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

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2
votes
3answers
194 views

Fastest way to convert a large amount of FLACs to MP3s

I'm looking for something that can take advantage of my GPU or at the very least, multiple cores of my CPU to convert a few terabytes of FLAC to mp3 (VBR v0) very quickly while preserving all of the ...
2
votes
1answer
692 views

No sound on Debian VM

I installed Debian+XFCE using VMware and this YouTube video. Everything runs OK, but I have no sound in the VM. What's wrong?
2
votes
0answers
66 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
1answer
773 views

How to troubleshoot No Sound on CentOS 6.4 w/ USB headset?

Have a new Dell machine with a fresh install of CentOS 6.4. I have a headset hooked up via USB, but no sound. I'm not sure CentOS is recognizing my sound card -- or maybe it's not recognizing the ...
0
votes
0answers
95 views

Fix sound stuttering from snd-hda-intel

When I play mp3s on my openSUSE 12.3 (x586) Compal JFL92 laptop with codec Realtek ALC268 and sound driver snd-hda-intel the sound will skip forward and backwards a few times every minute at random ...
1
vote
1answer
246 views

Get the current volume level in OS X Terminal CLI?

I would like to check the current volume level from the CLI on my Mac. I know I can set it like this: osascript -e 'set volume <N>' But that doesn't seem to work when trying to get the ...
4
votes
2answers
944 views

Mathematica makes no sound under Ubuntu 11.04

After waiting for days for my license I now got the opportunity to install Wolfram Mathematica 8 at home. However, neither the Play nor the Speak functions are doing anything as it seems that ...
2
votes
0answers
271 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. ...
1
vote
0answers
36 views

Headset not working in OpenSUSE

When I plugin my headset into my computer, running OpenSUSE, I do not get any audio. The regular speakers work fine. The reason this is happening, I think, is because it still tries to output through ...
0
votes
0answers
502 views

headphone/Microphone is not workingLinux mint 15

I was using windows and my headphone and speaker was working fine there. Recently I moved to linux mint and having problem to get sound on headphone. Speaker still working fine. I have tried several ...
3
votes
3answers
1k views

Sound Problems with pulseaudio

The overall question that my whole problem is kind of based on is regarding sound in linux. Should I be using alsa or pulse or what? I'm using pulse at the moment and this is my problem: I was in the ...
0
votes
1answer
240 views

timidity: No instrument mapped to tone bank 0, no idea which one is missing

I am trying to play this midi file downloaded from here, but I get: $ timidity --verbose marivonnig1\ \(1\).mid Requested buffer size 32768, fragment size 8192 ALSA pcm 'default' set buffer size ...
0
votes
1answer
52 views

No sound since I first pressed “mute” on my keyboard

I have a problem with sound. I once pressed the mute button on my keyboard and since then I couldn't do anything to get the sound back on my headphones (obviously, including pressing mute again). I ...
0
votes
0answers
109 views

Gnome can't open Sound Mixer - No volume control GStreamer plugins and/or devices found

I'm trying to get sound output working on a VPS, but whenever I'm trying to open the gnome sound control panel as non-root, I'm getting the error "No volume control GStreamer plugins and/or devices ...
2
votes
1answer
62 views

How to use OSLEC with Alsa as default, not with Pulseaudio or other thirdparty package involved?

Oslec Echo canceller I have seen some packages used OSLEC and there echo cancle was very well. So for a test simulation, how could i install the OSLEC only with Alsa (i do not use PulseAudio at all, ...
1
vote
1answer
257 views

How to turn off internal laptop speakers when external speakers / headphones are connected in Elementary OS?

In the eOS settings I see no option to make internal speakers turn off when the external jack is connected.
0
votes
0answers
68 views

Playing music or video under Ubuntu crashes programs [closed]

I found out something was wrong when I was trying to watch YouTube videos, Firefox would freeze up. This too happened with chrome, but then just the tab crashed. So I looked up some fixes, I tried ...
2
votes
0answers
82 views

Desktop audio falls behind when recording microphone + desktop audio + screen using ffmpeg

I have put together this script for recording the microphone, the desktop audio and the screen using ffmpeg: DATE=`which date` RESO=2560x1440 FPS=30 PRESET=ultrafast DIRECTORY=$HOME/Video/ ...
2
votes
3answers
298 views

Extract audio from video in Linux with a GUI program?

When I use Thunar I like adding to custom actions command lines like those presented here, here and here to extract audio from videos. I mean without transcoding/altering the sound, just putting it ...
1
vote
0answers
77 views

Switching output sink/moving audio streams - but some apps still use the old sink!

I'd like to easily switch between a usb-connected amplifier/dac and my onboard audio. I'm using a fully updated Arch Linux x64 with PulseAudio 4.0-2. Another thread on this board is about switching ...
10
votes
3answers
2k views

Detecting headphone connection/disconnection in Linux

I am trying to detect a signal when a headphone is connected or disconnected from the system. What is the best way to do this? If there is a special board with drivers, that will be my preferred ...
2
votes
1answer
464 views

Disable Cinnamon volume applet's sound when changing volume

I recently updated my Linux Mint Debian Edition to update pack 7. Since then, every time I change the volume by scrolling on the volume applet that is on my panel, an annoying beep is played. Similar ...
3
votes
1answer
93 views

How can I disable the shutter sound of gnome-screenshot?

After a recent update of my LMDE, the gnome-screenshot tool started making an annoying camera shutter noise every time a screenshot is taken. This is both annoying and startling (especially if you ...
2
votes
1answer
819 views

convert arecord output to flac

I'm trying to convert arecord wav output to flac and it does work in part: pi@raspberrypi /tmp $ arecord -d4 -f dat -t wav -r 48000 -c 2 |flac -f -o message.flac - --channels=1 --sample-rate=16000 ...
1
vote
0answers
54 views

Reassigning input connectors for HDA ATI SB (Intel HDA / Realtek ALC883) soundcard

My soundcard has three input connectors at the back: green, orange and black. Usually I have them connected with my front, read and subwoofer speakers. Sometimes though I want to reassign them to be ...
2
votes
1answer
385 views

Alsa - how can i tell my default audio output is card 2 and device 0, not hdmi?

how can i tell my system default sound output is card 2 and device 0 not card 2 device 3 or 7 or 1? I did this but no sound. $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Device ...
5
votes
1answer
182 views

Using OGG/Vorbis, is there a way to continue to record to an existing audio file?

I am using Vorbis/ogg to record audio (using arecord and then pipping to oggenc). I have downloaded oggvideotools, which gave me oggCat, which will let me join two previously recorded audio files into ...
0
votes
1answer
162 views

Alsaaudio module, recording for specific amount of time

The below code records the audio for some time (I don't know how much) How to calculate the total time of its recording? For example, if I want to record for just one minute then how would I limit ...
1
vote
1answer
347 views

audio recording - record two sources simultaneously, merge into a single 2-track recording

How can I record two audio sources at the same time and create a file where one source is the left channel and the other source is the right channel of a lossless stereo audio recording? My distro ...
1
vote
1answer
254 views

record audio on Linux - capture both sides of a VoIP conversation

I want to use Audacity (or similar) to record audio for podcasting. The podcasts will be interviews conducted via voice-over-IP (SIP) telephone. I came across an excellent tutorial here: ...
1
vote
3answers
10k views

How do I enable sound in Fedora 17?

I did a minimal install of Fedora 17 some months ago and only until today did I try playing some audio with it only to find out that sound is not working. How do I get the sound to work on Fedora 17? ...
3
votes
0answers
333 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 ...
1
vote
1answer
149 views

Pulseaudio over network - change output on-the-fly

I successfully configured PulseAudio server and client to send audio over network. It uses direct connection: http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Network/#index1h2 ...
5
votes
3answers
1k views

Disable KDE system sounds

How to disable KDE system sounds? I mean all sounds on startup, on dialog box popup, on error and so on, without turning off the actual media sound. I use KDE 4.7.4
1
vote
0answers
92 views

Why doesn't my udev rule work?

I created a file /etc/udev/rules.d/60.alsa.rules with the following content: KERNEL=="0000:00:1b.0", SUBSYSTEM=="pci", ATTR{label}=="Realtek High Definition Audio Device", ATTR{vendor}=="0x8086", ...
1
vote
1answer
159 views

Separate speakers and headphones output

I have a PC with builtin soundcard, and it has one output for the speakers (behind the computer) and one for the headphones (on the front side). When I play something, the sound goes to both outputs. ...
1
vote
0answers
33 views

How can I stub out an audio interface in jack?

I've got a Tascam US-800 8-in/4-out audio interface that I use to record into Ardour. The setup is great, but I like to do my mastering and mixdowns elsewhere and I always have to drag around the ...
3
votes
1answer
415 views

how to use avconv to record streaming audio (how to define sources)?

I have never used avconv before. I've been reading the manual and asking questions on various forums and IRC for the last couple weeks but I have not found an answer yet. (This question is one part of ...
3
votes
1answer
1k views

Ideas how to get my usb audio interface to work with Linux?

PulseAudio does not appear to recognize the Focusrite Scarlett 6i6 USB audio interface. The 2i2, however, is properly recognized and it works as expected. I can't seem to get the 6i6 to work on the ...
0
votes
1answer
47 views

What program reads and executes /usr/share/alsa/alsa.conf and related scripts?

I can't find any kind of daemon application for modern ALSA. I wonder, what process or kernel thread reads /usr/share/alsa/alsa.conf and other configuration files under /usr/share/alsa, when it reads ...
1
vote
1answer
2k views

ALSA: how to temporarily change the output device

I want to do a simplest thing possible in ALSA: to have USB-headphones produce sound instead of internal speaker of my tablet. I don't want to change config files such as asound.rc or alsa.conf or ...
19
votes
6answers
46k views

How do I make my pc speaker beep

Using bash, how can I make the pc speaker beep? Something like echo 'beepsound' > /dev/pcspkr would be nice.
1
vote
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 ...
1
vote
1answer
149 views

Applications grabing ALSA exlusively

So, my second question about linux audio on the site. The previous one generated quite a lot introductory information. I have ALSA and PulseAudio installed. Before installing PulseAudio, no audio ...
2
votes
1answer
210 views

Alsaequal volume gain, Pre-Amp like

I use alsaequal for equalize my audio, hitherto ok, but all know that after equalizer the volume is low, some equalizers have a control called "Pre-AMP" that solve this problem, but in Alsaequal ...
4
votes
2answers
431 views

Ubuntu 11.10 with gnome shell - suspend wake up sound

I would like to be able to enable some sound file to play whenever I suspend and wake up my netbook (MSI Wind u100) but I can't found a way to do this in gnome shell. I'm using PinguyOS 11.10, which ...
1
vote
1answer
240 views

How to preserve the logind session in Arch Linux?

I got audio working in Arch Linux without problems yesterday, but at some point it stopped working again: $ alsamixer cannot open mixer: No such file or directory $ vlc foo.mp4 ... [0x7f1388006be8] ...
3
votes
3answers
3k views

How I can record stream radio in Linux?

How can I record a radio stream in Linux like the screamer in Windows? Does anyone have any idea or suggestion?
4
votes
1answer
237 views

Linux sound: how does it work and why do I need to chain 3 architectures to use JACK?

Linux newbie: How do I use Jack? How does Linux sound work? I have an app that is trying to output sound through ALSA or JACK, but I am not hearing anything. Here are a couple of articles, from ...
1
vote
0answers
108 views

Cannot find Audio Hardware for my Workstation

Audio is NOT working in HP workstation xw 4600. I cannot find any hardware present at System-> Preferences -> Sound -> Hardware (Tab) The command lspci -v shows following output of Audio ...