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

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24 views

alsa gives error when run via su

I have a script that starts my application ./run_se and it works just fine. But I want to start it at system boot, so in after.boot, I have su artisan -c "/home/artisan/run_se" but this errors ...
2
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1answer
43 views

I have to pull the connector out partly to get stereo sound

Using headphones, I have to pull the headphone jack partly out of the socket to get stereo sound. If I push it in all the way, only the right channel comes through. I'm assuming that this has to do ...
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3answers
3k views

ALSA - no surround playback with mplayer

When I run: speaker-test -c6 ...everything is fine. I get 5.1 playback. However, when I run: mplayer -channels 6 "some video with 5.1 audio" no audio plays. Here is what appears in the ...
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0answers
16 views

No onboard Asus M4A87TD EVO sound

I have an Asus M4A87TD EVO motherboard that once put sound out through the board, but now will only allow that while in win 7 64bit. My frustration is that Debian wheezy USED to do this, but now it ...
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0answers
17 views

pulseaudio pavucontrol: Missing “ALSA capture from” in gui

I am trying to redict sound output to fake microfone, but I got stuck in pavucontrol. After trying 3 tutorials, I gave up due to missing "ALSA Capture from" options. It should look like ...
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0answers
30 views

How to tell system wich USB-soundcard I want to have hw:2, if the two are “snd_usb_audio”?

I have a USB-soundcard (Encore ENMAB-8CM) and a Webcam with mic (Logitec c170). I want to use Jack with the USB-soundcard and, using alsa_in and jack_connect via scripts, to connect Webcam mic to ...
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0answers
22 views

Pulseaudio dont opens PCM device

I have IMX6Q based board and want game with pulseaudio. My board have 3 sound devices. # aplay -l **** List of PLAYBACK Hardware Devices **** card 0: tlv320aic3xaudi [tlv320aic3x-audio], device 0: ...
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1answer
147 views

ALSA PulseAudio sound output when switching between headphones and laptop speaker

Since I installed PulseAudio on my Gentoo system I've been having no audio output from my laptop's speakers when un-plugging the headphones jack. I suppose the problem lies in how ALSA and PulseAudio ...
2
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2answers
126 views

AMD R9 270x HDMI audio not working correctly with ALSA. Works with PulseAudio. Is it possible to fix?

Some days ago I installed Fedora 22 on my media center pc. Previously I had Windows 8 installed because I wanted to play some games and watch some blurays, and everything worked as wanted. The HDMI ...
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3answers
2k views

Linux Mint and sound problems

I'm running into a no audio problem on the latest version of Linux Mint (Rebecca). I've uploaded the data to here for anyone to peruse, and hopefully find a solution to this problem: ...
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0answers
13 views

Strange noise with alsa-oss-emulation

I try to access the sound chip via ALSO OSS emulation on a ETX-BT-module (x64-CPU, x86-Kernel, vanilla kernel 3.10.10, busybox, Realtek ALC 262, 4-channel High Definition Audio integrated into SOC ...
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2answers
19k views

How to make Alsa pick a preferred sound device automatically?

I bought an USB sound card. I'd like to set up my Linux desktop so that it prefers the USB device, if it is plugged in and automatically switches as the device is (un)plugged. Is it possible, and how? ...
1
vote
1answer
78 views

Linux ALSA Driver using channel count 3

Am running my ALSA Driver on Ubuntu 14.04, 64bit, 3.16.0-30-generic Kernel. Hardware is proprietary hardware, hence cant give much details. Following is the existing driver implementation: Driver ...
3
votes
4answers
15k views

linux arecord: capture sound card output rather than microphone input

I am trying to capture sound card output and encode it in Vorbis ogg format using the following command: arecord -f cd -t raw | oggenc - -r -o file.ogg However, the computer's microphone input is ...
2
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1answer
161 views

No sound on Arch Linux (ALSA)

Output of aplay -l aplay: device_list:268: no soundcards found... output of sudo aplay -l **** *List of PLAYBACK Hardware Devices* **** card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog ...
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0answers
72 views

Can't set sample rate to 44100 Hz when using loopback in ALSA

I have set up ALSA like this to play to and record from loopback devices: # output device pcm.loopout { type dmix ipc_key 328211 slave { pcm "hw:Loopback,0,0" period_size 1024 ...
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0answers
232 views

tidal-hifi playback with alsa stops after every song

I am using tidal hifi for music streaming under linux (Mint 17, 64bit) with Chrome. To achieve bit perfect playback I turn off pulseaudio ($killall pulseaudio) to purely use alsa for audio processing ...
6
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1answer
6k views

Force downmix to mono on Linux

For personal reasons (I'm hearing impaired) I need my linux machine to produce mono downmixed sound. Downmixed, not just single channel. Is there any possibility to force such behavior in ALSA / ...
4
votes
1answer
151 views

5.1 Surround sound will not keep its configuration

in pavucontrol I have my output set to Digital Surround 5.1(IEC958/AC3) When I open a video with VLC (my preferred option) OR GNOME Media player I hear no sound. VLC is configured to use pulseaudio ...
2
votes
1answer
44 views

How can two applications read from the same (digital) sound input in Linux/ALSA?

I have a sound card with an AES/EBU input port that I want to access with two applications simultaneously. I want to record the input to a linear WAV file in real-time while also streaming it through ...
1
vote
1answer
395 views

linux mint VIA sound issue

So I installed linux Mint 15 "Olivia" 64 bit on my Mecer W550EU laptop I have HD Audio with a VIA chipset charles-W55xEU charles # lsmod | grep snd snd_hda_codec_hdmi 36913 1 snd_hda_codec_via ...
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1answer
102 views

Create custom PCM device in ALSA

How can I create custom PCM device with dmix-slave and use it in audacious without touching global PCM? Is it even possible? I tried miscellaneous configurations but no luck. ALSA asound.conf syntax ...
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0answers
197 views

Distorted/crackling sound coming from when ALSA's .asoundrc file uses hw type instead of plug type

I have XBMCbuntu installed on a HTPC running Ubuntu 14.04 and Kodi 14.1. I have been trying to install and run Steam so that I can stream games from my gaming PC. I followed the steps from this guide ...
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1answer
1k views

Kali Linux No Sound

Basically I misstakenly removed alsa config because of this guide http://hackerzelite.blogspot.in/2014/03/fix-sound-driver-on-kali-linux.html . And there is no sound icon now, as well no sound. But ...
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4answers
6k views

Skype 4.3 without PulseAudio, only ALSA. Any options?

I have been using Skype for over 10 years now, almost since the initial release, and most of my friends/family/colleagues use it too. So switching IM is not an option. Microsoft has recently changed ...
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0answers
89 views

Set usb soundcard as default device

I'm trying to get my usb sound-card working. It's a Focusrite Scarlett 2i2. I've read through a number of tutorials non of which was doing anything but sometimes blocking the output of more than one ...
0
votes
1answer
118 views

Korora laptop / Trisquel 7 audio not working

I have Trisquel 7 netinstall installed on a ThinkPenguin Korora laptop. nik@Penguin-Korora:~$ lspci|grep Audio 00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 09) 00:1b.0 ...
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0answers
282 views

Dolby Digital 5.1 on Linux Mint for ASTRO A40 Headset

I've been having an issue with setting up surround sound for my headset on Linux. Currently, I'm able to receive sound from my computer without Dolby Digital. I'll try to be as specific as possible: ...
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0answers
99 views

ALSA/Pulse: How to AVOID upmixing in 6-channel mode?

So, I have the following setup: Gigabyte B75M-D3V motherboard w/ Intel HD Audio (Realtek ALC887-VD chip) Linux 3.17.4 x86_64 Debian testing (jessie) Originally, I was using straight ALSA, because ...
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0answers
170 views

How to setup ALSA Linux audio to Virtual machine sound card?

I have Ubuntu 14.04 Desktop 64 bit installed on an HP Probook 4440s machine. On said machine I have installed VMware Workstation (version 10.0.3 build-1895310) as my default Virtual machine app. I ...
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1answer
85 views

Old ALSA application and PulseAudio

I have an very old application, from repository - it's soundmodem (for amateur AX.25 radio packets). I'm using Linux Mint 17 with default sound driver, it's PulseAudio. Options in application ...
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0answers
32 views

How can you check the number of audio channels available in a USB DAC?

I'm writing a music application for Ubuntu that needs to know how many channels are available on the system. I have a USB DAC with 10 channels and another with 2. How can I read the number of channels ...
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0answers
264 views

Arch linux - sound disappeared after the installation of pulseaudio

I'm using Arch linux with the above onboard sound card : 00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01) Subsystem: Dell Device 0220 Flags: ...
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0answers
64 views

save alsamixer input source centos 6

I am not able to save the input source of my alsamixer. Every time I reboot the system the input source is set back to front mic. I want it to stay as rear mic. I tried alsactl store I disabled ...
10
votes
1answer
21k views

How to disable Auto-Mute Mode?

In alsamixer, there is an option called "Auto-Mute Mode", and it's enabled by default. But now I want to disable it. I've tried different keys but failed. Any idea? 0_0
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0answers
39 views

How can I make my laptop mic only output the left audio track?

For some reason when my laptop (lenovo u510) records audio with both audio tracks enabled, it doesn't produce any sound. I've found that muting the right audio track solves this issue, but whenever I ...
1
vote
1answer
239 views

Alsa hardware volume with PulseAudio

Before installing pulseaudio, I was able to control volume for the front (meaning on the front panel, the "headphone" jack) and rear (meaning on the back panel, the "line out" jack) separately. When ...
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0answers
697 views

No sound in headphone jack

Worked fine a week ago. Yesterday when I plugged headphones into my Asus laptop, I got sound both from headphones and speakers. Today after system crash (not sure what was the reason) when I plug ...
12
votes
1answer
1k views

Linux - Creating Virtual Audio Device

My question here is rather simple. How does one create a purely virtual audio device in ALSA that would be capable of: being used as an audio output destination, being used as an audio input source, ...
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2answers
126 views

aoss is preventing file logging - logging argument commands

I am using an application which requires aoss. The results are required to be appended to a file. When I write these commands, the file is always empty: aoss multimon -a DTMF | tee test.txt aoss ...
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0answers
363 views

Pulseaudio shared library error in Ubuntu

In Ubuntu 12.04 I get the following, whenever I try to use pulseaudio (e.g. when typing pulseaudio --version) /usr/bin/pulseaudio: error while loading shared libraries: libpulsecommon-1.1.so: cannot ...
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votes
4answers
3k views

Disabling built-in speaker in Linux

My workstation has a built-in speaker that, surprisingly, plays audio very well. I also have external speakers hooked up to the audio out jack which are easier to hear. Unfortunately, when I try to ...
1
vote
1answer
173 views

Sound does not work on X-server, works in TTY, Arch Linux w/ALSA

My sound system isn't working when I use the X server. When I use it in a TTY, it works fine. In a TTY, the output of aplay -l: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA ...
3
votes
1answer
645 views

Microphone not working on Apple Macbook Air 1,1 (Early 2008; A1237) under Linux

I'm running Linux on the MBA. I can't make the microphone work. I test using alsamixer and arecord -Dhw -fdat -vv mic.wav together with aplay -Dhw -vv mic.wav It seems there is a problem with Linux ...
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0answers
923 views

After updating archlinux, the maximum volume is far too low

I booted my Archlinux PC today and opened Mumble, and found that I couldn't hear anyone, so I opened some music and I couldn't hear that. After turning my volume to the maximum possible level in ...
2
votes
2answers
477 views

Turning speaker beep off by alsamixer permanently

Debian 7, x64. I can turn off the beep by reducing Speaker bar volume in alsamixer to 0. However, after reboot speaker volume in alsamixer is set to 100% again. How can I turn off speker beep ...
0
votes
1answer
331 views

How to create fake sound card on Ubuntu Server 12.04

I want to run 'blender --background --python script.py' on my Ubuntu Server which does not physically have any sound equipment. It turns out that blender requires sound card. I see following error ...
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1answer
281 views

How to use synchronous endpoint of USB audio device?

I want to play the same sound over several USB audio devices in sync. Last time I tried something like this was about 2001 and it was successful -- and the pair of Griffin iMics I used back then still ...
0
votes
1answer
2k views

No sound after updating alsa

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
1k views

Switch default HDMI device in Ubuntu

When I connect my pc to a TV using HDMI cable I don't get audio over HDMI. PulseAudio Volume Control detects the HDMI audi output as unolugged. aplay -l lists the following: **** List of PLAYBACK ...