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

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MPD fails to start the next song

I am running Arch Linux (e17) on x86_64; with mpd 0.17.3 and ALSA 10.0.26. One update ~three months ago mpd started acting strange. It would not start playing the next song, and it would appear as if ...
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2k views

Getting Logitech USB headset to work on Debian

I am attempting to get a Logitech USB headset to work on my Debian Squeeze computer. However, no matter what I do, there is no sound. I've already tried everything I could find on Google with no luck. ...
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1answer
260 views

weird alsa problems losing permissions when I plug/unplug usb headset

I have a /etc/udev/rules.d/00-local.rules KERNEL=="pcmC[D0-9cp]*", ACTION=="add", PROGRAM="/bin/sh -c 'K=%k; K=$${K#pcmC}; K=$${K%%D*}; echo defaults.ctl.card $$K > /etc/asound.conf; echo ...
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1answer
1k views

Getting an ALSA program (ChucK) to work with Pulseaudio?

Moving a previous answer to this topic; formulated as a question, it would be: I'm using ChucK, in particular chuck.alsa, to implement a Command line multitrack audio looper for Linux. ...
2
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1answer
139 views

Compiling OpenJDK 7 with Arch Linux complains about ALSA

I downloaded icedtea2.3.3 and installed alsa-lib alsa-firmware, ./configure doesn't give any error, but make complains that ALSA 0.9.8 or higher is needed. Actually, ALSA 1.0.25 is installed. What ...
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302 views

Strange sound behavior

First of all, sorry for the tittle. English isn't my native language, and I can't find a word to describe the strange behavior I'm getting here. In the most simple explanation, is like sound keeps ...
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2answers
1k views

How Video4Linux and ALSA work with Codecs

My understanding is that a codec is both a decoder and a specification for decoding. So some group writes a codec which explains how to decode from their format back into the raw bitstream, and they ...
2
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1answer
227 views

V4L2 and ALSA: Kernel SPI or User API?

I'm trying to understand what Video for linux and ALSA are (exactly), and I can't discern whether they're APIs for Linux application to use (the userspace) or if they are backend services that are ...
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2answers
1k views

Raspberry Pi sound

I am trying to configure the linux software festival which converts text to voice on a Raspberry Pi. Before and after the sound is played there is glitch sound that is heard. Does anyone know what ...
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1answer
4k views

How to address an alsa “mixer_device” in mpd config for a second sound card?

I run mpd on a system with a built in sound card and a second card that I plugged in via USB. Adressing the second sound card in the mpd.conf was easy: change: device "hw:0:0" to device "hw:1" ...
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0answers
803 views

no sound with an USB Microphone and pulseaudio

I connected my USB Microphone to my Computer, but i cant get it to work. Pulseaudio recognizes the device, and i can see and edit it with pavucontrol in the Input Devices section. I also can select ...
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1answer
1k views

ALSA-OSS installed , no dev/dsp found

I'm using Fedora 16 - sound works fine. I've tried to execute Pocketsphinx for some tests with voice recognition, but it depends on OSS to work. It crashes with the message: ad_oss.c(103): Failed to ...
2
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1answer
909 views

Debian Bluetooth headphones not working [closed]

Hardware Headphones Bluetooth dongle Maybe not exactly these models. Setup I tried to follow some guides, here's what I've done so far: Install software: sudo apt-get install bluez-utils ...
2
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2answers
6k views

How to run OSS dependent application? “/dev/dsp”

I'm using ubuntu 12.04 LTS - sound works fine. I've tried to execute pocketsphinx for some tests with voice recognition, but it depends on OSS to work. It crashes with the message: ad_oss.c(103): ...
2
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0answers
402 views

How do I use wine's new multi-channel audio support?

Wine supposedly added Multi-channel support to the ALSA driver in a recent release. However, I haven't found any documentation about it or any reports of anyone successfully using it. I have 5.1 ...
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1answer
2k views

ALSA does not find sound devices as user but can as root after kernel upgrade

Using Archlinux with x86_64 after kernel upgrade to 3.5.3-1, there is no sound, and ALSA run as user shows no sound devices. The proper kernel modules are loaded, and both dmesg.log and lspci show ...
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0answers
1k views

AC3 & DTS Output Produces Buzzing/Noise Using a52 ALSA Plugin in Pulseaudio

Note: I hope this is the right site to ask it on, as I'm using ubuntu 12.04 64bit but assumably this is a general linux/alsa configuration question. I've followed the guide at ...
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1answer
2k views

List all ALSA devices

I'm using PulseAudio on my system, and I followed the instructions for adding a monitor device as per the PulseAudio wiki. The monitor device itself works and registers/functions properly in apps like ...
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2answers
3k views

Why can't I play audio from two or more sources?

When I installed on my desktop mpd and mpc, I found that I can't hear other sources (like Amarok, Flash player etc.) at the time when mpc or other client is playing music. If I try to start an audio ...
3
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1answer
6k views

How to listen to microphone output on Linux?

I would like to hear the microphone output during Skype calls. I have tried fiddling with alsamixer settings and made sure that the mike is unmuted but still cannot get to hear the mike in either ...
3
votes
1answer
215 views

Amplify alsa capture beyond 100%?

I'm using ALSA. The volume of my mic is so low that even 100% of capture volume is not enough in a skype conversation. Is there any way to amplify the capture volume beyond 100%? I cannot use ...
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1answer
919 views

How to launch a command-line application without having to type the command?

I'm trying to write a python script that will launch alsamixer. alsamixer is a command-line application, that you typically launch by: Opening up a Terminal. Typing alsamixer. I'm trying to make ...
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1answer
1k views

How to mix S/PDIF input and PCM Out (to hear PCM and S/PDIF simultaneously) in Linux?

In alsamixer I can select either PCM Out or IEC958 In (that's my S/PDIF input) but not both. Is there a solution? Note: I need stereo sound, so selecting IEC958 In for one channel, and PCM Out for ...
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2answers
751 views

Debian no lib32asound2-plugins=1.0.25

I compiled git wine 1.5.6 and the sound is not working correctly. winecfg gives a message: ALSA lib ../../pulse/pcm_pulse.c:995:(_snd_pcm_pulse_open) Unknown field handle_underrun ...
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3answers
4k views

Pipe System sound to another computer

i have no speakers in my PC(Cent-OS 5.5) but there is a stereo speaker connected to the computer next to my Computer(Cent-OS 5.5). Both computers are networked. Is there any way to pipe my system ...
15
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1answer
28k views

How to disable Auto-Mute Mode?

In alsamixer, there is an option called "Auto-Mute Mode", and it's enabled by default. But now I want to disable it. I've tried different keys but failed. Any idea? 0_0
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1answer
2k views

Change volume from bash

I got this far (from .bashrc): alias i="amixer -c 0 -- sset Master playback +1dB" alias d="amixer -c 0 -- sset Master playback -1dB" alias v4="amixer -c 0 -- sset Master playback 40%" alias ...
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0answers
2k views

Volume / gain too high with ALSA under Debian for an USB sound card

I encounter some issues configuring audio with ALSA on my Seagate Dockstar on which I plugged a little USB audio card. I'm able to play music with MOC but I'm stuck with a volume way to high. ...
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2answers
621 views

Installed ALSA driver on Ubuntu 11.10, now flashplugin doesn't work

I installed from here -> http://www.stchman.com/tools/alsa/alsa_setup.sh because I was having so much noise from my speakers when the sound wasn't even playing, and I decided to install alsa drivers ...
4
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2answers
509 views

Make acpi beep when the power supply being unplugged even if the alsa is turned into mute

My laptop is Thinkpad Edge series, of which laptop will produce a beep when the power supply being unplugged. But I noticed that the beep has been blocked if the alsa is turned to mute. So, I wonder ...
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1answer
802 views

Play music on multiple ALSA outputs via Java

I have a 7.1 surround sound card installed and I want to split the outputs to 4 stereo outputs. That is not a problem with ALSA (or even PulseAudio), but I cannot get the Java Sound System to show me ...
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2answers
4k views

Ubuntu and XFCE: unmute sound

I've installed XFCE for Ubuntu and use it as my default X session. After this change some sound problems appeared: I can mute sound with alsamixer or with hotkey on a keyboard. But just reenable it ...
0
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1answer
248 views

Digital audio doesn't work under Linux

$ uname -a Linux nbb 3.2.1-2-ARCH #1 SMP PREEMPT Mon Jan 23 12:40:01 UTC 2012 x86_64 Intel(R) Xeon(R) CPU W3520 @ 2.67GHz GenuineIntel GNU/Linux I have an Intel ADA198x HD Audio interface (I believe ...
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2answers
13k views

Archlinux sound not working

I installed Archlinux recently. I have instaled flash, vlc, alsa-utis. But there is no sound. I tried un-muting using alsamixer but there are no difference. Can you please let me know how to fix this ...
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2answers
3k views

Does Linux support audio output via USB?

Several small integrated amplifiers exist with a USB input line. The ones I have seen so far ship with Windows and OS X drivers. Does Linux support audio output via USB out-of-the-box? Update It ...
3
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1answer
1k views

ALSA: Audio playback is clipped and has low volume

I'm hoping that someone can help me debug my audio problems. The problem is that audio playback is clipped and has low volume. The details of my setup are as follows: Arch Linux 3.1.3-1 An onboard ...
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1answer
3k views

How to kill TV like static noise in my Linux microphone?

I was capturing audio using alsa/pulse, or even without any microphone. But always i have this sample static noise. Similar to those (you can hear the exact noise what i have now): Sample 1 Sample ...
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0answers
108 views

Headphones don't “isolate” speakers

I have bought some new 2.1 speakers but I have an issue. When I plug in the headphones the sound continues to play from the speakers (in a lower volume though). I re-ran alsaconf but I couldn't solve ...
0
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1answer
1k views

How to route line in to speakers on debian with alsa?

How can I route line in to speakers, loopback-style with alsa? I've seen a few solutions using GUIs but I don't have a desktop UI installed. I've also seen a solution with PulseAudio, but I'd prefer ...
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2answers
6k views

Logitech USB headphones detected and selected in Debian Squeeze but sound still coming from speakers

I have a pair of Logitech wireless USB headphones that work with Ubuntu Natty but aren't working in Debian Squeeze. When they are selected as the default audio output, the sound comes out of the ...
3
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1answer
2k views

Restore sound configuration

After install some packages, I don't have sound! I installed Rosegarden, VMPK (piano software), Drumstick Virtual Piano and TiMidity. At the beginning, all works fine, but when I reset my PC, I don't ...
4
votes
1answer
17k views

How to configure ALSA?

After switching from Unity to XFCE, I ran into difficulties with my sound configuration. I have multiple sound cards on my system, the one that I want to use is the last one to be loaded by the ...
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2answers
19k views

How to create a dummy sound card device in Linux server?

I want to run Linux program that require a soundcard, on a server, which has no soundcard. Is it possible to create a dummy soundcard? I am totally unaware of Linux sound system internals. Please ...
0
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1answer
434 views

aplay not working on Ubuntu 11.04 for root user

I have ALSA on Ubuntu 11.04 version. When I play aplay through my normal user, I am able to get the output. When I do this with the root user, the command hangs: below stuff happens root@myuser:~# ...
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1answer
684 views

Sound over HDMI with Zotac Geforce 210 & Ubuntu

I am trying to get sound to work over hdmi so that the sound plays through my tv. I ran alsa and it says: "This sound device does not have any controls". Alsa identifies a card called "HDA Nvidia", ...
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1answer
1k views

alsamixer does not change Sound Volume

alsamixer doesn't change the real sound volume of my USB sound card (though the dials move okay) # uname -a Linux RPN 2.6.28.10-rpn7.2 #1 SMP Tue Jun 7 07:23:01 EDT 2011 i686 GNU/Linux # cat ...
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0answers
752 views

Microphone not working in Ubuntu Natty

Problem: I can hear myself speak in the mic but Ubuntu is not recording/capturing the sound. Actions Taken: I followed all the steps listed here for the Alsa update script I've also tried changing ...
2
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2answers
3k views

How do I install a volume control and support hardware buttons in Xfce on Gentoo?

I have got my audio card and alsamixer working on my Gentoo installation, as I'm too bored to visit that program all the time I need to make a subtle audio adjustment I'm looking forward to doing this ...
4
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2answers
6k views

Changing default audio device in Pulseaudio

I would like to use HDMI on my graphic card for audio output. ALSA shows it as a card with 4 devices and I can get sound through one of them (the other three are different channels, perhaps? I have ...
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3answers
3k views

Recording sound from TV tuner card thorough Alsa driver on Ubuntu

I have a TV tuner card with its output connected to the CD in of an integrated sound card. Video is OK, and the sound also gets thorough (to the line out) when running xawtv, for example. However, I ...