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

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4
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518 views

Why is `alsactl store` not enough to persist sound levels?

My sound levels in alsamixer, e.g. Mic boost are not saved after restarting. Many people tell to use sudo alsactl store to save those levels, but that has never worked for me in any machine I own. ...
4
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797 views

Is Bluez (bluetoothd) not sending DBUS method_call SelectConfiguration upon Connection? If so, how do I catch it?

UPDATE : not solved yet, but part of a solution. See below. I am attempting to connect my iPod or other smart device to my laptop (Kubuntu 13.10) via bluetooth and stream a2dp-encoded music to a ...
4
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794 views

Sound Driver is messed up, and mic doesn't work correctly under ubuntu 12

Quick Ubuntu 12.04 sound pops on boot and shutdown, and MIC picks up non-existent static. Edit: please note, Audio out is fine. Issue On shut-down and boot I often hear a loud blast from the ...
4
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0answers
634 views

13.10 headphones no sound

I've tried the alsa force-reload, uninstall, re-install with pulseaudio, killall pulseaudio, the sound setting output configuration, alsamixer enable/disable automute, alsamixer output selection. ...
4
votes
0answers
1k views

sound recorder doesn't record

With Ubuntu 13.04 I noticed that Sound Recorder seems to be broken, i.e. I can't get it to record anything. When I press on the record button the Level input remains grayed out. When I open the volume ...
4
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0answers
182 views

Change keyboard shorcuts? alsamixer

I use "master mono" for my audio. I like using the volume up and volume down buttons on my keyboard but they only change "master" not "master mono". Anyway to change this?
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1k views

Ubuntu 12.10 and Macbook Air 1,1 - no sound (speakers + microphone) - headphone OK

I ran lspci | grep Audio and got: 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03) I've searched the forums and added the following line to alsa.conf # ...
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43 views

No HDMI sound on Nvidia card on Ubuntu but no problem winth windows

Tested Mint 17,ubuntu 14LTS,kubuntu 16LTS,currently on ubuntu 16LTS. Nvidia driver installed. Checked alsamixer for muted device & unmuted them. pavucontrol shows all HDMI output unplugged. In ...
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0answers
32 views

How to resolve conflict between two aplay running at the same time

I use a lots of sounds in my shell-scripts, so it's not rare, when two or more scripts begin a conflict for audio channel. If one of my script already play sound and the other wants too, than it will ...
3
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0answers
118 views

How do I simulate microphone input?

I want to, when in a skype call and gaming, use a soundboard to play sounds that can come in hilariously depending on what is happening. I already have this system in place, but it depends on a ...
3
votes
0answers
350 views

Headphones not working on Alienware 17R2

I have an alienware 17 r2 with Ubuntu 15.04 installed. I have most drivers working however I can't seem to get an audio from headphones when I plug them in. The sound always seems to play only with ...
3
votes
0answers
255 views

Pulseaudio per application volume for module-combine-sink

I have two stereo sound cards and I'd like to create virtual 4.0 sink to use 4-channel audio. I'm using following pulseaudio configuration: load-module module-alsa-sink sink_name=output1 device="hw:...
3
votes
0answers
72 views

PCI Soundcard to function

I've installed a PCI Soundcard, and it seems like Ubuntu is recognizing it, I'm able to see it in alsamixer but when I go into the Ubuntu sound settings I can't get any sound. I've tried a few ...
3
votes
0answers
3k views

No sound in Chrome browser on Ubuntu 15.04

There are various suggestions for how to fix this but they mostly involve installing or restarting pavu or alsa. The problem is sound works fine in Firefox and all my programmes except Google Chrome. ...
3
votes
0answers
179 views

pulseaudio recording feedback

When I rebuild pulseaudio (need to create a plugin) I have a bad speaker.monitor. It added null samples after each stop of a aplay command? Then the microphone are not anymore synchonous. I did not ...
3
votes
0answers
512 views

Broken Audio on Chromebook. Xbuntu

I have dual-booted my Chromebook with Xubuntu 14.04 and have found that the sound is broken. I have tried everyhting that has been mentioned on the internet. I have restarted pulse, uninstalled it, ...
3
votes
0answers
438 views

How can I record audio in & mic in as 1 channel in Audacity?

I am trying to record my podcast, which I do using Google Hangouts & Audacity. I recently switched from Windows 8.1 to Ubuntu. In Windows I was using the software Virtual Cable (http://vb-audio....
3
votes
0answers
437 views

After upgrading to trusty, ALSA midi connection (aconnect) doesn't seem to work right

Previously in kubuntu 13.10 I was able to open vmpk or plug in a midi keyboard, and provided that TiMidity was running in server mode, I could run aconnect [keyboard port (129:0 for vmpk)] 14:0 ...
3
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0answers
153 views

How to diagnose audio / sound problems

How can I diagnose audio / sound problems? Which informations should I provide to get help to identity the problem?
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570 views

Pulseaudio fails to run after disconnecting HDMI cable

After using a HDMI cable I lose the ability to control sound setting. The sound still works (I can play music or even watch videos and listen to them), but the speaker indicator is gone and I cannot ...
3
votes
0answers
782 views

Problems with digital input of ESI Juli@ xte PCI Soundcard

I've got an ESI Juli@ xte PCI Soundcard and want to use it on Ubuntu 12.04 Server. It's going to be a capture device only. It's used in a small free radio station. I want to use two analog inputs to ...
3
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703 views

No sound after update on Ubuntu 12.04

As the title says, my sound has gone missing after an update with update-manager. I have found the solution before, but then had to reinstall Ubuntu. It can't even detect my audio card. Here is a ...
3
votes
0answers
215 views

Unclear Sound on Ubuntu

I own an Asus K55vm running ubuntu 13.04 with updated alsa and pulseaudio. The sound on my laptop is clearly unclear at 100% volume on all applications. The sound was clear on windows. I think it uses ...
3
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0answers
958 views

No PulseAudio in Skype Sound Devices choices, and microphone does not work…

I have a new re-install of Mythbuntu 12.04.2 LTS. When I installed Skype 4.1.0.20 and tried to use it, I found that under options/Sound Devices/, under the three (Microphone,Speakers and Ringing) ...
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votes
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451 views

Fuzzy audio when Skype makes sound

I am having trouble getting my sound to work properly in Skype. Every time Skype makes noise, all of my audio goes crackly, including anything else that's coming from other programs, even when the ...
2
votes
0answers
91 views

Headphones not working on Ubuntu 16.04 installed on Alienware 17 R3

I own a Sony MDR-XB450 headphones and it is not being detected. Sound keeps playing through external speakers Alsamixer gives the details as below Card: HDA Intel PCH Chip: Creative CA0132 I can mute/...
2
votes
0answers
66 views

ALSA Keeps Throwing Me Errors, really Frustrating

The Situation So my sound cards aren't totally fried, and everything works fine, it's just annoying when working with python scripts and Speech Recognition for Python. This being the result of my ...
2
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0answers
161 views

Audacity Keeps Crashing

I'm running the latest version of audacity and the playback keeps crashing when I try to pause it. Ive seen elsewhere on line that this is a bug and that there are workarounds for it but i cant seem ...
2
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0answers
199 views

Linux supported 5.1 SPDIF out external sound cards

My only requirement is to get 6 channel (5.1) digital audio out from USB and output it with a S/PDIF (optical/coaxial) port. So I'll connect the receiver (DAC) and it does the decoding + playback. I'...
2
votes
0answers
315 views

Audio not working after switching to Ubuntu 15.10

I have some audio problems in my netbook (Asus eeepc). I used to work with lubuntu 14.04 and audio was perfectly working after pulseaudio installation. I decided to change to Ubuntu Mate 15.10. After ...
2
votes
0answers
18 views

Recording of training video call

Ubuntu 15.04 (soon to be 15.10). we will be doing some video conferencing training calls soon and would like to record them. I believe this can be done using Pulse Audio Control and gtk-...
2
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0answers
51 views

Sound not working; no devices show up; only for my user

earlier today I tried to make my Asus SonicMaster subwoofer work on my laptop, and succeeded. However, that was after some trial and error of messing around with some sound settings. The issue now, is ...
2
votes
0answers
133 views

USB speaker not detected

I am connecting an USB speaker but it the speaker gets detected on USB buts gets rejected after a while. However it works in Fedora [ 9548.214066] usb 5-3: new full-speed USB device number 19 using ...
2
votes
0answers
134 views

No sound from Headphone Jack on an Asus G46vw

Suddenly my headphone jack has stopped working. I believe it happened after an update. It worked for a long time previously. I've searched everywhere looking for known issues before posting this, and ...
2
votes
0answers
490 views

Ubuntu 15.04 Headphone not detected

I have exactly the same problem : No headphones audio in Alienware 15 laptop I also have an Alienware 15. Everything works great with Ubuntu 15.04 ... Except wifi and headphone ... There is no sound ...
2
votes
0answers
75 views

Audio through iec958 super quiet

I've tried a lot of things I can find, but nothing helps. Problem in Ubuntu 14.04: Audio plays fine through HDMI, but not through s/pdif. When I unlock and raise the left front or right front volume,...
2
votes
0answers
290 views

alsamixer can see microphone, but pulseaudio doesn't

I've installed Ubuntu 15.04 on my Pixel LS laptop with a patched kernel (https://github.com/tsowell/linux-samus). Problem is - pulseaudio (pavucontrol) doesn't recognize the microphone. If I run ...
2
votes
0answers
235 views

Bluetooth music playback slow and choppy

How do you diagnose slow choppy sound playback with Bluetooth headsets on Ubuntu 14.04? My headset worked perfectly on 12.04, but after I upgraded to 14.04, I can still pair just fine and select the ...
2
votes
0answers
447 views

Ubuntu 15.04 - Audio switches to Headphones after suspend, but there is no sound through headphones or speakers

Ok, so I have been getting a strange issue since I updated to 15.04. After a reboot, audio works fine through the speakers, and I'm able to plug the headphones in and it switches to them and works ...
2
votes
0answers
227 views

How to make speaking clock ( via cron and festival tts) work while playing music

I switched to linux since last 11 months,I am on ubuntu 15.04, I have learned to use cron for various tasks. I use Cron to announce time via festival tts(using mbrolla voice) hourly. This is the ...
2
votes
0answers
88 views

Change the value of 100% volume?

In the sound settings, the 100% value of my speakers volume seems a bit lower than it could be (in fact, on Windows it is higher) and I can go higher without affecting sound quality (actually making ...
2
votes
0answers
500 views

What is causing my issues with sound in Ubuntu 14.04?

I'm hoping I can get some help with problems I've been having with sound in Ubuntu 14.04. I work a lot with audio recordings, and noticed difficulties when I started trying to record and annotate ...
2
votes
0answers
388 views

no sound in system and alsamixer says :“The sound device does not have any control”

I m facing sound problem. There is no sound in my system.When I looked for alsamixer, there it says :"The sound device does not have any control". But if I connect it to external speaker its works ...
2
votes
0answers
272 views

Ubuntu doesn't detect my usb interface

I'm having trouble trying to make a M-Audio Fast Track MKII work in Ubuntu 14.04 I got a dell inspiron pc with Ubuntu GNOME 14.04 installed with low latency kernel, and tweaked for audio and music ...
2
votes
0answers
320 views

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

I have recently written an ALSA driver for my audio capture card and I have problems with PulseAudio recognising it as an capture source. Here are some facts and hopefully one of you experienced this ...
2
votes
0answers
758 views

No option for 5.1 Surround through HDMI even with successful speaker-test

I recently set up a new HTPC on Ubuntu 14.04 LTS and the only option for audio (that works) is HDMI / DisplayPort but there is no dropdown box for 5.1 surround sound. I did a lot of digging and after ...
2
votes
0answers
113 views

Highly distorted sound on stereo but headphone gives perfect output

I am struggling with the audio output of my laptop that's running 12.04 LTS. It was all fine till yesterday. I played the spotify in the web player and abruptly the sound just reduced and I couldnt ...
2
votes
0answers
983 views

HDMI / DisplayPort audio at wrong bitrate (audio too high and fast

I am trying to play audio from an Ubuntu 14.04 Dell Precision M3800 through a Dell U2414H monitor; the monitor has HDMI and DisplayPort connectivity and has an audio out feature; it can supply ...
2
votes
0answers
349 views

no sound at all

No sound at all... Checked all the drivers and sound card, all are installed properly. Checked through the ubuntu forms but the old solution(adding the option snd-hda-model to lenovo sky in alsa.conf)...
2
votes
0answers
198 views

Timidity won't play on second sound card

I have a trouble with Timidity and playing midi files. I have two soundcards -- the first is on-board and I don't use it, because of "poor" quality output. The second is USB card Focusrite Scarlett ...