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

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557 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 ...
6
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1answer
563 views

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 \ ...
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0answers
15 views

No sound in arch linux with xfce4

I have installed Arch Linux with Xfce4, I installed alsa-firmware, utils and plugins. I haven't installed PulseAudio. I have no sounds in my laptop at all :/ I have unmuted in alsamixer my speakers. ...
2
votes
1answer
33 views

How to make PulseAudio and OSS only applications coexist on Debian Wheezy?

Before I fell back to ALSA, I had severe problems with PulseAudio deadlocks for years on my Debian system on which I am using some OSS only (requiring /dev/dsp) applications. I would like to see ...
1
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0answers
47 views

Why PulseAudio can not mix multiple OSS program's sound output? [closed]

I have (had) problems with PulseAudio frequently deadlocking when starting applications using OSS for sound output. I would like to know how to fix / work these around if possible, or if not, since I ...
4
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5answers
1k views

recording audio from web-based audio player using ALSA loop device

I am trying to save voicemail messages from Verizon Fios phone in best quality possible. The voicemail messages are available online, but for playing only (Java based player), no saving. Officially, ...
4
votes
4answers
1k views

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 ...
0
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1answer
461 views

Ubuntu sound not working after sleep/suspend

Whenever I sleep my laptop I mean if I down the flap sound doesn't work, every time i have to restart my laptop for sound to make working. Fo instance right now sound is not working(since I closed ...
2
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0answers
27 views

Recording loopback doesn't work with alsa

I want to record a sound from speakers, not a microphone in my Linux desktop. I'm using Centos 7. I searched this subject and found this thread but it only partially works. I edited my .asoundrc ...
2
votes
1answer
485 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 ...
2
votes
2answers
471 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 ...
2
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1answer
474 views

what device name should I have to give in snd_pcm_open other than “default”

I want to record sound from 2 devices simultaneously: internal mic external usb webcam mic Using pulseaudio sound controller, I set either of these devices as default and could record sound with ...
1
vote
1answer
48 views

Alsa resampling

My setup is Vortexbox 2.3, a Linux music distro based on Fedora. I have a multichannel sound card, USBStreamer from miniDSP. I have set up separate stereo devices in asound.conf so I can have ...
0
votes
1answer
36 views

Enable microphone on boot

On Arch Linux with Gnome 3.14, the microphone is disabled by default. So every time I need to use Skype I need to open Sound settings and enable the mic. How do I enable the mic so that it's ...
5
votes
0answers
430 views

Debian systems seems to recognize speakers but not the headphones for Lenovo laptops

First of All, I know there are lot of questions out there on same topic but still I could not figure out the solution. Being a average system level programmer (beginner in kernel programming) I would ...
4
votes
1answer
1k views

Why do I have to run alsactl init each time I boot my system? [closed]

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 ...
1
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0answers
49 views

Why don't I hear audio playing from my CentOS 6.5 Vagrant box?

I want to play a wave file from my CentOS 6.5 Vagrant box using aplay and of course I want to hear the sound. This is what I do: > aplay sine.wav Playing WAVE 'sine.wav' : Signed 16 bit Little ...
1
vote
1answer
44 views

how to test sco packets in bluetooth

Issue : Monitor sco packets between master and slave bluetooth. Description of problem. I have small in-house Bluetooth device (developed in Linux fedora OS) and is configured as slave device. I am ...
1
vote
1answer
107 views

No sound on linux

Have no sound on my system (opensuse 13.1 | gnome 3.12). alsamixer ALSA lib control.c:953:(snd_ctl_open_noupdate) Invalid CTL default cannot open mixer: No existe el fichero o el directorio Some ...
1
vote
1answer
811 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 ...
1
vote
1answer
236 views

Low sound volume issues on Z97 motherboard and linux mint KDE

I've recently set up a new system with MSI Z97 gaming 5 motherboard however the first issue I've encountered was that the sound was crackling. I've fixed that by updating the kernel to 3.16.3 Now the ...
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0answers
12 views

Dynamic audio sinks and sources with alsa

So, I have a speakers, a usb headset, and HDMI output available to my system and would like to switch which is used by any specific application, or all of them on the fly. So far I am able to use ...
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0answers
55 views

System freeze on “setting up alsa”

I use Debian wheezy and I boot the computer and get stuck in the line: [....] setting up alsa .... It freezes, it only responds to "REUSIB" (Emergency Reboot With Magic SysRq), but it is unusable as ...
0
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1answer
134 views

No Audio on my system (currently running elementary OS)

So I haven't used a Linux distribution in a long while, and I decided to install it in my new computer. I settled for Elementary OS, but it seems I am completely unable to get my computer to play any ...
0
votes
1answer
148 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)". ...
2
votes
1answer
669 views

Sound not working in Debian except in google chrome and test utilities [closed]

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 ...
5
votes
1answer
1k views

Samson Meteor Mic under Linux/ALSA

Has anybody gotten a Samson Meteor Mic working under Linux/ALSA? I tried to google it but I found no mention of Samson Meteor under Linux at all. Kernel/ALSA/Audacity see the device. Unfortunately I ...
1
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1answer
12 views

snd_rawmidi_open() waits forever - no error message

I am trying to use ALSA for MIDI purposes in C. My problem is, snd_rawmidi_open() sort of "crashes" (waits forever like a while loop) when using valuable arguments : #include <stdio.h> ...
0
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1answer
32 views

Jack not recognizing MIDI device

Jack does not recognize my MIDI keyboard, whereas ALSA does. Here are the logs : pi@raspberrypi / $ jack_lsp system:playback_1 system:playback_2 LinuxSampler:midi_in_0 LinuxSampler:0 ...
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0answers
144 views

Crunchbang Linux Waldorf: Sound Problems with NVIDIA Corporation MCP61 High Definition Audio (rev a2)

$ lspci | grep -i audio 00:05.0 Audio device: NVIDIA Corporation MCP61 High Definition Audio (rev a2) 02:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Device aab0 $ sudo speaker-test ...
3
votes
1answer
34 views

ALSA sampling rate

Couple of questions: If you set the capture sampling rate in ALSA API to say 1000Hz, is the input really sampled at 1000Hz, or does the sound card always sample at its maximum capable sampling rate, ...
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0answers
62 views

.asoundrc, alsaequal as default breaks firefox MP3 playback

Alright, so the important thing to note here is that it (appears) to ONLY break MP3 playback, other formats work. Youtube html5 videos and .ogg playback work fine and use the equalizer as expected, ...
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0answers
36 views

HDA Realtek and Auto-Sensing Disable

I have a couple different devices using Realtek audio chipsets (one is ALC269VC, another is ALC262). On both devices (laptop/tablet type devices, with internal speakers and a headphone jack) when I ...
1
vote
1answer
309 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 ...
4
votes
3answers
3k views

How do I enable sound in this fresh Arch install?

I'm following the Arch Beginner's Guide. I have Arch running. Now I'm working on the post-installation instructions, one of the first parts of which is to unmute the speakers. This is where my ...
2
votes
0answers
40 views

PulseAudio: Sound works after first pacat call

I've got a strange problem with PulseAudio and a gstreamer python script (pygst). The script below works only if I execute a cat /dev/urandom | pacat before. I've absolutely no idea what can ...
1
vote
1answer
219 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 ...
2
votes
0answers
46 views

Modify sound volume per application [closed]

In Fedora 12 + Gnome 2 I used to be able to modify the volume of each application seperately. Now, I'm on Fedora 20 + MATE 1.6.2, and this option is gone. If I click Notification Area > Sound > ...
3
votes
0answers
101 views

Sound crackles and echos to the point of being unusable

I recently got a new desktop, installed debian 64 bit, and found out that the sound doesn't work at all. I'm not entirely sure what information I should give to help identify the problem but I'll do ...
1
vote
2answers
313 views

Volume too quiet at maximum

I recently replaced my broken Sennheiser PC350 to a Beyerdynamic DT770 Pro 80 Ohm headphones and I've encountered a really annoying issue. Everything is too low. I can listen to it, but it's almost as ...
2
votes
3answers
61 views

Alsa driver update in client machine without make

I have a Debian 6 system and updated alsa from 1.0.23 to 1.0.25, It works as expected. Steps which I performed to compile: ./configure make make install Now , I have 100's of client machines in ...
2
votes
0answers
332 views

Configuring USB digital microphone under Linux

I just bought a digital USB microphone. It looks nice, but I cannot make it work. I use openSuse 12.3. How do I ever know whether my system has the drivers for such and such microphone? The good ...
2
votes
1answer
891 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], ...
0
votes
1answer
85 views

Set Sound Settings to 152% on Boot (LMDE)

I have installed Linux Mint Debian Edition and everything is working correctly, except that 100% sound setting is not ideal on my speakers, so I see that I can increase it to 152% from my sound ...
2
votes
0answers
99 views

Focusrite Scarlett on Linux input mapping?

Does anyone use these interfaces on Linux? If so, how do the inputs map (e. g. with ALSA/PulseAudio)? E. g. the Scarlett 6i6 has the following connections. Inputs: 2x symmetric XLR inputs (one for ...
7
votes
3answers
3k views

Microphone - static background noise suppression on Linux

My soundcard is Realtek ALC 892. On Windows 7 I use official Realtek drivers, on Linux I use PulseAudio (on Ubuntu 13.10). On both Windows and Linux, when I enable microphone boost +30db (required ...
1
vote
1answer
241 views

Focusrite Scarlett 8i6 With linux mint

I have a focusrite scarlett 8i6 soundcard and I would like to make many sounds with it. Currently it's deadly silent and I want to crack on with some programming whilst listening to music! I usually ...
2
votes
1answer
572 views

firefox + html5 + .asoundrc = No sound

Here's the problem: Manjaro Xfce/3.15.4, Alsa (No Pulse), Firefox 30 and 31, Gmusicbrowser, mplayer/smplayer Firefox with youtube html5 player - no problems Firefox with youtube html5 player and a ...
0
votes
0answers
67 views

Calling speaker-test from usermode-helper API

I needed to call come audio-producing applications from kernel in a toy module. In order to test that, I thought of calling speaker-test from a simpler module, but no sound would ever come from it. I ...
1
vote
4answers
5k views

Change sampling rate in ALSA

I'm a Computer Audiophile, I've used Windows (with ASIO4ALL)and OSX for Audio. Now I'm making Ubuntu 13 my HTPC/Stereo Audio. To begin with I disabled Pulse audio and using GooMusicplayer with ALSA. ...