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

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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 ...
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1answer
353 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
622 views

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

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
1k 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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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 ...
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1answer
941 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 ...
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2answers
408 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 ...
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1answer
10 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> ...
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1answer
11 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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40 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 ...
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1answer
497 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
20 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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19 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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12 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 ...
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1answer
487 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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1answer
253 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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3answers
2k 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 ...
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21 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 ...
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1answer
137 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
28 views

Modify sound volume per application [on hold]

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 > ...
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60 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 ...
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2answers
113 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
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3answers
42 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 ...
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100 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
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1answer
608 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
44 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 ...
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0answers
51 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 ...
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3answers
2k 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 ...
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1answer
90 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 ...
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1answer
145 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 ...
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31 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 ...
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4answers
4k 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. ...
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50 views

Understanding Mixing of sounds in ALSA

I can't seem to bend ALSA completely to my will, even after I spent a lot of time configuring it. I just do not seem to understand it well enough. Here is my /etc/asound.conf: pcm.dmixed { ...
2
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1answer
79 views

FFmpeg doesn't recognize my audio sources

I want to record my screen with audio for practice. I saw recommendations to use this command line: ffmpeg -f alsa -ac 2 -i pulse -f x11grab -r 25 -s 800x600 -i :0.0+200,100 -c:a pcm_s16le -c:v ...
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80 views

Android w/ Glibc stack, how can I set-up audio w/ nvlc? Is it possible with ALSA(Debian)?

With the help of the book "Embedded Android" by Karim Yaghmour I managed to learn enough about Android's build process last fall. With enough fiddling around and Google'ing I learned a sufficient ...
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0answers
168 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 ...
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45 views

Selected ALSA device falls back to default in Wine with PulseAudio installed

Under SolydK (based on Debian Testing), as PulseAudio is installed by default, I unless I switch from the default sound device to an item that appears in winecfg at the sound settings, I get distorted ...
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4answers
3k views

How can I switch to my USB headset automagically when it's plugged in?

I'm running Funtoo Linux, a Gentoo derivative. My two new Plantronics USB headsets (one wired, one wireless) work nicely. I plug one in, ALSA notices it, and if I manually set an application to use ...
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1answer
163 views

Why would alsa sound pop, crackle and be generally too distorted to listen to?

I've been having a weird issue with Alsa recently. For some reason all sounds are really distorted and no matter what application I use, I won't get anything clear out of it. I've tried Tomahawk, ...
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1answer
163 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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1answer
173 views

Changing sound chip with ALSA

I have a laptop with Intel audio card that lspci reports as 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) It is responsible ...
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1answer
38 views

soundblast live on linx mint: fatal: module snd-emu10k1 not found

I'm trying to get my soundblast live 5.1 emu10k1 (rev 7) working. It is listed in my xconf settings but the onboard sound processor is the standard (i have tried to make de soundblaster standard, but ...
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0answers
171 views

Internal microphone not working.. again (Fedora 20, KDE, HP 8460p)

Unfortunately I have yet another "adventure" with my internal microphone. Everything is un-muted in alsamixer, as well as in pavucontrol. It is not the first time it stopped working, but now - for ...
2
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1answer
154 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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1answer
673 views

Elementary os no sound after alsa update

I am new to Linux but really love Elementary for its simplicity. After noticing that my sound was quite poor in Elementary, compared to Windows 8.1, I have tried updating the sound drivers. I ended up ...
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0answers
237 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. SMplayer plays audio just fine, or doesn't play at all (I've observed the latter ...
2
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1answer
320 views

Record audio from multiple devices with ALSA and Pulseaudio

I want to record audio from multiple input devices using ALSA and Pulseaudio. More precisely, I want to play UltraStar Deluxe. It is a game using SDL. As far as I can tell, it supports ALSA only. ...
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2answers
1k views

Recording audio output

I've been following these instructions for recording the output of a program I wrote (that uses rtaudio to synthesize music) ...
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4answers
553 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, ...
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183 views

jackd error ALSA: could not start playback (Cannot allocate memory)

I'm using a headless Raspberry pi setup using ssh from my mac. I recently purchased a Wolfson pi sound card and am trying to start JACK from the command line. When I type jackd -d alsa, I receive the ...