Questions about audio hardware and software in Linux and other UNIX operating systems.

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9
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0answers
1k 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
0answers
135 views

Auto-switching PulseAudio profiles based on input(s) channel count

I'm running audio over HDMI to my receiver, which has a full 7.1 setup connected to it. However, most of the stuff that I listen to has far fewer channels—some is mono, most is stereo, a bit is 5.1. ...
3
votes
0answers
20 views

urxvt- play mp3 instead of beep

Does anyone know how to make urxvt play a mp3 file in replacement of a system beep? My PC does not have a pc speaker so I need a way to make terminal notifications go through sound card.
3
votes
0answers
28 views

End recording once silence is detected

I've been using something like this up to now: End sox recording once silence is detected But now I'd like for the audio source and recording mechanism to be separate. I can get the source as an ...
3
votes
0answers
70 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 ...
3
votes
0answers
99 views

Change output voice frequency

My friend can not hear all voice frequencies. I need software that brings all frequency spectrums to a specific band. Is there any software to help me do this? I mean change all output sound ...
3
votes
0answers
69 views

How can I have pulseaudio always load a USB soundcard as the same sink every time I boot?

I have 9 identical soundcards connected via USB to a PC running various audio rendering servers. Each card is loaded in /etc/pulse/default.pa by disabling module-udev-dectect and manually loading ...
3
votes
0answers
147 views

Sound crackles and echos to the point of being unusable

I recently got a new desktop, installed debian 64 bit, and found out that the sound doesn't work at all. I'm not entirely sure what information I should give to help identify the problem but I'll do ...
3
votes
0answers
86 views

Cannot “resume” music

I've had the following issue across multiple music players and multiple distro's. Currently I am experiencing it in Rhythmbox on Arch Linux. Whenever I play music and then pause a track I am unable ...
3
votes
0answers
104 views

Play sound when suspending and resuming

I'm trying to get my sound theme all working how I want it. Reading the sound naming spec by freedesktop, it has an entry "suspend-start" and "suspend-end", which is supposed to fire when the ...
3
votes
0answers
2k views

How can I forward sound over VNC?

I use TightVNC and Remmina Remote Desktop to connect my Raspberry Pi to my Ubuntu laptop over VNC. It works great for the most part, except for the fact that there is no sound. I have googled all ...
3
votes
0answers
589 views

How to set up AMD Cayman/Antilles HDMI Audio (Radeon HD 6900 series)?

I've got an AMD Radeon HD 6950 card: $ lspci | grep AMD 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cayman PRO [Radeon HD 6950] 03:00.1 Audio device: Advanced Micro ...
3
votes
0answers
675 views

Why does skype not pick up my microphone?

I've got skype running (32 bit mode) on Slackware64 — the sound is fine but my mic is not able to be detected. KMIX shows that my mic is enabled, and I can hear myself when I test it. Some ...
3
votes
0answers
114 views

Allow audio from only one application

I'd like to only allow audio from a certain application. That is, I'd like to have audio turned off by default for new programs. I'm aware that in PulseAudio one can mute programs, but the problem ...
3
votes
0answers
643 views

Using Creative Sound Blaster on Ubuntu Server

I just got a Creative Sound Blaster for playing audio wirelessly. I connected it to a virtual version of Ubuntu desktop and just had to go into the sound settings and switch it to the USB and the ...
3
votes
0answers
137 views

Restricting sound control

I need to restrict users so that they cannot output sound from built-in speakers. They should plug their headphones to hear any sound. They should be able to control headphone volume level, but not ...
3
votes
0answers
886 views

No sound in webex player in wine

I am using Fedora Core 10. I have installed wine with both wine-alsa and wine-oss sound drivers. I am able to hear test sounds by running winecfg, but when I run the webex player there is no sound, ...
2
votes
0answers
41 views

How to make Alsa Loopback device to work in Puredata

I'm trying to route an audio signal from an Airplay source (with Shairport-sync) to Puredata. To do so, I created a Loopback Device in Alsa. Then I set this virtual device as Shairport's output like ...
2
votes
0answers
59 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 ...
2
votes
0answers
23 views

Linux sound lags while copying from USB key

Why did I experienced sound skipping while copying a big file from my USB key onto my computer's drive? I monitored the system during this I/O operation: music was playing from Internet on the ...
2
votes
0answers
84 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 ...
2
votes
0answers
82 views

Is there simple applet mixer for pulseaudio

With new openSUSE 13.2 I find huge problem with sound -- with ALSA I lost the line out, and besides the sound was too quiet in general (today max out, is yesterday half). With help of pulseaudio ...
2
votes
0answers
35 views

PC speaker device missing

I've just connected a small internal PC speaker to my motherboard. The beep command is producing sounds correctly. The pcspkr is loaded but there is no /dev/pcsp, so I cannot send audio to it. How ...
2
votes
0answers
87 views

How to stream audio from /dev/dsp?

What is the best way to stream audio from /dev/dsp (I'm using OSS on Debian). I would prefer HTTP streaming, but if there is a way on another protocol, I can deal with that.
2
votes
0answers
254 views

How do you redirect audio output in FreeRDP?

I have trouble redirecting audio during my rdp connection with freerdp. When I use this command: xfreerdp /v:ServerName /u:User /p:Password /d:Domain /audio I get this error: Warning ...
2
votes
0answers
193 views

Focusrite Scarlett on Linux input mapping?

Does anyone use these interfaces on Linux? If so, how do the inputs map (e. g. with ALSA/PulseAudio)? E. g. the Scarlett 6i6 has the following connections. Inputs: 2x symmetric XLR inputs (one for ...
2
votes
0answers
261 views

Android w/ Glibc stack, how can I set-up audio w/ nvlc? Is it possible with ALSA(Debian)?

With the help of the book "Embedded Android" by Karim Yaghmour I managed to learn enough about Android's build process last fall. With enough fiddling around and Google'ing I learned a sufficient ...
2
votes
0answers
399 views

Internal microphone not working.. again (Fedora 20, KDE, HP 8460p)

Unfortunately I have yet another "adventure" with my internal microphone. Everything is un-muted in alsamixer, as well as in pavucontrol. It is not the first time it stopped working, but now - for ...
2
votes
0answers
528 views

Microphone not working on Centos 6.5

I have installed CentOS 6.5 on a Dell Insperion with an Intel chip. I first noticed that my microphone is not working on Skype on CentOS although it was working fine with Windows 7 on the same box. ...
2
votes
0answers
90 views

Debian: pulseaudio sink volumes syncing?

Running Debian jessie with pulseaudio, sometimes I would use pavucontrol to adjust volumes of different applications at varying levels. Then when I would forget about it and adjust the volume using ...
2
votes
0answers
557 views

Extremely loud crack and mangled sound over S/PDIF using ALSA

Sometimes it seems ALSA on my machine goes completely haywire: Flash audio on Spotify doesn't produce any sound. SMplayer plays audio just fine, or doesn't play at all (I've observed the latter ...
2
votes
0answers
63 views

Trying to record from the default audio source

I am trying to record the sound output, but this looks more complicated than expected. I expected that arecord -f cd -t wav --max-file-time 3600 --use-strftime %Y/%m/%d/listen-%H-%M-%v.wav would ...
2
votes
0answers
1k views

CentOS 6.5 sound permissions

I am trying to configure ALSA for a CentOS 6.5 minimal install, my problem is non-root users do not have permission to access the sound devices in /dev/snd because the files are missing access control ...
2
votes
0answers
204 views

Lock all devices when adjusting pulseaudio volume in kmix

My problem is that kmix adjusts the volumes of not all devices locked together. Adjusting built-in analog stereo also adjusts application's equalized stream and ALSA plugin. But webcam and event ...
2
votes
0answers
1k views

Problems with sound in Linux Mint 15 on video

Problem: I think you'll enjoy this fun problem. I set-up a dev/media server. Steps to reproduce: Start up any video file (with Banshee or VLC or xfce player - doesn't matter) -- all is well. Sound ...
2
votes
0answers
645 views

Linux Mint SPDIF Out Not Working

I'm running Linux Mint 15 (Cinnamon) on a computer with a GA-Z68X-UD3H-B3 motherboard. The only issue that I have had is the sound. The analog outs work fine, but I cannot get any sound from the ...
2
votes
0answers
296 views

How to send HDMI sound to OTHER HDMI port?

I am running XBMC on a Debian Testing system on my HTPC. I want to switch between my monitor for browsing and my tv for XBMC. This is no problem. But the sound only seems to reach my television when ...
2
votes
0answers
78 views

VST plugin integration into ALSA?

I have "headless" (e.g. no graphical front-end) VST plugin that I would like to embed into my ALSA setup to continuously filter my sound. I remember that there used to be a LADSPA plugin which itself ...
2
votes
0answers
48 views

Configuring Enlightened Sound Daemon

I have a single audio source specified in ALSA as plughw:1,0 (a USB microphone) and I'd like several other processes to be able to access the source simultaneously. For various reasons, each process ...
2
votes
0answers
327 views

How to configure buildroot to add a sound device?

I've used a given board configuration to reconfigure it for my individual board. My board has a CS4270 sound device of Cirrus Logic. My uImage is booting successfully on my target hardware, but an ...
2
votes
0answers
60 views

Losing sound after installing wine 1.5 (+python 2.7)?

I have a desktop and a laptop computer. Since I wanted to run IrfanView (that works great now!), I installed wine 1.5.22, which involved installing 1 GB of dependencies. The desktop continues to work ...
2
votes
0answers
199 views

Audio quality issues with mpd

I have been using mpd for a long time now and absolutely love it. However, I recently added a few video files to the mpd database. Now I understand mpd won't play the video files, I don't want it to. ...
2
votes
0answers
201 views

Music Server for WLAN-Speakers

There are several systems with WLAN-Speakers for sale. Most of them consist of several Boxes with WLAN-Recievers and a WLAN-Router/Storage-Device to spread the sound information. The WLAN-Speakers ...
2
votes
0answers
5k views

No sound with Mint 12 and Realtek ALC892

Installed Mint 11 last week and I've got no sound. I've read around, went through the trouble shooters. Poked and prodded. Still no sound. It worked right out of the install with this hard ware in ...
2
votes
0answers
307 views

System beep not working in TigerVNC

I just upgraded my Gentoo Linux computer (where I'm running Xvnc from TigerVNC 1.0.90 (1.1 beta 1) compiled myself against xorg-server 1.9.5), and I'm no longer getting any bell sounds, just silence. ...
2
votes
0answers
274 views

Mouse click sound on fedora

I have a USB touch screen system with Fedora 14 installed. I couldn't get to play sound on any mouse click (on touch). Is there anyway to play a click sound, either by changing some configuration or ...
1
vote
0answers
10 views

How can I synchronise kmix and alsamixer volumes at maximum?

Occasionally, I can increase kmix's volume to its maximum (using the volume hotkeys), but the sound is still very quiet. I can open up alsamixer, and see Master at ~8%, even though kmix's volume is ...
1
vote
0answers
6 views

Intel HDI Sound (ThinkPad X60) not working without display manager

My sound works out of the box under Fedora 20 as long as I use lightdm. But I don't want to use any display manager -- if I use X, I start dwm manually. Unfortunately, the Intel HDI driver (Model ...
1
vote
0answers
12 views

No more notification sounds

Since a couple of days, my system has taken to no longer playing notification sounds. And I don't know what I changed to make that happen. (My gut feeling says: "but I didn't change anything!", but ...
1
vote
0answers
9 views

Is it possible to have a separate audio for selected application with PulseAudio?

Currently I have single audio card (actually it is part of motherboard). I have installed PulseAudio, Skype, and other software. What I would like to do is buying second audio card (because I suspect ...