is there someway with the above setup I can play multiple sounds? I have to use the vendor ALSA build (so can't update ALSA), I can change the .confs however. Also because I'm cross compiling things like pulseaudio SDL are very difficult to get working, so I basically need to use the above ALSA. Is there anyway I can find if dmix exists on the system?
Should add aplay -L does show dmix ?
iec958 'cards.pcm.iec958'
spdif 'cards.pcm.iec958'
[code]....
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Feb 7, 2011
Have a couple of very annoying problems. I recently did a re-install of Kubuntu Maverick on my HTPC/fileserver box.It has an onboard (Realtek?) audio card, recognized as... I think, ALC888... Yeah, not sure, KInfoCenter lists a bunch:ALSA Sequencer DeviceUSB 2881 Device ALSA Control Device (my DVB-T stick)ALSA Timer Device
HDA Intel ALSA hardware specific Device
ALC888 Analog ALSA Capture Device
ALC888 Analog ALSA Capture Device
[code]....
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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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May 20, 2010
iv bin haveing prbles with ubuntu lately ever since i first got it i have a sound probelm when i play this game it has sound but if i go on your tube and play music no sound comes out and it just make the vido lag and i have to force quit
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Jul 11, 2011
When I started-up my computer today, there were errors in the console-text that appears while the Debian Linux OS is loading. When I got to the desktop, I tried to play music, but no sound came-out.So, I tried to uninstall the plugins I installed yesterday and restarted. I got similar errors in the console-text as earlier.When my desktop loaded, I still had no sound. I have several problems with the entire sound architecture of the computer, and I've taken a screenshot to show my problems: Screenshot-8.jpg.Does anyone here know what I could/ should do to resolve this issue? my soundcards are Rocketfish (PCI) and Realtek HD Audio (Integrated). I got Realtek to work yesterday with OSS.
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May 18, 2011
I'm using Fedora 14 with wine installed and using that to run Spotify but I'm getting the error message-
'There is a problem with the sound decoder. Spotify can't play music'
I have done a search and installed the alsa bit of wine and changed the settings but I still get the above message.
My questions are- what does this mean and do I need to install something else. I have all the codes for mp3 etc.
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Jun 16, 2011
So, after an update my sound stopped working at all. Music won't even play on Banshee. I tried fixing this several ways with no luck. Now, my computer's sound output is stuck at "Dummy".
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Mar 7, 2010
Sound can play but music can't in the game "second life" and I'm using it on ubuntu. I don't know how to fix the problem or where to begin and I had asked a tech in that game and they said it might have to do with the firewall, but wouldn't help me out because I wasn't premium. The first sentence is the problem.
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Jul 11, 2011
I've been using Linux for about a week, now, and yesterday I finally got my audio to work. Before shutting-down yesterday, I installed some more audio-plugins. When I started-up my computer today, there were errors in the console-text that appears while the Debian Linux OS is loading. When I got to the desktop, I tried to play music, but no sound came-out. So, I tried to uninstall the plugins I installed yesterday and restarted. I got similar errors in the console-text as earlier. When my desktop loaded, I still had no sound. I had several problems with the entire sound architecture of the computer. I made some more changes in the application-download-manager-thingy and restarted and I no longer got the errors at boot-time.
Unfortunately, I still have absolutely no sound, and it appears as if ALSA is effectively dead. My soundcards are Rocketfish (PCI) and Realtek HD Audio (Integrated). I got Realtek to work yesterday with OSS.
Another problem is that WINE doesn't work, with the exception of WINE's default programs. I've been trying to get this thing to work for at least four days now, and I've made absolutely no progress...
Also, after fighting with it for a few days, I finally managed to get the internet to work, but Linux still thinks that I'm offline. It's really weird. This one's not so much of a problem as it is annoying. In addition, if I click-on the network-manager-thingy, it says that none of my connections have ever been used. Odd.
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Apr 7, 2010
I just got my hands on an MSI E7235-295US and slapped Ubuntu 9.10 on it. So far everything's worked great, but I am beginning to get a bit concerned about my sound quality. The laptop itself has 5 speakers + subwoofer so I should be getting 5.1 sound, if I understand things correctly (the newegg link should provide more details) and when I play anything (music, flash, videos, games, etc...) the sound comes out 'muffled'. Almost as if it is in a concert hall, maybe. I initially wondered if the problem is related to the 5 speakers and if the sound is initially only setup for two. If that is the case, nothing I've done has seemed to made any real difference. I've tried changing the master/pci channels, but it only hides it a little, and doesn't solve the problem.
This seemed to be on the right track, but the laptop is still really new and not listed in the alsa file.
Some info:
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
Subsystem: Micro-Star International Co., Ltd. Device 7220
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at f8ef8000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
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Jun 1, 2011
Each day I need to copy N files from a source location to a mirror at a specific time (where N is very large). Let's say I tell multiple CPUs to each run an rsync simultaneously on a subset of the files (network and disk bandwidth are not an issue). Ideally each CPU would be responsible for a disjoint subset of the N files, but in practice this is sometimes hard to guarantee. (Some of the source files might be "claimed" by more than one CPU.) As a result, sometimes rsync I and rsync J will both try to copy file F at the same time.
Using rsync -avz --delete --temp-dir=/tmp remote:/path/to/source/ /path/to/dest/, let's say rsyncs I and J both see this situation to start:
[Code]...
Now rsync J finishes copying but generates an error when it tries to move its version of FileB to /path/to/dest/ because there's already another FileB there that it didn't see when it started.
Does one of rsync's many options somehow handle this situation? Ideally I'd like an option that tells rsync, "Believe in yourself. You can do no wrong. Feel free to overwrite anything your little heart desires." so that it wouldn't complain about the FileB that has suddenly appeared mid-execution
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Jun 29, 2011
I can't seek music cause i can't find that little circular on music track bar. I update fedora but there was not any good news for rythmbox
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Apr 7, 2010
I've searched upon numerous links for a "fix" but they are either for older releases of fedora, or, I was able to make appropriate changes to the F12 KDE4 release such as the F11 how to fix pulseaudio and vlc guide in this forum
Problem: In order to get the sound to play on my system I have to go to PulseAudio Device Chooser and select default server,sink, etc. every login. I thought it was suppose to change it "permanently" , getting more specific here, when ever I play music in vlc I tend notice gaps/skips in my music very short skips .5 to 1 second sometimes 2 - 3, just now I was playing music flipping through some tracks then I am greeted with a nasty sound I cannot describe. Does anyone have a proper fix for this? Only result I came upon I have not tried yet was something with hda intel sound card and power settings, which feel will not work anyway
Here is my sound card: Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Also not to mention, I use to get pop-ups notifying me of pulseaudio device not being to be found and asked to forget this device
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Jan 9, 2011
I just replaced the ATI videocard by a NVIDIA GT430 videocard on my Slackware64 13.1 htpc and cant get the card to be detected by alsa so I have no sound through HDMI. Only the onboard devices are detected. Alsaconf does not see the card and the Kmix application does not see it either. Only lspci & cat /proc/asound/cards see it but seems not able to use it...I am using the stock slack64 13.1 kernel 2.6.33.4 and I've recompiled alsa from sources to version 1.0.23. What do I need to do to get this to work??aplay -l
Code:
**** List of PLAYBACK Hardware Devices ****
card 0: pcsp [pcsp], device 0: pcspeaker [pcsp]
[code]....
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Nov 5, 2010
I work for a company that uses Ubuntu exclusively. Without going too much into detail, we need a single sound-card to do up to 3 things at one time. What I mean by this, basically, is that there needs to be 3 instances listening to a card's line-in port at any one time. For example (these are made-up), Audacity listening to the line-in jack and making a recording of what it hears, a custom script that streams the input to the internet, and a third instance that listens to this input and runs different scripts based on what it hears.
Currently, our company sends out machines with 3 sound cards to do this. One card for each job. Of course, we'd like to save money and only send out one. Whenever we try to set all 3 programs to run off of one card, they error out and say something along the lines of "device already in use". Is there a way to go around this? If so, how? We use the command-line version of Ubuntu 8.04. It is NOT x64. The hardware may vary a bit, but is for the most part, consistent. (We order in batches of 50.)
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Jun 30, 2010
when I try to play music on amarok it just won't play, it just loads lyrics and then, nothing. on rytmbox everthing works fine but amarok don't work.
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Dec 18, 2009
how i can play a music with Canberra-gtk-play?because i had writedanberra-gtk-play -f musicfile but it does not play a music or maybe no sound is outed.
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Nov 5, 2009
I'm trying to figure out what in the world is going on with my sound in OpenSuSE. I put in a brand new Audigy chipset soundcard and finally got some sound to come out of the speakers. I used the guide here: SDB:AudioTroubleshooting - openSUSE. to fix the permissions on my sound and am able to get sound-test to play sounds as well as connect to the sound device in my vmware and play sounds. That being said, I have terrible sound quality coming out. There is a lot of static sound like white noise and the volume of the actual sound played is very low compared to the noise. The sounds also distort somewhat.
I have tried the pulse audio change in the tutorial above also and have been searching around google. The only problem that I saw similar was a person who fixed the problem by updating KDE. I don't have KDE, I'm using Afterstep.
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Aug 10, 2010
I recently had a brain cramp and told Phonon to forget my sound card(s). I have an on-board card and I have installed an old-school Sound Blaster CT-4832. I have followed the steps listed in the comprehensive sound trouble shooting, and still no luck!
Code:
gentle@Desktop:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC888 Analog [ALC888 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
[Code]...
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Nov 6, 2010
I have installed xubuntu version 10. My sound card is a Yamaha dS-1S, and seems to be properly configured. Alsa mixer doesn't indicates any error. However, I can't manage to get any sound. I have checked that jacks are correctly plugged.
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Mar 15, 2010
I'm running Kubuntu 9.10 X64, and am using ALSA for my sound. I have no trouble with sound: VLC, Adobe's Flash plugin, Java, etc. all work properly. When I run the Gnash standalone player, sound does not work at all.
When I run Gnash in a terminal, I get this:
Quote:
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Aug 31, 2010
I have a PXE server.I boot one PC (optiplex 740) with hda-nvidia Sigmatel STAC9200, i have sound.I boot a second one (optiplex 380) with hda-intel Realtek ALC259, can see mixers with alsamixer, the xmms graphs moves when playing music, but i don't hear any sound.
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