Ubuntu Multimedia :: NO Sound - NO Device - Dummy Output Stereo

May 6, 2010

I have updated my Ubuntu to Lucid 10.04 from 9.10.

Although my sound disappeared in 9.10 only, I thought maybe upgrading might help, but there is no change.

I guess everything is installed fine.

But still aplay -l command shows "NO sound cards.. "

Moreover the sound preferences shows no hardware, no input and a dummy stereo output.

I have banged my head a lot trying various things written in forums and all but no success.

One more thing : When I test "osstest" , I get sound in both the earphones , but altogether there is no sound. I am very much confused.

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Ubuntu Multimedia :: Dummy Output / No Sound Card Recognized?

Feb 11, 2011

Sound used to work fine on my computer, but one day my headphone jack stopped working -- when I tried to use it, no sound played through the headphones but did play through the computer's speakers.After I tried to fix it, I lost ALL sound on my computer. I noticed in my sound preferences it says "Dummy Output" and no other hardware.The problem seems common -- I've Googled the issue to death and read many threads here about the same problem -- but no matter how many times I've tried, I can't find a solution that works for me.I'm relatively new to Ubuntu and so there's still a great deal of stuff that

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OpenSUSE Multimedia :: No Sound, Only Dummy Output In Pulse?

Jun 10, 2010

I am running openSUSE 11.2 with an hda-intel sound card (dell latitude d830) in x64. Pulseaudio is only giving me a "dummy" sound card, even though volume in the yast sound configuration works. Volume is definitely not muted.Here is the requested info:alsa-info.sh:[URL]

:~> rpm -qa '*alsa*'


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Software :: Audio Output Device Changes To 'dummy Output'?

Mar 27, 2010

I finally got audio working on my ubuntu 9.10 desktop... now I am having sound issues watching movies from a network share.The sound device continually randomly changes to "dummy output device" and then there is no sound output. The sound icon dissapears on the toolbar. To get it back and audio to start working I have to $sudo alsa force-reloadIt seems to happen everytime there is a network delay, the movie will stop for a second and then when it plays the sound is gone

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Ubuntu Multimedia :: When Click On Perference Then Sounds And Go To The Output Selection It Has Only Dummy Output As A Option?

Apr 29, 2010

I cant seem to get the sound working and when I click on perference then sounds and go to the output selection it has only dummy output as a option.

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Ubuntu Multimedia :: No Sound Output But Device Shows Up In Sound Prefs?

May 8, 2011

I have a fresh install of Natty and i'm having some issues getting sound to work. My laptop has a built in sound card which works just fine. However, i also have a usb 5.1 sound card which isn't working at all. Both devices show up in 'Sound Preferences' but when i select the 5.1 device as the output device sound doesnt work. I ran the alsa-info.sh script and the output can be found here.

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Debian Multimedia :: No SoundCard / Dummy Output - Jessie 8.3

Feb 12, 2016

I have no more sound on my debian. The only audio output I can find is the "dummy output".

When I try ask to aplay -l to display my sound cards, here's the output :

Code: Select alldevice_list:268: aucune carte son n'a été trouvée... <=> french for "no sound card found"

But I can still see my card(s) using lspci :

Code: Select all00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
   Subsystem: Toshiba America Info Systems Device fa49
   Flags: fast devsel, IRQ 255
   Memory at f7a14000 (64-bit, non-prefetchable) [disabled] [size=16K]
   Capabilities: [50] Power Management version 2

[Code] ....

I already updated the system, reinstalled pulseaudio and alsa without any success.

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Ubuntu Multimedia :: Optical Output Stereo Only / Why Is So?

Jul 26, 2011

Ubuntu 11.04, with Myth 0.24 and XBMC 10.1. Hardware is an Asus P8H67-M Pro mobo which I bought specifically because it boasts an optical output, which I need to send 5.1 sound to my receiver.

My plan is to set up MythTV for watching TV, and have it send stereo sound directly to the TV via HDMI. This part is working fine.

And then set up XBMC to play my collection of ripped and recorded video, with the sound always going via optical spdif to the receiver. I did have this working on a prototype (different mobo) but now I have my "final" hardware I can't get this bit to go.

The issue seems to be that the OS is only seeing the Optical output as a stereo device - for example if I go System Settings - Sound I can see two hardware devices - "Digital Stereo HDMI" and "Digital Stereo Duplex (IEC95"

I'm new to this area of Linux, so would really appreciate some pointers - I've spent the last couple of hours reading immensely long threads and not getting any wiser! code...

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Ubuntu Multimedia :: Cannot Select Digital Stereo Output On Nvidia Audio

Jul 27, 2010

I've done a search on google and on here regarding my issue and I couldn't see anything.

I have the following audio device;

00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
At the moment I have it playing through Analog Stereo Output. (See attached image)

The sound is mostly flawless and I haven't been having troubles with it.

But, because I play audio through my logitech speakers (2 speakers, 1 subwoofer) I should be able to get digital stereo sound shouldn't I?

From the drop down box of the attached image there are two options for Digital Stereo;

Digital Stereo Duplex IEC958
Digital Stereo IEC958 Output + Analog Stereo Input

None of them work for me. Even if I do a restart, I get no sound from Rhythmbox or Firefox.

I use the pulseaudio sound server and I have the PulseAudio device chooser installed. When I had the Digital Stereo Duplex IEC958 selected I used the Volume Meter playback to see if there was any sound coming through. Both left and right showed activity but nothing came through the speakers.

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Ubuntu Multimedia :: No Sound From Stereo Receiver / Get That?

Mar 18, 2011

Bought a new yamaha receiver and have it hooked up to my pc via a y connector on headphone out.

problem: computer speakers work fine when connected to the same audio output described above. when connecting the audio out to my stereo receiver, there is no sound.

the receiver indicates that it is not receiving a signal.

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Ubuntu Multimedia :: Sound From Laptop Speakers And Stereo

Feb 14, 2010

Until recently, when connected my laptop to the stereo via audio out, i had sound coming only from the stereo. I don't know why and when exactly this happened, but now when the stereo is connected, i get sound from the laptop speakers and stereo speakers simultaneously.Is this a bug? I'd like to mute only my laptop speakers but haven't figured out how. I've tried every setting in "sound" or "audio" or whatever it's called in english, but to no avail.Any ideas how to turn off the laptop speakers?

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Ubuntu Multimedia :: Only Getting Stereo Sound Out While Running XBMC?

Jun 10, 2010

Alright, the lifehacker article about this Acer machine got me interested in revisiting XBMC as a media center. I bought the AR1600-U910H from Newegg and have been struggling for a couple of weeks to get it working correctly. I opted to install a full Ubuntu desktop to utilize the hardware fully with a standalone version of XBMC. I am currently running Lucid with NVIDIA 256.25 (was running 195 series) driver. Switched to 256 because I heard it fixes the no multi-channel output problem. However, sadly I can't get multi-channel out to work. I have the HDMI output going through my Onkyo TX-SR608 receiver for both audio and video. My problem is I can only get stereo sound out while running XBMC (or any application for that matter).

I've upgraded Alsa to 1.0.23. I've installed new Beta 256.25 NVIDIA driver. I've configured Alsa about 28 different times. I'm at my wits end. So, my question is - does anybody having a similar setup with the ION chip (or the Acer Aspire Revo in particular) where they can succesfully get HDMI digital audio pass through to a receiver (or at least digital multi channel out)? The best I've gotten is 2 channel audio, which doesn't do a lot of good on a 5.1 setup. If I would have known getting multichannel audio would be so difficult I would have rethought starting this endeavor. I don't care if I have to do a fresh reinstall of everything - if that means a different version Ubuntu so be it.

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Ubuntu Multimedia :: Surround Sound Works As Stereo?

Nov 13, 2010

I just got a 5.1 Surround sound system and set it up. I found that it was only working as stereo, though (That is, only the two frontal speakers were producing any sound). I made sure everything was not muted in alsamixer and checked that the hardware was set to 5.1 in the Sound Preferences Hardware tab.

I'm using Ubuntu 10.10 64bit and my sound card is an onboard Intel DG41TY, Realtek ALC888VC codec.

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Ubuntu Multimedia :: ATI Radeon 4670 Only Offers Stereo Sound Through HDMI

Sep 9, 2010

I bought this Radeon 4670 [URL] to improve my video. Although the description on ATI-AMD webpage [URL] specifies that this card can output up to 7.1 audio through HDMI, Sound Controls only shows the stereo and off option. ATI Catalyst does not have any controls for audio. Is there a way to get 5.1 audio enabled? Using 10.04.

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Ubuntu Multimedia :: Nvidia GT210 Sound Only In Stereo And Couldn't Get It Working In XBMC

Jun 7, 2011

I am at the end of my tether in trying to get sound setup on my Ubuntu installation. I have tried many different 'fixes' that people have suggested, but none seem to work!

My setup is as follows:
> HP Proliant Microserver
> Ubuntu 10.10
> Zotac GT210 card
> HDMI from GFX card to AV amp
> 5GB Ram

What I want to be able to do is:

> Play music from FLAC files I have ripped in either stereo or sudo 5.1
> Play DVD iso files that I have ripped in the audio format found on the original discs (DTS etc)

I have managed to get sound working before, but only in stereo and I couldn't get it working in XBMC (not the sound from the main movie I chose anyway). I have since completely broken the sound after trying various things found on the interweb and cannot get it back.


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Ubuntu Multimedia :: Sound Output - Get HDMI Audio Output To My TV

Jan 25, 2011

Running 10.10 and win 7 on my HP dv6-2150us laptop and I'm having a few issues.

First how do I get HDMI audio output to my TV? I think I have just a integrated Intel graphics card. It works fine in windows but I can't seem to get it to work in Ubuntu. I tried searching but couldn't find anything pertaining to this issue.

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Ubuntu Multimedia :: Ubuntu Won't Let Stereo USB Microphone Record In Stereo

May 19, 2011

I'm using a CAD u37 usb condenser microphone for some semi-pro voiceover work. My clients insist on stereo audio. On my windows machine, my mic works just fine, but it's not in very very good place for recording (a bit too echoey). So I thought I'd use my netbook running ubuntu.I can plug my mic in, and it does record sound, but there is no available sound profile that allows me to just have two-channels of input. Can I install a driver or edit a file somewhere that lets me have stereo input?

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General :: How To Create Dummy Input Device

Mar 19, 2009

Long story short - on my laptop, touch pad is recognised as PS/2 mouse. Everything works (moving, clicking, dragging, vertical scroll). But I often accidental click the pad while typing.Synaptic driver recognises it as ALPS glide point it seems (synclient -m 1 gives me back only x,y difference for the gestures, but X,Y coordinates are always 0,0) - so then I get everything right including disabling mouse on keyboard input - but scrolling doesn't work So I came up with 2 possible ideas - which I don't know how to do/test:1. Perhaps there is a way to disable mouse input while typing without synaptics drivers?2. Create a dummy input device (mouse), and tie synaptics driver to it. Add another input device in xorg.conf to point to the real touch pad as PS/2. And make the synaptics disable "real mouse" by enabling GuestMouseOff option.

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Hardware :: Webcam 'dummy' Device Can Only Be Read By Mplayer

Aug 13, 2009

I'm playing a little bit with OpenCV but the webcam that i have on my desktop isn't app-friendly... so i could not get it working with OpenCV, it's a 0ac8:301b Z-Star Microelectronics Corp. ZC0301 WebCam and it worked out of the box with Cheese and after a little bit of tweak i get it working with camorama also.But some apps, like Skype and OpenCV demos doesn't work, believe me, i tried everything to get it working, i tried even upgrading to a very new kernel.

So i had the idea to create a "virtual" video device and using some app that can read the wcam i could print the wcam's output on such device, which should be compatible and app-friendly, so i would use that device always.

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Ubuntu Multimedia :: Change The Sound To The USB Headset (sound Output) The Webcam Does Not Work In Skype

Jun 21, 2010

I am using a USB headset and a logitech QuickCam Pro 4000 with Ubuntu 10.04

1. When I change the sound to internal sound the webcam works in Skype but I have not sound.
2. When I change the sound to the USB headset (sound output) the webcam does not work in Skype.

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OpenSUSE Hardware :: Error - VLC Failed To Re-initialize Your Sound Output Device

Jul 8, 2010

my sound works when i boot up but as soon as i play a couple of files with VLC video or audio it doesn't matter the sound stops and comes up with an error saying: ALSA version problem:VLC failed to re-initialize your sound output device. Please update alsa-lib to version 1.0.22 or higher to fix this issue.Potential ALSA version problem:VLC failed to initialize your sound output device (if any).Please update alsa-lib to version 1.0.23-2-g8d80d5f or higher to try to fix this issue. I found latest version on net and installed and yast said install fail version already installed my sound device is HDA Intel (ALC C880 Analog)

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Hardware :: Quadro FX570 - HDMI Not Listed As Output Device (therefore No Sound?

Mar 26, 2011

I have a HP 8510w which I attached to a sony tv via hdmi. picture is great but no sound. checked and in sound preferences, hdmi is not listed as a possible output device for sound. searched the net but couldnt find a solution. here some info:

root@gre-HP8510w:/home/gre# uname -a
Linux gre-HP8510w 2.6.35-28-generic #49-Ubuntu SMP Tue Mar 1 14:39:03 UTC 2011 x86_64 GNU/Linux


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Ubuntu Multimedia :: VLC Always Changes The Output Device

Jul 23, 2011

I am using a sound card with the C-media CMI8788 chip. This card has both analog and digital outputs, which Linux sees as two different output devices.

The Problem I am having with VLC is that it always changes the output device in its settings to analog. I constantly have to be going into VLC advanced settings and picking Alsa: Digital for the output.

After that the sound outputs fine.

This only happens with VLC. All other programs on my pc output sound perfectly fine. I am using Lucid.

How can I set the default to be the digital output?

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Ubuntu :: Getting Stereo Sound From Single Speaker?

Jan 30, 2011

So, I've got an Acer 5742G, and the silly thing is only built with one internal speaker. Ubuntu thinks it's my left channel, however Windows 7 'gets it' and plays both channels to that speaker.When I plug in external speakers or headphones, everything works fine.

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Ubuntu / Apple :: Got Stereo Sound On MacBook Pro 8,3

May 19, 2011

I have a MacBook Pro 8,3 w/ Natty installed on it and noticed on the wiki [URL]... it says sound only comes out of the right speaker. I just want to share that I got stereo sound on my machine by adding `options snd-hda-intel model=mbp55' to the end of `/etc/modprobe.d/alsa-base.conf' and rebooting. I didn't see a solution anywhere else. I haven't done extensive testing, I just know that now I have sound coming out both speakers (and headphone speakers) at balanced volume levels.

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Ubuntu :: How To Enable MONO Sound Instead Of Stereo?

May 19, 2011

Kinda like sleep timers, this technology has been around longer than dirt as a basic option on TVs, radios and other electronics, and yet why is it so hard to find these options in the modern OS? So far on Google I've seen this question asked repeatedly as far as 4 years ago. Haven't come across an answer...How to enable mono sound instead of stereo?

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Ubuntu Multimedia :: Input But No Output On Firewire Device?

Jun 11, 2011

I'm using FFADO on JACK in order to use my firewire device (M-Audio Profire 610) and I seem to have the opposite issue as others who have similar problems. Everything starts up fine, and I can record audio into Ardour using my inputs, but I can't get any output from any of my 8 line outs.

I've checked the connections using QjackCtl, and I tried to route audio from another program (Audacious) but I can't seem to pull audio out of the device (or the computer won't send my device audio?).

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Ubuntu Multimedia :: Can't Output 5.1 Sound In 10.4?

Aug 22, 2010

As title suggest I can't output 5.1 sound with Ubuntu 10.4 which I nevere faced in earlier version like any 9.04 or 8.10,8.04 etc etc.I came from 9.04 to 10.4 and noticed that sound preference has changed which earlier have Windows XP Like long sound panel.My Board is Intel 945GTP which have 3 jack

Green=>Sound Output =>Front 2 channel
Pink=>Mic In =>Center Sub
Blue=>Line In =>Rear Channel


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Ubuntu Multimedia :: No Sound Output With 10.04

Sep 29, 2010

I have a brand new pc Running with core i3 and gigabyte H55 S2 motherboard.My problem is the sound output not come with ubuntu 10.04.

Here is my alas info [url]

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Slackware - 13.1 "VLC Failed To Initialize Sound Output Device" If Opened After Firefox

Aug 7, 2010

I've been having a recurring problem on Slackware64 13.1. If I open VLC (or any other media player available for Slackware) before I open Firefox, then my sound works 100% and there's never any problem, however, if I open Firefox first, and there happens to be a flash video loading, then any other media player (mplayer-plugin, Amarok or VLC) will fail to play sound. VLC tells me:

Quote: Potential ALSA version problem: VLC failed to initialize your sound output device (if any). update alsa-lib to version 1.0.24 or higher to try to fix this issue. Now, I'm happy to do that if it will actually fix the problem, though I'll have to figure out how seeing as I'm something of a n00b. The thing is that I've not really done anything to alsa except run alsaconf on my first boot, so I'm not sure if that's really the problem I've been using Slackware64 for a few months now, I'm on my first ever install and for the most part I'm loving it. Been working through the little things that have been annoying me, and for the most part I've managed to find solutions either by reading the Slackbook, by browsing LQ or by doing a quick Google search. However, I can't seem to find any reference to this specific problem anywhere and I'm not sure what I should do.

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