1
vote
0answers
9 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 ...
6
votes
3answers
553 views

Skype 4.3 without PulseAudio. 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 ...
0
votes
0answers
24 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 ...
0
votes
0answers
18 views

ALSA upmixing/processing conditionally from different numbers of input channels

After a lot of research and experimentation, I was able to get ALSA to upmix stereo to 5.1 surround sound the way I want it. However, my problem is now that I can't properly play mono sources (the ...
0
votes
1answer
164 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 ...
0
votes
0answers
17 views

ALSA from output to input

I need to translate sound from my VLC player right into my microphone input. Maybe I should create some virtual device and.. I don't know what to do.. and my english is not good so it's a real problem ...
1
vote
1answer
75 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 ...
1
vote
1answer
83 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
0answers
924 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 ...
0
votes
0answers
33 views

ALSA access to multichannel audio card instead of jackd

I have a HDSP9652 multichannel audio card connected to two ferrofish A16 ADAT-to-analog audio breakout boxes, all this is running headless under Ubuntu 13.10, Linux kernel 3.11. Using jackd 0.122, I ...
0
votes
0answers
104 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 ...
0
votes
0answers
249 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
votes
1answer
39 views

Automatically switch on speakers when there are Alsa clients

I want to connect a relay to one of the GPIOs of my Raspberry Pi. This relay supplies power to the speakers. I would like my speakers to be on only when there is sound activity. I am looking for ...
1
vote
2answers
215 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
0answers
354 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 ...
0
votes
0answers
31 views

How can I set setup an audiodelay for the complete audio output in linux?

Can someone tell me how I can setup a delay (0.1s - 0.5s) on the complete audio output on my raspberry pi? I am running the Raspyfi Distro and it's using the alsa sound driver. Thank you very much!
1
vote
1answer
550 views

ALSA “dmix plugin supports only playback stream” error when using dmix on beagleboard

On a Beagleboard, I need it to play sound from several processes. The default /etc/asound.conf is empty, so I put this dmix example in. Now sund mixes fine, but when I'm trying to run a process that ...
1
vote
0answers
35 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 ...
0
votes
1answer
176 views

No sound from headphones. Ubuntu on iMac

I have a fresh ubuntu on iMac. I have managed to set up the sound from the native speakers, however, there is still no sound from the headphones. I have disabled automute in alsamixer, but this didn't ...
1
vote
1answer
263 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 ...
1
vote
0answers
97 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 ...
2
votes
0answers
475 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 ...
1
vote
1answer
142 views

Set up a virtual capture device using ALSA

I am looking to set up a radio stream on my local network using a Linux box with ALSA. My first idea was to just have it capture the sound output, but this can be annoying for several reasons. (For ...
1
vote
1answer
222 views

Using loopbacks and null-sink cause extreme distortion after 20-30s during ffmpeg recording

I'm trying to record both video, speaker sounds and microphone sounds at the same time. To deal with the audio, I set up two loopbacks (one for microphone, one for speakers): pactl load-module ...
2
votes
0answers
391 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 ...
1
vote
0answers
164 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 ...
1
vote
1answer
1k views

No sound on Debian 7 stable

I have Debian 7.1. Today I have lost an ability to listening to music. I can hear sound played by speaker-test, mplayer and some applications sound (eg. Skype sound notifications). But I have problems ...
2
votes
3answers
10k 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 ...
7
votes
1answer
2k views

Prevent applications to control master volume on Linux

Whenever I change the volume in VLC, Rhythmbox, or a video on YouTube, it change the master volume, i.e. the system volume. How can I prevent this from happening? I'm running Debian 7.0.0 (wheezy) ...
1
vote
3answers
527 views

How do I get a volume OSD just like the one in OSX?

I'm using a Dell Studio laptop which has volume up/down hotkeys. On pressing these, I want a volume OSD to popup to show my current volume status just like in OSX; that is, just like: Anybody know ...
1
vote
3answers
2k 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 ...
9
votes
0answers
488 views

How is pulseaudio stitched together? [closed]

OK. Pre-post note; this became ugly long, - but the core of an problem is that I'm unable to find good articles or diagrams and explanations on this. There is a lot of "how too"s, but I'm having a ...
0
votes
2answers
455 views

alsa minimal configuration

I'm studying ALSA and I'm stuck with this alsa.conf file I need the most simplest conf file which can get my /dev/snd/controlC0 to work all my conf files (empty confs or some try with pcm.defaults ...
12
votes
1answer
845 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, ...
1
vote
0answers
289 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 ...
0
votes
1answer
18 views

anyway to take a 'snapshot' of alsamixer?

my audio card has some issues under ubuntu. everytime i fiddle with the volume, it messes up microphone. i can't set the microphone at all under ubuntu GUI. it tries to assume things from the ...
0
votes
1answer
1k views

VLC through a custom ALSA device

How can I make VLC playing through some of my custom ALSA devices? I created several custom ALSA devices (for routing, amplifying, mixing and other purposes) and can use them with Mplayer without any ...
0
votes
2answers
508 views

Alsa/PulseAudio mixing output from multiple processes

I wonder is it possible to rig alsa or/and pulseaudio so that audio output to left stereo channel will come form one process and to the right channel from another process?
-1
votes
2answers
883 views

Raspberry Pi sound

I am trying to configure the linux software festival which converts text to voice on a Raspberry Pi. Before and after the sound is played there is glitch sound that is heard. Does anyone know what ...
1
vote
1answer
2k views

How to address an alsa “mixer_device” in mpd config for a second sound card?

I run mpd on a system with a built in sound card and a second card that I plugged in via USB. Adressing the second sound card in the mpd.conf was easy: change: device "hw:0:0" to device "hw:1" ...
2
votes
0answers
286 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 ...
1
vote
1answer
1k views

ALSA does not find sound devices as user but can as root after kernel upgrade

Using Archlinux with x86_64 after kernel upgrade to 3.5.3-1, there is no sound, and ALSA run as user shows no sound devices. The proper kernel modules are loaded, and both dmesg.log and lspci show ...
1
vote
2answers
1k views

Why can't I play audio from two or more sources?

When I installed on my desktop mpd and mpc, I found that I can't hear other sources (like Amarok, Flash player etc.) at the time when mpc or other client is playing music. If I try to start an audio ...
3
votes
1answer
4k views

How to listen to microphone output on Linux?

I would like to hear the microphone output during Skype calls. I have tried fiddling with alsamixer settings and made sure that the mike is unmuted but still cannot get to hear the mike in either ...
1
vote
1answer
915 views

How to mix S/PDIF input and PCM Out (to hear PCM and S/PDIF simultaneously) in Linux?

In alsamixer I can select either PCM Out or IEC958 In (that's my S/PDIF input) but not both. Is there a solution? Note: I need stereo sound, so selecting IEC958 In for one channel, and PCM Out for ...
3
votes
3answers
2k views

Pipe System sound to another computer

i have no speakers in my PC(Cent-OS 5.5) but there is a stereo speaker connected to the computer next to my Computer(Cent-OS 5.5). Both computers are networked. Is there any way to pipe my system ...
3
votes
1answer
1k views

Change volume from bash

I got this far (from .bashrc): alias i="amixer -c 0 -- sset Master playback +1dB" alias d="amixer -c 0 -- sset Master playback -1dB" alias v4="amixer -c 0 -- sset Master playback 40%" alias ...
1
vote
0answers
1k 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. ...
2
votes
2answers
2k views

Ubuntu and XFCE: unmute sound

I've installed XFCE for Ubuntu and use it as my default X session. After this change some sound problems appeared: I can mute sound with alsamixer or with hotkey on a keyboard. But just reenable it ...
0
votes
1answer
220 views

Digital audio doesn't work under Linux

$ uname -a Linux nbb 3.2.1-2-ARCH #1 SMP PREEMPT Mon Jan 23 12:40:01 UTC 2012 x86_64 Intel(R) Xeon(R) CPU W3520 @ 2.67GHz GenuineIntel GNU/Linux I have an Intel ADA198x HD Audio interface (I believe ...