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

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137 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: ...
2
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0answers
943 views

No sound output or hardware to choose from in gnome sound settings

There is no sound output when I try to play music or videos etc. When I run $ speaker-test I get speaker-test 1.0.25 Playback device is default Stream parameters are 48000Hz, S16_LE, 1 ...
2
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0answers
806 views

Linux noob trying to get headset to work

I am trying to get my headset (Logitech H390) to work on a new linux installation (centos 6.4). Unfortunately I am unable to hear anything from the headset. I have tried several options from the sound ...
2
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0answers
940 views

ALSA buffer xrun when recording with ffmpeg

Is there any way to increase the ALSA buffer size? When running this command: ffmpeg -f alsa -ac 2 -i hw:1 -ar 44100 -b 64k output.mp3 I get a "ALSA buffer xrun" before my system locks up Input ...
2
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0answers
296 views

Strange sound behavior

First of all, sorry for the tittle. English isn't my native language, and I can't find a word to describe the strange behavior I'm getting here. In the most simple explanation, is like sound keeps ...
2
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0answers
401 views

How do I use wine's new multi-channel audio support?

Wine supposedly added Multi-channel support to the ALSA driver in a recent release. However, I haven't found any documentation about it or any reports of anyone successfully using it. I have 5.1 ...
2
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0answers
1k views

AC3 & DTS Output Produces Buzzing/Noise Using a52 ALSA Plugin in Pulseaudio

Note: I hope this is the right site to ask it on, as I'm using ubuntu 12.04 64bit but assumably this is a general linux/alsa configuration question. I've followed the guide at ...
2
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1k views

Scratchy sound with ALSA and USB Sound card

Since frying my onboard soundcard, I'm trying to get a new USB sound card to work with ALSA. Everything looks fine too: [oliland@olidesktop ~]$ lsmod | grep '^snd' snd_seq_dummy 1455 0 ...
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873 views

using Ubuntu 10.10 I want my speakers and head phones as separate devices

I would like it if I could set my rear speaker jack, not surround sound rear, to be used as the system default only. I want the head phones, that plug into the front of my PC, to be silent, unless I ...
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0answers
29 views

How do I set the default soundcard for the root user?

I am running raspbian Jessie on my raspi 2. I have an external usb soundcard for my pi. I set it as the default card simply by going to Menu->preferences->Audio Device Settings. This works as ...
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12 views

What happened to “Ignore keyboard volume buttons.” preference in VLC?

On my Debian system, VLC 2.2.1 is responding to my laptop's volume keys, and also forwarding them to the system, so when VLC is open the keys adjust both volumes simultaneously. Basically, I'm seeing ...
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33 views

Debian Unstable x64: ALSA equalizer plugin unavailable to i386 applications, no sound

I'm running Debian Unstable x64, but sometime use legacy applications or games that are only available in i386. With plain ALSA (there's only so much PulseAudio a sane person can take), i386 ...
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0answers
84 views

linux - headphones and speaker works only AFTER resume from sleep

Good day all For quite some time I have had this issue, not distro specific, I assume it is a kernel related issue. aplay -l **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], ...
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0answers
62 views

Google Chrome use alsa instead of pulseaudio

I would like to make Google Chrome use alsa instead of PulseAudio so there is not a delay when watching netflix. However, I don't want to uninstall PulseAudio because I need to be able to use Skype. ...
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138 views

Ubuntu 15.04/15.10 does not play any audio after 'amixer set Master toggle' two times

I used the 'amixer set master toggle' command to mute my music on the home server during a phone call. Afterwards I tried to use the same command to un-mute the mixers: Dind't work. I tried to ...
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0answers
225 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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106 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 ...
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0answers
2k 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 ...
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0answers
47 views

Default bluetooth device not allow to record from another device

I have already set the bluetooth device as default device for recording the audio. But I have add the another usb audio device for recording, the bluetooth device not allow the usb device to record ...
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0answers
199 views

Using 5.1 surround to play back 3 independent stereo streams

I built a small home server recently. It runs Ubuntu Server 12.04 and has a sound card (Via VT1708) with 3 audio jacks - which I want to use as 3 independent stereo outputs to play back (potentially ...
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0answers
519 views

How can I use a virtual sound card without the hardware?

I'm trying to generate and stream audio+video via aconv to a remote location such as Youtube from a headless linux server, which will then be multicasted out to the internet at large. I have ...
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0answers
79 views

Java Exclusive MIDI usage workaround?

I'm using a java applet, Jalmus to be specific, that implements MIDI usage. Whenever Jalmus is running, MIDI Input works (Midi Out doesn't but I don't need that) however, when attempting to connect ...
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0answers
139 views

What's the proper way to forward audio from i386 executables that use ALSA to an x64 pulse server?

I'm running Kubuntu Raring x64, and I had a program that I was unable to compile under my 64-bit environment but there was an already compiled version (32-bit) available for download (specifically ...
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0answers
495 views

Record line-in audio from two applications using Alsa

Im currently working on an small application which runs on a cubieboard (ARMv7, rasp-pi-like). What I really need to do is, accessing and recording the line-in audio-signal from two different ...
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71 views

ALSA - Codec Registration

My Codec is registered after SOC init is done. In SOC init, ALSA cannot find codec registered and hence defer the sound card registration. Later when I register codec, its entry is not registered in ...
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589 views

alsaloop: What happens on a buffer underrun?

I am tuning my sound interface latency with alsaloop -C hw:1,0 -P hw:1,0 -t $LATENCY_US When I set $LATENCY_US to 30000, I get around 20% CPU usage. I can restart this a few times and make some ...
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0answers
31 views

ALSA sound cannot get below 18%

My in-ear earphones are very loud, and I want to get them to be quieter. alsamixer works until it gets to 18% or "-45 dB". Then when I want it get even quieter, it jumps all the way to zero. 5 or 6 ...
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424 views

Wine screws up Pulseaudio and USB audio card when already playing ALSA stream

My setup is a Thinkpad T420 with Creative X-Fi USB audio card. Everything usually works fine, I can play multiple streams and arbitrarily move streams from one audio card to another. One use case ...
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791 views

no sound with an USB Microphone and pulseaudio

I connected my USB Microphone to my Computer, but i cant get it to work. Pulseaudio recognizes the device, and i can see and edit it with pavucontrol in the Input Devices section. I also can select ...
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0answers
2k views

Volume / gain too high with ALSA under Debian for an USB sound card

I encounter some issues configuring audio with ALSA on my Seagate Dockstar on which I plugged a little USB audio card. I'm able to play music with MOC but I'm stuck with a volume way to high. ...
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108 views

Headphones don't “isolate” speakers

I have bought some new 2.1 speakers but I have an issue. When I plug in the headphones the sound continues to play from the speakers (in a lower volume though). I re-ran alsaconf but I couldn't solve ...
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542 views

Alsa devices under Wine

I'm running OpenSuse 11.2 and Wine 1.1.28. Even if audio is perfectly working fine for me (Skype, Banshee, etc), when I try to configure audio for Wine (to use Spotify) I cannot hear anything from ...
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0answers
36 views
+50

Set volume using php exec and amixer

I wrote a little php script to control the volume of my local machine with alsa: <?php # for simplicity and testing it really just executes the command: echo exec('amixer set Master 5%+') . " \n"; ...
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0answers
15 views

Native Instruments Maschine Mikro and Linux

After searching a solution wherever I could, I'm resigned to ask it myself. I'm the owner of a Maschine Mikro MKII from Native Instruments and, some months ago, I switched to Ubuntu Gnome (under 15.10 ...
0
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0answers
14 views

Proper audio on Lenovo Y50-70 under Linux?

The Lenovo Y50-70 laptop is an amazing piece of hardware, and after some updates to Linux, almost every component of it works beautifly. But sound. It's quality is terrible compared to Windows', as ...
0
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0answers
25 views

How do I map the keys on a USB audio device to volume controls?

I don't have PulseAudio. I've been learning/tinkering with Alsa to setup USB device and effectively replace Pulseaudio with the configs. When the USB device is connected and I want to play through it, ...
0
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0answers
120 views

Chromium Speech-Recognition: Unable to set hw params for CAPTURE (Microphone)

I'm trying to get the Chromium Speech-Recognition working. I'm starting Chromium with the following command: chromium-browser --kiosk --incognito https://my.url --alsa-input-device=plughw:1 But the ...
0
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0answers
16 views

Why Won't `amixer` Set My Volume Below 17%?

When I run amixer, I see the following output for the "Master" channel: $ amixer Simple mixer control 'Master',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: ...
0
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0answers
145 views

Capture audio (alsa) and video (v4l2) from usb capture card

I want to save my old videos using a USB capture card. I'm using V4L2 Test bench and I've got working video and audio. I've managed to capture both audio and video, but not a the same time (saving to ...
0
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0answers
22 views

Configure MultiChannels on ALSA Linux Platform

I want to use ALSA library for playback and capture audio. I have an 8-channel interleaved wave file. When playing it through the program definitely recognizes that it has 8 channels. However, I only ...
0
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0answers
103 views

Understanding asoundrc and hdmi output

I am running nixos on a lenovo x220t. When it starts it finds the analog speakers and shows only them in alsamixer (or pavucontrol). However, when connected to an hdmi monitor/tv I can play sound ...
0
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0answers
34 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 ...
0
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0answers
47 views

pulseaudio pavucontrol: Missing “ALSA capture from” in gui

I am trying to redirect sound output to fake microphone, but I got stuck in pavucontrol. After trying 3 tutorials, I gave up due to missing "ALSA Capture from" options. It should look like Here's ...
0
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0answers
187 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 ...
0
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0answers
22 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 ...
0
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0answers
2k 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 ...
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0answers
1k 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 ...
0
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0answers
577 views

Gigabyte Brix TOSLINK/SPDIF with Archlinux

I tried setting up the combo analog/digital out on this little box with the help of this adapter, but I can't get it to output anything digital... aplay -l tells me that card 1 device 1 is "ALC269VC ...
0
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0answers
164 views

MPD fails to start the next song

I am running Arch Linux (e17) on x86_64; with mpd 0.17.3 and ALSA 10.0.26. One update ~three months ago mpd started acting strange. It would not start playing the next song, and it would appear as if ...
0
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0answers
2k views

Getting Logitech USB headset to work on Debian

I am attempting to get a Logitech USB headset to work on my Debian Squeeze computer. However, no matter what I do, there is no sound. I've already tried everything I could find on Google with no luck. ...