The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system.

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1answer
673 views

HP Envy 15 Speakers Partially Working (Beats Audio)

Anybody have all 5 speakers (front l+r,rear l+r and woofer) working? Currently only the front two (front l+r) are working. I'm running a fresh install of 12.10. Headphones work fine though. Doesn't ...
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5answers
12k views

Audio not working in 12.10

I did a clean install of 12.10. When I open Sound Settings in gnome the only device in the list is "Dummy Output", and sound is not working. Sound worked fine out of the box in 12.04. I ran ...
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votes
5answers
12k views

How come my sound won't work on Lenovo ThinkPad x230?

I have a Lenovo ThinkPad x230 that I just purchased and installed Ubuntu 12.10 on it. There is no sound, how do I fix it? I checked that my volume is not muted. I also tried checking in alsamixer and ...
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1answer
3k views

No Soundcards found. Alsa disappeared?

My sound has disappeared on my Ubuntu Lucid machine. It was there yesterday. I think we took a power cycle overnight and so my pc had rebooted this morning. After compiling PJSUA (the pjsip ...
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2answers
203 views

Can an empty output for the command aplay -l in the terminal reflect a audio hardware damage?

The sound on my laptop is not working. I have Ubuntu 10.04 installed. I went through a lot of help over the Internet but nothing helped. Every forum has aplay -l followed by **** List of PLAYBACK ...
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1answer
3k views

ALSA samples capture: cannot open device

I'm quite new to Linux (Lubuntu 12.04 for sake of precision) and ALSA programming at all. I'm trying to write a C program to capture audio from internal PC microphone for processing it. So as first ...
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1answer
694 views

Why can't I access hw:1,0 until gstreamer-properties is run once?

Not necessarily an Ubuntu-specific question but I wasn't sure where else to ask. I have an AverMedia DVD EZMaker 7 which plugs into USB and works well on Ubuntu 12.04. I downloaded and installed the ...
4
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1answer
2k views

Enable Mic in Wine ? (Alsa/Pulseaudio)

I'm not able to make a mic work with wine-1.7.30 (the mic is the integrated mic in my pc and works fine with other applications ) I found some suggestions but they don't seem to work. Anyone manage ...
3
votes
1answer
1k views

Only root see soundcards with aplay -l

First of all I must warn you that I come from a failed upgrading from Ubuntu 11 to 12.04. Because (i guess) I used wdm instead of gdm. Infact wdm automatically closed during the upgrading and, ...
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0answers
40 views

Both Speakers and Headphone are giving Sound. How to fix it? [duplicate]

Possible Duplicate: Sound from both headphones and speakers I have tried many solutions but they are not working for me i have Hp Pavilion Dv6 -2150us I'm new on Ubuntu and linux . so I ...
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1answer
1k views

How to list arecords available formats

I built a tool that uses arecord, but now i noticed that it doesn't work on some computers, as the format isn't supported by that hardware, how can i see/list what formats thats supported? Arecords ...
3
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1answer
1k views

Ubuntu Audio Pitch Shifting filter

I'm currently developing a video player software which intended to be an embeedded player. I'm using Java with VLCJ library for the video player. What i'm looking is a way, something to transform the ...
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2answers
2k views

Sound static in VLC Ubuntu 12.04

When I set the audio output module to Pulseaudio, Audio memory, or Open Sound System, the sound works sometimes, but usually is very staticy. If I switch to Alsa, the sound works fine, but if I pause ...
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1answer
870 views

Apply LADSPA filter to only one channel of multichannel output with Alsa and PulseAudio

I want to apply a filter, specifically SWH's glame-bandpass-iir, to only one of several output channels. I'm still stumped after looking at the examples listed below. I'm quite sure that ...
2
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0answers
313 views

No bass on my laptop

A have a laptop (Acer) with two front speakers and subwoffer (Acer Tuba). After upgrading to 12.04 only front speakers are working, no sound from subwoffer. There is no 2.1 configuration on Sound ...
4
votes
1answer
3k views

pulseaudio and alsa on ubuntu 12.04 server

I am running ubuntu 12.04server, and trying to get pulseaudio working. I followed the instructions at How do I run PulseAudio in a headless server installation? At the moment, pacmd list-cards is ...
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vote
1answer
10k views

How can I enable my Asus Xonar DGX (CMI8788 chipset) sound card?

I have been strugling with trying to get my sound card working under Linux, from the command line it reports back as follows: user@desktop:~$ sudo lspci -v | grep -A7 -i "audio" 84:04.0 Multimedia ...
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votes
2answers
25k views

How to shut down the S/PDIF output in my sound card?

I realized that there is a red light coming out of my earphone jack. It's something like this: http://i.stack.imgur.com/gokuH.jpg I looked in the folder that Toshiba created for installing drivers , ...
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1answer
2k views

aplay -l says no soundcards found; alsaconf says no supported cords; yet /proc/asound contains cards

I am trying to get HDMI output using a Gainward Nvidia 210 512 MB on Ubuntu 10.04 Lucid Lynx. I have upgraded alsa-driver, alsa-lib and alsa-utils to 1.0.24 by building from source, thanks to this ...
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6answers
10k views

Audio stopped working suddenly in 12.04

My audio is no longer working in Xubuntu 12.04 after working fine for about a year. This happened right after visiting the following website and installing an audio browser application to upload ...
0
votes
1answer
244 views

No sound over pulseaudio in 12.04

I today rebooted computer and suddenly had no sound over pulse audio. When I test sound in Sound Settings it works perfectly. But when I run totem, rhythmbox, flash or anything else there is no sound. ...
3
votes
1answer
1k views

How to configure 5.1 Audio system for Realtek ALC861 sound card in UBUNTU 12.04?

I have already installed GNOME ALSA MIXER on Ubuntu. I did set all the parameters correctly. In Hardware settings, in the "choose a device to configure" section, it appeared as "Built in Audio - 1 ...
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1answer
377 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 ...
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votes
2answers
3k views

Ubuntu sound volume is 40% lower than in Windows

I have 2x 2.1 speakers connected to the computer where I have Ubuntu 12.04 installed. On the software side I've set all the volume controls to 100% with the alsamixer program. The speakers have ...
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3answers
820 views

SUDO and sound, how to make them work together

Basically inside a sudo session, even one emulating another none root user (sudo -u username command) there is no sound available. Inside a sudo session sound appears disabled. I need sound, how do ...
4
votes
3answers
3k views

Lots of static/crackling noises after ALSA HDA DKMS installation

I am using a Samsung Chronos 7 laptop with the following sound setup: $ head -n 1 /proc/asound/card0/codec* ==> /proc/asound/card0/codec#0 <== Codec: Realtek ALC269VC ==> ...
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1answer
3k views

How to switch between headphones and speakers manually

I have an ASUS G60JX laptop with 12.04 installed. The laptop has the sound jack broken (the jack thinks that there are always headphones plugged in, even though there is nothing. So I can hear the ...
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2answers
589 views

Low sound issues on HP p7-1227c PC using IDT 92HD73E1X5 chip

Anyone else ever encountered issues with low sound? Installed a fresh new install of ubuntu 12.04 x64 alongside Win7. Everything runs great except for the sound. Computer is a hp pavilion ...
2
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0answers
447 views

How to make external microphone default?

My laptop's internal microphone is broken and I use only the external one. However, each time I switch the computer on, I have to change it from internal to external in command-line alsamixer or ...
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votes
0answers
403 views

Audio glitches occur randomly

Audio in media files randomly glitches and sometimes repeats for 1-2 seconds and then continues playing normally. These glitches seemingly happen at random times and don't recur in the same part of ...
0
votes
1answer
518 views

Alsamixer missing controls after upgrade from 10.04 to 12.04

We previously loaded Ubuntu 10.04 on our Q7 intel platform + custom hardware that uses the Intel HDA sound card. Sound worked well. We changed to 12.04 yesterday and have output (speaker) sound, but ...
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0answers
29 views

Pulseaudio not responding, every program that tries to access it freezes [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? I recently installed 12.04 (32-bit) on a new PC build (ASUS Sabertooth-Z77 motherboard with Realtek ALC892 audio chipset). I have ...
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votes
3answers
1k views

ALSA does not see sound cards after restoring previous HOME

I have trouble with sound on a fresh installation of 12.04. I have just installed a new graphics card and with that, I decided to install 12.04 from scratch. Previously, the computer ran 11.04 and I ...
6
votes
2answers
8k views

Sound Settings is missing all output devices [duplicate]

Possible Duplicate: My sound stopped working today, how can I fix it? I'm baffled by this discrepancy: This speaker test is successful: speaker-test -c 6 -D 'surround51:CARD=PCH,DEV=0' ...
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vote
1answer
957 views

Sound through headphones is crackling/popping

The sound through my speakers is fine, however it cracks/popples when played through my headphones. While looking for a solution, I found this. I tested this by unplugging my headphones, plugging them ...
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votes
1answer
111 views

Skype voice repetition

I use Skype 4 with ALSA. People tell me that they hear my voice twice (voice and the echo of it). To make it clear, I don't hear my voice from the speakers. It is Skype which sends my voice ...
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vote
1answer
749 views

AspireOne 722, cant use external mic: mic receive sound from output! [closed]

I own an Acer AspireOne722 AMD C-60 APU 2Gb RAM HD6290 Conexant CX20588 sound card. I use Ubuntu 12.04LTS Output is perfect: both speakers and headphones work fine. I have troubles with input: the ...
0
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1answer
1k views

Sound Troubles with 12.04 on Dell Latitude D420

When upgrading from 10.04 to 12.04 sound playback with internal speakers stopped working on my Dell Latitude D420 laptop. Before the upgrade I'd had intermittent problems with sound, mostly with ...
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3answers
7k views

12.04 - How to update ALSA driver to 1.0.25

I have a relatively new Intel "Ultrabook", the HP Envy Spectre XT. It has the IDT 92HD99 sound card. Support for this was added to ALSA 1.0.25 based on this changelog: ...
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1answer
1k views

Analog stereo out on speakers and headphones

this sounds like a pretty dumb question but how can I get audio output on headphones and speakers? My motherboard is GA-G41M-Combo and doesn't seem to have any digital audio out, but 3 miniplugs ...
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vote
1answer
2k views

How to switch back and forth between pulseaudio+alsa and alsa only?

I prefer using alsa only while I make screencast and do skype. Other times, I use pulseaudio/alsa. Is there a quick and easy way to switch between these two states on Ubuntu 12.04 desktop?
3
votes
2answers
4k views

How to add microphone audio into avconv's video in x11grab mode?

I want to create some screencast, I am using avconv (recent ffmpeg counterpart) for doing so. This is the reference for command I used. I also referred the avconv manual pages. Due to some reason I ...
3
votes
2answers
9k views

Sound card selection

I'm looking for a way to select sound card in Lubuntu 12.04 without installing any additional packages like xfce4-mixer (with all of its dependencies). Is there a way to interactively select a sound ...
0
votes
1answer
407 views

Only two audio channels work on an Acer 4830T [duplicate]

Possible Duplicate: 2 channel sound when 5.1 is expected I have been trying to get the Surround sound working on my laptop for a couple of hours now. I have the Acter TimelineX 4830T, and I ...
1
vote
1answer
1k views

Intermittent Buzz / HDMI Audio

I have a HTPC with a ASUS P7H57D-V EVO motherboard and an i5 processor/GPU. I am using HDMI audio out to a Panasonic TV. HTPC is running Ubuntu 12.04 LTS with MythTV 0.25. In most applications I get ...
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1answer
5k views

Hard Resetting alsa Configuration?

I just made mess with alsa mixer this is why i made this mess . is there any way so that i can reset my sound configuration and at least my system speaker and heafones don't work at same time . or ...
0
votes
1answer
229 views

Issues with sound when running program as different user than login-user

I aliased google-chrome and whitelisted myself in sudoers so now when I type sudo chrome it runs sudo -u chromeuser -i google-chrome &. (For reasons outlined below) Since all other users besides ...
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vote
3answers
838 views

How can I control the volume of the line-in input + normal output at the same time?

I have a sound source connected via line-in to my computer. But when I change the master volume, only the volume of sounds being played on the computer (e.g. media, alerts, etc.) changes; the output ...
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2answers
585 views

External USB audio interface has weird noises

I have an E-MU tracker pre USB 2.0 connected to a USB hub. It works perfectly in Windows XP on the exact same computer, but has weird noises in Ubuntu 11.10. While being turned on, the system can ...
2
votes
1answer
10k views

How do I install new Intel HDA sound drivers?

In certain cases I might have an older kernel or release of Ubuntu where my sound driver might be too old or buggy, how can I get updated sound drivers for my built in Intel Audio chip?