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Ubuntu Multimedia :: How To Downgrade ALSA


I have a lenovo G555, and there are plenty of forum posts complaining about the headphones not playing or muting speakers etc. I found two fixes for this issue in ubuntu 10.04.

[Code]...


View 1 Replies (Posted: December 15th, 2010)

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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.

Posted: November 19th, 2010

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Posted: 17-Mar-2011 07:55

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Posted: 2011-05-05 19:43

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Posted: November 12th, 2010

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Ubuntu 10.04, 64 bit. Sound was working well, thought I would run some scripts [URL] to install the latest version of alsa, but now I have no sound at all. The command aplay -l gives:

aplay: device_list:223: no soundcards found...

and the command

cat /proc/asound/version
produces:
cat: /proc/asound/version: No such file or directory

I no longer have a directory /proc/asound.If I open the window system>preferences>sound

there are no entries under hardware or output.I have tried to re-install alsa with this command:

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but still no sound.

Posted: August 2nd, 2010

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Posted: February 14th, 2010

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Card is HDA ATI SB
Chip: IDT 92HD75B2X5

Posted: February 9th, 2010

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I'm having trouble after installing Lubuntu-desktop on top of a Ubuntu Server (64 bit). about the reason for this abomination of distributions is to achieve 64 bit Lubuntu. I used to run Ubuntu 64 straight, but didn't like Unity at all; Arch Linux was great up until now, but I'd like to settle down and focus more on productivity.

The situation is thus: I cannot manage to make my X-Fi USB sound card work without hacks, and at best it only works in some applications. I *think* it may be a bug in ALSA, but I had no problem in the latest versions of Ubuntu (11.04 as of this) and Xubuntu even (11.04?).

I can currently only play media in VLC media player using the following hack in my ~./asoundrc

Code:

This works as expected, but not for many applications (which fail to launch, with a error message related to below (no mixer controls))

Code:

What could I be missing? Some diagnostic information (any other information on request):

Code:

I also posted this question here: [url]

Posted: May 27th, 2011

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I recently converted an amd 64 bit WINdows machine to Lucid 64 bit. Everything has gone well. I had numerous issues with Pulseaudio that I removed it. Sound with Alsa has been great, including system theme sounds. I can record via a mike as well. What I cannot do is to capture sounds coming through the sound card. When I record I am getting empty files. The mixer indicates that there are two capture devices. Here is some data on my audio card.

**** List of PLAYBACK Hardware Devices ****
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[ALC888 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: ALC888 Digital
[ALC888 Digital]
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Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI
HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0

Posted: October 1st, 2010

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So I tried to install OSS to see if it would allow my mircophone to work properly in the WinXP guest I was running in VirtualBox. I couldn't get it to install properly so now I'm left without any sound on my system. I was wondering how I could get rid of what ever files from OSS that are left and reinstall ALSA. I'm running Ubuntu 9.10.

Posted: October 14th, 2010

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OSS, even though it's emulated *through* ALSA, consumes a microscopic fraction of straight ALSA's CPU usage. For example, when I'm playing something through ALSA with XMMS2, I'm getting about 25-30% CPU usage, but with OSS output, only 2%, tops. The same applies to any other application in which I can choose the output method. And, I'm on 10.04.

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Ubuntu Multimedia :: Replacing Failed OSS With ALSA
I tried to install OSS to see if it would allow my mircophone to work properly in the WinXP guest I was running in VirtualBox. I couldn't get it to install properly so now I'm left without any sound on my system. I was wondering how I could get rid of what ever files from OSS that are left and reinstall ALSA.I'm running Ubuntu 9.10.

Posted: April 22nd, 2010

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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".

Posted: August 24th, 2010

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Ubuntu Multimedia :: Speakers Not Working With ALSA?
I have an HP-dc5800 computer, and my internal speaker was not working, no matter what i did. However, i could get sound with headphones. Here is what i did to fix it. It may work for you.

sudo gedit /etc/modprobe.d/alsa-base.conf Add options snd-hda-intel model=hp-m4 enable_msi=1 to the end of the file. I changed model=hp-m4 to model=hp-dc5800. So, changing the model to the model of your computer may work. Underneath that, i put in; options snd-hda-intel enable=1 enable_msi=1 single_cmd=1 power_save_controller=1 here is a list of some of the models. http://www.kernel.org/doc/Documentat...dio-Models.txt

Posted: February 5th, 2010

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Ubuntu Multimedia :: Sound Not Working With ALSA
I was having a problem with ALSA, installed OSS, but now nothing works. I want to remove OSS, and reinstall ALSA. I am thinking about reinstalling, but I have all my stuff on here, so don't really want to.

Posted: November 5th, 2010

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My audio was working just fine up until today, when I was working on some audio production stuff. I did QjackCtl, and also ran pulse-jack so I could use another app not in jack. Now, upon a boot up, there is no gnome-volume-control-applet or gnome-volume-control running. When I run gnome-volume-control it says there is no sound device (without Jack running). When I do it with Jack and Pulseaudio running (doing QjackCtl and pulse-jack), gnome-volume-control shows info about jack, but no hardware. I have sound, I just can't affect it volume-wise, etc. When I run pacmd I get this:

$ pacmd
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Posted: August 2nd, 2010

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Ubuntu Multimedia :: Alsa Works - But Not Pulse
This is a fresh install of 10.10 (although I had the problem on 10.04 as well). I have installed MythTV on here (via apt-get, its not MythBuntu), and use the system primarily for that. Myth works great, sound in everything, no problems.

However, not much else can play sound. Firefox (.....), totem, mplayer, all nothing. Either just no sound or crash. If I can set them to use Alsa (eg: VLC), then they work.

System is an Asus P5B and on-board sound. I've also got an Nvidia GT210 and would like to use the HDMI out, but can't get anything at all to go through this. Don't know if thats related or not. Sound problems existed before adding the GT210.

One strange thing is, I can go into Preferences -> Sound -> Hardware and click "Test Speakers". Of course nothing plays. However, if I then set the onboard card to "Off", and then back to "Analogue Stereo Duplex", then click "Test Speakers", the left speaker works (right is still silent). But from then on, Pulse apps can play sound, until next reboot. Having FF open on a ..... video or something similar prevents Myth from playing sounds however.

What can I do to get sound working sanely? I don't need optical out, surround or anything. Simple stereo will be fine at this point, via either the onboard or the GT210.

Posted: January 27th, 2011

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Ubuntu Multimedia :: Redirecting ALSA Over JACK 10.4 - 3
I finally ditched PulseAudio and set up my system with a realtime kernel. I'm redirecting ALSA over JACK. The good: - Awesome, I can get <5ms latency without any xruns! (although 23.2 msec as described below is just fine for me) The bad: - I'm a long-time linux audio user, but have got some minor issues which spoil the fun.

1. Without pulseaudio, the indicator applet refuses to show a volume control applet. The old gnome-volume-control-applet (the one with tooltip!) loads but doesn't show in the gnome-panel. Although I can set the volume with envy24control, it's not quite as practical as using the scrollwheel! Any way to fix this?

2. When I launching any application (such as a terminal) from the gnome-panel, a new JACK connection is created, but not cleaned up after closing the application. As a result, the QJackCtl connection list is flooded with alsa-jack.jackP.8528.xx connections (where 8528 is the process ID of gnome-panel). The jack_lsp command line program shows the same (added spaces after every : to get around the smiley filter):

[Code].....

Posted: September 9th, 2010

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Ubuntu Multimedia :: Keep ALSA Drivers Working?
Running songbird, have been just fine for months, now every time I try to play a file I get "autoaudiosink and alsasink are missing." I can cure this by following the "Getting the ALSA drivers from a *fresh* kernel" instructions in the comprehensive sound solutions guide. But I have to do this *every time* I restart my computer. How can I fix this permanently?

Posted: January 9th, 2010

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Ubuntu Multimedia :: Midi With Alsa Oss Emulation And Pulseaudio?
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.

Posted: 09-15-2010, 06:32 AM

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Ubuntu Multimedia :: ALSA Not Detecting Soundcard On Reboot?
I'm having a rather peculiar problem with sound in Ubuntu 10.04. Specifically, every time I reboot I run through a cycle of sorts:

A). Sound is working fine. Reboot

B). No sound. "aplay -l" returns "no card found". Additionally, the hibernate and suspend buttons are missing from the shutdown menu and restart acts as log out, immediately returning me to the log in screen (sudo reboot in console works). I try to fix the problem by the following commands:

Code:

$sudo apt-get --purge remove linux-sound-base alsa-base alsa-utils
$sudo apt-get install linux-sound-base alsa-base alsa-utils
$sudo reboot

C). After rebooting sound works normally again and I get the following:

Code:

aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: VT1828S Analog [VT1828S Analog]
Subdevices: 2/2

[code]...

I have "linux-backports-modules-alsa-lucid-generic" installed. I have been experiencing problems with audio since I bought this M/B, but with 9.10 things were stable and with my previous 10.04 installation bearable. Now, however, I practically can't work. I have to run the aforementioned routine every time I reboot. Additionally, I don't if it is relevant, but the problems started after I installed the audio drivers in Windows (another royal mess, but at least now it's stable and it works)

Posted: July 9th, 2010

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Ubuntu Multimedia :: Saving Alsa Mixer Settings?
how to save my settings in Gnome-Alsa mixer. Everytime I restart I have to go in and set everything Is there a save I'm missing?

Posted: December 25th, 2010

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Ubuntu Multimedia :: Cant Find Alsa From Audio Preferences
The problem is that banshee mutes sound for other apps like flash, the solution is to select alsa for the devices in audio preferences... but don't have that in the list, only "internal audio analog stereo".

This wasn't a problem until i made some updates and got broken sound, to fix it i used the AlsaUpgrade script. I'm using Ubuntu 10.04 by the way.

Posted: September 9th, 2010

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