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

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5
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0answers
432 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 ...
4
votes
0answers
95 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
43 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
42 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
103 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
81 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
71 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
509 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
599 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
103 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
552 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
135 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
831 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
28 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
31 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
33 views

Gnome screenshot: turn off camera sound *without* admin rights

Is there a way to disable the gnome screenshot camera sound, with needed admin access? There's an answer here, that involves moving a file from somewhere in /usr/... How can I disable the shutter ...
2
votes
0answers
22 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
63 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
138 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
99 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
2k views

How to enable both built-in audio output and HDMI audio output with PulseAudio?

I've been searching for this issue for days now and tried various solutions suggested, without any success. Basically, I have a laptop with built-in audio (the output goes either to the headphone ...
2
votes
0answers
138 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
1k 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 ...
2
votes
0answers
260 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
74 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
359 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
49 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
167 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
533 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
253 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
64 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
46 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
248 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
54 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
181 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
198 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
296 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
254 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
31 views

How to display audio visualization in VLC while playing video?

I've tried enabling all of the entries in Audio → Visualizations, but they don't show up. Disabling the video track didn't help either. Running VLC 2.1.5 Rincewind on Awesome WM.
1
vote
0answers
27 views

real time kernel / low latency comes from the vanilla source

Does the vanilla source provide real time / low latency functionality ?
1
vote
0answers
15 views

How do I direct my audio to a bluetooth device?

I have successfully paired my "headset" (actually its a speaker) with KDE. Now where can I go to tell it to send audio to the speaker. My multimedia settings don't seem to list the device as an ...
1
vote
0answers
51 views

Why don't I hear audio playing from my CentOS 6.5 Vagrant box?

I want to play a wave file from my CentOS 6.5 Vagrant box using aplay and of course I want to hear the sound. This is what I do: > aplay sine.wav Playing WAVE 'sine.wav' : Signed 16 bit Little ...
1
vote
0answers
44 views

Change audio volume when headphones are plugged in KDE

I am working on Debian 7 with KDE Version 4.8.4. I want the volume to be reduced automatically when I plug my headphones, I know it is not a problem with my computer (at least directly) because it ...
1
vote
0answers
59 views

Enhance bass in sound system

I use a high quality headphone which capable of producing really great sound. On another computer and on various OS, it was able to produce some deep bass sound. I previously used my headphone on a ...
1
vote
0answers
99 views

Disable HDMI Audio Output if it is not plugged in

I am using Fedora 20 on a Dell Precision M3800. When i'm in the office, i wanna use my Bluetooth Headphones. When i'm at home, i'm using often my Sony TV as my second Display(via HDMI). When i'm at ...
1
vote
0answers
27 views

Pulseaudio: “virtual” sink just for controlling volume

I got a box that runs XBMC and other media apps, and various apps that play status sounds. I'd like to have two "virtual" sinks (basically just for controlling the volume of a group of applications), ...
1
vote
0answers
46 views

How to get Debian to detect my Audigy 2

I started my PC this morning and noticed that I had no sound. Since last using the sound card successfully, I had installed openssh-server, but I suspect this is unrelated. I think my PC isn't ...
1
vote
0answers
127 views

Record from the microphone indefinitely

I'm working with the application "arecord" (under Arch-Linux). I'm want to capture sounds from my microphone and save it to the disk. This is my command: arecord -f dat -d 2 --channels 1 -D hw:1,0 ...