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

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9 views

Choppy Sound in Chrome on Linux (flash or HTML5) but not VLC

As the title states, I currently have choppy sound on Chrome in Linux in both flash and HTML5 content, however VLC does not have choppiness. I am running Arch, using Chrome (dev channel), and using ...
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0answers
19 views

Issues with arecord command

I'm having some mixed results with the arecord command in the terminal. The hardware I'm using consists of the Cirrus Audio Card for the Raspberry Pi. I'm trying to record a 24-bit 192kHz sound (from ...
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0answers
17 views

Fedora - Integrated microphone not working

I just installed a fresh Fedora 21, my system is now up to date. Now, my problem is that my integrated microphone is not working. I tried several different fixes that doesn't work (install and ...
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1answer
15 views

Change audio volume on the right device

I'm trying to change the master output volume of my USB DAC (PCM 2704). When doing aplay -L I get: null Discard all samples (playback) or generate zero samples (capture) default:CARD=ALSA ...
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1answer
644 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
28 views

How do I set the output port on my audio card?

My audio card has two ports, for clarity I'll call them the 'speaker' and 'headphone' port. In windows, the audio control sees two separate ports, and I can switch back and forth between speaker and ...
7
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1answer
638 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
28 views

How to troubleshoot audio problems / issues in Arch?

I've been running Arch for almost a year now, and my audio was working great until I started messing around with things (>.>) The reason I started messing around with things is because I want to get ...
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0answers
22 views

Playback and simultaneous recording through external USB sound card

I've an external USB sound card (in my case it's a TerraTec Aureon 7.1 USB). I've looped the earphone-out to the line-in using a 3.5mm jack cable. I'm interested in starting the playback of a MP2 ...
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2answers
571 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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0answers
38 views

Set maximum volume in Arch Linux

Recently, I purchased new over-ear headphones that have some really powerful speakers. I usually have to listen at ~4% volume to use them comfortably. Each time I restart my computer, they move back ...
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1answer
53 views

Why does `systemctl enable rpcbind' change the volume of my sound? And how do I prevent this?

I just did: $ systemctl enable rpcbind And this caused the volume on my headphones to increase severly. First off, I don't understand why this happens, as rpcbind seems completely unrelated to my ...
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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
872 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
887 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 ...
0
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2answers
48 views

Alsa mixer unmute problem on Thinkpad laptop

After updating my Debian jessie laptop yesterday, the mute/unmute button stopped working. The volume up/down buttons work and I can mute the sound but when I press the mute button again to un-mute, ...
2
votes
1answer
596 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 ...
3
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1answer
566 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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0answers
55 views

PULSEAUDIO does not list my ALSA capture device as a capture source

First of all, Hello everybody! My name is Przemek Gajos and this is my first post here. I have recently written an ALSA driver for my audio capture card and I have problems with PULSEAUDIO ...
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1answer
274 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 ...
1
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1answer
24 views

audio play not starting at beginning

When I run a audio file with like mpg321 or aplay or sox or even in TTS's (Text to speak) audio only outputs correctly from the second time I reproduce the audio file... per example in Text to ...
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0answers
23 views

Set up a sound client “server”

I have a server that its main usage is being all day long up and running and serve some VMs to the web. I want to be able to play music from the laptop to the speakers that are connected to the ...
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1answer
75 views

Lost sound with xmonad

I downloaded this config to set up xmonad. Hit volume up, down, works fine. Hit the volume mute hotkey, sound's gone. All good. Hit the mute key again, sound's still off. Hit volume up, nothing. ...
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2answers
266 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 ...
0
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1answer
249 views

mpd fails to open ALSA device where aplay succeeds

I am trying to set up an Raspberry Pi / Raspbian wheezy audio player using the onboard sound hardware via ALSA LADSPA plugins to stereo downmix and compress the audio. aplay, sox, mpg123, moc (cd ...
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0answers
24 views

my bluetooth headset works, and linphone works, but not together

i have my headset working via bluez-alsa and ~/.asoundrc, and i have linphone working. can anyone clue me how to put 2+2 together and get linphone working through my headset? or any other softphone? ...
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0answers
161 views

Unable to use python speech_recognition lib Microphone class due to ALSA

I am attempting to write a speech recognition program for the raspberry pi, however I am facing some issues using python's speech_recognition library. From the error messages (posted below) I think ...
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0answers
40 views

arecord until sound level drops low enough

I am trying to implement constant voice recognition on my Pi at the moment, I am achieving this by having two threads running, one constantly recording (with arecord in a bash script) for X amount of ...
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0answers
93 views

Archlinux Skype problems with build-in microphone

So. My problems with next: I use pulseaudio as a sound server. I check my mic settings by arecord. All ok, but in Skype mic not working. Only silence. But when I tested it with Skype service and look ...
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1answer
33 views

PCM not affecting sound volume with ALSA

I have a computer that's running some software developed in our company, that also plays some sounds. For some reason the volume of the sound made by the software isn't affected by the PCM setting in ...
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0answers
201 views

Can't open audio device /dev/dsp: Device or resource busy

I am install Debian Jessie Beta2 on my laptop, and I just compiled mplayer on it. however when i use mplayer command to play some videos, i can't get the sound, the error shows as below: Can't open ...
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0answers
57 views

How to troubleshoot jack detection in Pulseaudio

Pulseaudio apparently supports "jack detection", meaning auto-detection of whether anything is plugged into each jack (e.g., headphone jack, line out jack) or not. Unfortunately, Pulseaudio's jack ...
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0answers
137 views

Jabra BIZ 2400 USB HeadSet doesn't output sound

I'm trying to get my Jabra BIZ 2400 USB HeadSet working on my Debian Jessie install, but I get nothing from the headphones. I've installed Audacity to test things and it will record audio, but then ...
0
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1answer
303 views

Problems with USB microphone ARCHLinux

My USB mic in webcam in Skype not working (cam works fine). I use Arch Linux with alsa. I set up pulseaudio but then I removed it because it is not stable. cat /proc/asound/cards 0 [SB ...
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1answer
66 views

Send sound output to application and speaker

I'm using my Ubuntu 14.04 LTS Laptop toplay music at a party. I'm using Mixxx and is performs very well for that task. Now I'd like to add some light effects and plan to use Qlcplus for that. So I ...
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0answers
297 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
174 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 ...
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0answers
77 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 ...
5
votes
5answers
2k 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, ...
2
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0answers
68 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 ...
1
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1answer
163 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
45 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
931 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 ...
5
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 ...
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0answers
124 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
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1answer
71 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 ...
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1answer
200 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 ...
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1answer
1k 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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1answer
379 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
18 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 ...