ALSA (Advanced Linux Sound Architecture ) is an API of audio functions for the linux platform.

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Is there any gnome-shell mixer icon relying on alsa and not pulseaudio?

So, long story short, when I installed Mint 12 on my Dell laptop I realized my HDA-intel sound board have problems with pulseaudio. I uninstalled pulseaudio and got my sound back, but removing ...
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2answers
313 views

Why does Arch Linux keep Windows headphone mute

I have Windows 7 installed, and headphones work perfectly. Few days ago, I installed Arch Linux along with Win7. This issue appears with gnome/xfce4/openbox. Perhaps it is not related to desktop ...
4
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1answer
397 views

ffmpeg - Merge two audio sources with x11grab, possible?

Currently I'm running with the following setup. ffmpeg \ -i http://pub1.di.fm:80/di_vocaltrance \ -f x11grab -s 1920x1080 -r 25 -i :0.0 \ -c:v libx264 -preset fast -pix_fmt yuv420p -s 1280x800 \ ...
4
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1answer
843 views

Saving alsa settings

After a new update, there is no sound by default in my Debian Squeeze box until running alsactl init, but whenever rebooting the computer I have to run the command again to gain sound. How can I ...
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1answer
20 views

Alsa not detecting USB microphone on system boot

I have a USB microphone that works fine, up until I reboot my system. After that, it doesn't work at all until I unplug it and replug it. Based on my (limited) understanding of the components ...
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1answer
62 views

How to use OSLEC with Alsa as default, not with Pulseaudio or other thirdparty package involved?

Oslec Echo canceller I have seen some packages used OSLEC and there echo cancle was very well. So for a test simulation, how could i install the OSLEC only with Alsa (i do not use PulseAudio at all, ...
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1answer
519 views

Sound not working in Debian except in google chrome and test utilities

Yesterday, I had Archlinux on my Dell Latitude E6520 and the sound was working perfectly fine (I even had the loud beep I couldn't get rid of). Today, I installed Debian and alsa. The first surprise ...
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1answer
109 views

Trying to hear audio coming from LINE IN using ALSA on Debian

I have a netbook with Debian sid, command line only, using it for a server. I am trying to configure it so that the speakers play back what is going in through the netbook's line in audio port. I can ...
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1answer
132 views

GStreamer and sample rate conversion

I have a soundcard that is only partially supported in Alsa, i.e. playback is only working in 48 kHz. Most of my audio files are in 44.1 kHz, and I would like to use Exaile as my audio player, as it ...
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1answer
197 views

Alsa & JACK - card and device names (different naming conventions)

I am a bit confused about audio device names. If I use command aplay -l i get the list of all audio devices on my system: **** List of PLAYBACK Hardware Devices **** card 0: NVidia [HDA NVidia], ...
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1answer
148 views

Pulseaudio over network - change output on-the-fly

I successfully configured PulseAudio server and client to send audio over network. It uses direct connection: http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Network/#index1h2 ...
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1answer
13 views

Opening ALSA Microphone in two programs?

I'm using a raspberry pi to capture some audio, but I only want it to do it when the noise level goes above a certain level, and then the device will record until two seconds after it falls below that ...
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1answer
35 views

Digital audio between Intel Atom E640 and ADAU1445

Background information: I have a ADAU1445 DSP from Analog Devices connected to multiple audio sources through the Serial Input pairs. One of these sources is an Intel Atom E640 processor running ...
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1answer
240 views

How do I enable sound in this fresh Arch install?

I'm following the Arch Beginner's Guide, here: https://wiki.archlinux.org/index.php/Beginners%27_Guide I have Arch running. Now I'm working on the post-installation instructions, one of the first ...
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1answer
359 views

pulse-audio does not recognise my Logitech mic and my Webcam mic

I use the (great) AK5370 microphone for Skype, but it is not recognized by my archlinux i86_64. It also fails to recognize the mic on my Logitech Webcam (PTZ, which I do not use). Both are connected ...
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1answer
35 views

Linux via Buildroot doesn't include alsa-utils

After following these instructions from here and from here, my booted Linux does not include ALSA-Utils like "aplay". But I have set all ALSA options. Any idea what's wrong? I also found this but I ...
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0answers
113 views

How to set up AMD Cayman/Antilles HDMI Audio (Radeon HD 6900 series)?

I've got an AMD Radeon HD 6950 card: $ lspci | grep AMD 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cayman PRO [Radeon HD 6950] 03:00.1 Audio device: Advanced Micro ...
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0answers
314 views

Why does skype not pick up my microphone?

I've got skype running (32 bit mode) on Slackware64 — the sound is fine but my mic is not able to be detected. KMIX shows that my mic is enabled, and I can hear myself when I test it. Some ...
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0answers
90 views

How should I enable the trace log for ALSA hda_unsol_event?

I have reported an ALSA kernel bug and have been asked to "enable tracepoints" and "check the response of hda_unsol_event". I was directed to the kernel docs for instruction, which say: Except ...
2
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0answers
373 views

CentOS 6.5 sound permissions

I am trying to configure ALSA for a CentOS 6.5 minimal install, my problem is non-root users do not have permission to access the sound devices in /dev/snd because the files are missing access control ...
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0answers
62 views

How to combine dmix with ladspa plugins to default device

A while I have abandoned all sound daemons and lived happily ever since with just the dmix plugin. However, recently I got annoyed by the different volume levels of youtube videos and decided to plug ...
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0answers
50 views

VST plugin integration into ALSA?

I have "headless" (e.g. no graphical front-end) VST plugin that I would like to embed into my ALSA setup to continuously filter my sound. I remember that there used to be a LADSPA plugin which itself ...
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0answers
113 views

Setting up surround sound with optical out

I have centos 6.3 running on this pc. the built in sound card is detected normally and is a 7.1 card with all speakers listed. It includes a optical out as well as hdmi for the built in video. It ...
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0answers
137 views

How to configure buildroot to add a sound device?

I've used a given board configuration to reconfigure it for my individual board. My board has a CS4270 sound device of Cirrus Logic. My uImage is booting successfully on my target hardware, but an ...
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0answers
32 views

Audio cuts in and out after upgrading from Ubuntu 12.10 -> 13.10

So my audio was working perfectly fine (XBMC, VLC, Flash in Chrome, etc) before the upgrade. Now that I've upgraded, I can still play audio, but it plays for a second or two at a time before cutting ...
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0answers
53 views

Pulseaudio and Pavucontrol very unstable

I've recently installed ArchLinux on my desktop, together witht the GNOME3 Desktop. I installed pulseaudio and pavucontrol, which both seem to be very unstable. First I couldn't get my headset to ...
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0answers
37 views

ALSAEQUAL runs, but sliders do not seem to affect audio

I want to have an equalizer that lets me easily adjust sound for listening to music on my laptop with headphones. I'm trying to install ALSAEQUAL since it seems that this is the preferred tool for ...
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0answers
108 views

Cannot find Audio Hardware for my Workstation

Audio is NOT working in HP workstation xw 4600. I cannot find any hardware present at System-> Preferences -> Sound -> Hardware (Tab) The command lspci -v shows following output of Audio ...
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0answers
79 views

No microphone input - VIZIO CT15-A5 and 12.04 LTS (64)

I have the VIZIO CT15-A5 and 12.04 LTS (64) is running smoothly .. Only one issue.. I cannot record sound or use Skype due to lack of mic input. I have tried turning up the sound using the alsa ...
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0answers
278 views

Sound doesn't work in x, but does in virtual terminal

I've just installed Fedora 19, bringing over my home directory. I've disabled graphical boot, instead I get dumped to a virtual terminal. I use xmonad instead of gnome3. weird phenomenon #1 In a ...
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49 views

add audio from playing file to microphone stream

I need to add a sound to what the microphone is capturing, is it possible? I started with man aplay and found that I can do aplay -D PCMdevice filepath.wav so then I listed the PCM devices with ...
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0answers
182 views

Native Instruments Audio Kontrol 1 - crackling sound

I am very new user to the Linux world. I istalled newest Ubuntu on my old ASUS A7CC laptop. I would like to use also my older external sound interface Native Instruments Audio Kontrol 1. I am able to ...
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0answers
114 views

Choppy sound with flashpayer

After a number of updates, including upgrading to flashplayer 11 and kernel 3.8.2 sound from flashplayer and skype has become choppy. Setup In my setup I have .ascoundrc set up to use pulseaudio ...
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0answers
512 views

Why is this ALSA configuration file preventing aplay and arecord from listing PCM devices?

In my embedded system I have this configuration file in /etc/asound.conf: pcm_slave.sl2 { pcm "hw:0,0" rate 48000 channels 2 format S16_LE } pcm.rate_convert { ...
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0answers
349 views

alsa and 5.1 surround through three front stereo jacks on the Dell Studio XPS 13

I know this is not a tech support forum, but I am not etting an answer from alsa people and have tried much, if not everything. I can upload the alsa-info output if needed, but here is the info ...
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0answers
13 views

ALSA: how to turn off “link note to velocity” feature

I use a USB MIDI keyboard to play with fluidsynth and ALSA on debian. It works fine but I wonder if there is the possibility to turn off the "link note to velocity" feature (= the volume of the played ...
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0answers
38 views

PulseAudio plays Audio over Bluetooth too fast - sounds like a chipmunk on helium

I am using PulseAudio's program 'paplay' to play an 8 KHz 16 bit LE single channel wave file through bluetooth to my headset using the A2DP profile. This is on a Linux ARM board using the new BlueZ 5 ...
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15 views

Extremely loud crack and mangled sound over S/PDIF using ALSA

Sometimes it seems ALSA on my machine goes completely haywire: Flash audio on Spotify doesn't produce any sound. Whenever I start a video in VLC it plays an extremely loud crack, so loud I'm afraid ...
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0answers
54 views

Auto-detect headphone jack

I am using ALSA on Arch Linux on a MacBook Air 5,2 (mid 2012). This is my first time using alsa by itself (without any tools that come with gnome), so I may have not configured something in order to ...
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0answers
100 views

What are these strange characters in wifi-menu and alsamixer?

I have a fresh install of Arch. When I run wifi-menu or alsamixer, both of which I think use dialog, the display in the shell is not correct. The border, for example, is drawn with the wrong ...
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0answers
102 views

How do I make Wheezy see my sound card?

I'm working on a relatively clean install of Wheezy - relatively as I installed it today and have been installing packages for quite some time. I previously had Ubuntu which played sounds, so it's not ...
0
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0answers
102 views

Centos 6.4 (64) skype 4.2 no sound notification

Everything works fine. I can hear and others can hear me. But no sound notification. In options -> sound devices "Make a test sound" button is disabled. Other button show "PulseAudio server (local)". ...
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0answers
284 views

Microphones not working on Apple macbook Air 1,1 (Early 2008) under Linux

I'm running Linux on an mba. I can't make the microphones (neither external nor internal) work. I test using alsamixer and arecord -Dhw -fdat -vv mic.wav together with aplay -Dhw -vv mic.wav It ...
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0answers
514 views

Is there an easy way to switch playback soundcards?

I recently purchased the roccat kulo headset which comes with a nice USB soundcard, completely functional under linux :). Howsoever I now struggle to easily siwtch between my laptops integrated ...
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0answers
741 views

How to make front audio jack work again after waking up from suspend?

Sometimes, after I wake up from suspend (using pm-suspend), the front audio jack stops working (no sound) after I wake up my laptop. Only after a full reboot I get it to work again. My laptop is an ...