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

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1answer
3k views

Fedora 15 - Audio Configuration

I have a Macbook Pro 6,1 that I have dual booting OSX and now Fedora 15. I'm working on getting the audio working. In System Settings > Sound > Output there are two options for audio devices: High ...
23
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4answers
16k views

Generating random noise for fun in /dev/snd/

Recently I have been exploring the enchanted /dev folder. I want to write some random data to an audio device in order to generate some noise. I am using ALSA. So I instruct cat to pipe some random ...
2
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1answer
967 views

I don't have a /dev/dsa yet I have audio!

I was hacking around and hoping to direct some random data using pipes at /dev/dsa as follows cat random.file > /dev/dsa ...to get some random noise, but I can't manage to find an audio ...
7
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1answer
4k views

Sound input issue with skype, selecting a microphone?

Ok, Skype yet again has issues with sound. This time, it is unable to record audio. The system is using PulseAudio and I am using a web cam as a microphone. Actually, I tried another web cam and ...
2
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0answers
316 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
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0answers
281 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 ...
12
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4answers
5k views

Can I setup a loopback audio device?

If I can send audio to the output devices, then I can record the same audio as a wave. With filesystems, you can just setup a loopback filesystem and write binary data on a file instead of a device. ...
1
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1answer
2k views

Splitting WavPack files when the .cue file and .wv file have different names?

If a directory contains an album encoded as one large .wv file and a .cue file, splitting the entire album into individual .flac tracks is a simple task: $ cuebreakpoints foo.cue | shnsplit -o flac ...
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1answer
1k views

What app can I use to change sound levels in GNOME 3 (fallback)?

With GNOME 2, I use my the volume control applet to change loudness levels. It doesn't load on GNOME 3 (fallback) applet, so I wonder what other UI can I use for this, preferably a GNOME one.
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2answers
4k views

“lsmod |grep audio” doesn't return anything?

I am running Debian Squeeze. I installed and removed Gnome3 and reinstalled Gnome2.x (epic fail and stupidity) and in the process I have lost audio, lspci returns following # lspci | grep Audio ...
3
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0answers
906 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, ...
27
votes
5answers
11k views

How do I split a flac with a cue?

I've got a full album flac, and a cue file for it. How can I split this into a flac per track. I'm a KDE user, so I would prefer a KDE/QT way, I would like to see command line and other gui answer's ...
7
votes
2answers
751 views

No sound when attached to docking station

I have been using Linux and Ubuntu only since the last two months on my (2006) Sony Vaio VGN A617S laptop which is going pretty well on Ubuntu 10.10. When installing Ubuntu audio did get installed ...
3
votes
1answer
1k views

5.1 speakers on soundblaster x-fi 'extreme audio'

The rear and center channels on my 5.1 speakers don't work. I've checked the connections a few time, and turned up volume sliders in alsamixer “System information” in alsamixer correctly identifies ...
1
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1answer
1k views

Reading audio stream data from internet radio and pushing it to temporary file

I'm in the process of setting up an audio processor on my remotely hosted CentOS box. The audio processor itself is command line based, and after speaking with the author he explained to me that it ...
3
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1answer
494 views

Ubuntu 10.0 sound muted automatically on ThinkPad

My laptop is ThinkPad T61, with Ubuntu 10.10 installed. The sound works all well, until I plugged the Creative XiFi Go USB sound card. After I reboot my computer, the internal speaker is muted ...
8
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3answers
2k views

Is there a good command line tool for converting to and from FLAC audio format?

Ideally, I want to convert from MP3 to FLAC and back. I also need to be able to script this.
26
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5answers
20k views

How can I play a sound when script execution is ready?

I am executing every now and then some python scripts which take quite long to execute. I execute them like this: $ time python MyScript.py How can I play a sound as soon as the execution of the ...
6
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2answers
995 views

Volume up/down function keys limited to gnome-volume-control “Unamplified 100%” level

Using GUI gnome-volume-control: Sound Preferences ---------------------------------------------------------------------------- Output Volume: [--------------+ ] ...
2
votes
1answer
4k views

ffmpeg and libmp3lame produces bad audio quality?

when I get a flash video from YouTube, why is the quality of the audio much worse than the origin video on YouTube? When I downloaded the flash movie, I convert it to avi like this: ffmpeg -i ...
4
votes
2answers
7k views

Flash using wrong audio output with Pulseaudio

I'm using Arch Linux x86_64 with Gnome and PulseAudio. I have USB speakers, which work for the sounds in system menus and most other applications. But whenever I play Flash videos, they output their ...
0
votes
1answer
631 views

Do the “play” utility in Linux really have a “delay” to stop it's process with really small files?

I have a wav file, Duration: 00:00:00.17 (less than a second!) When I call play to execute it, play executes it fine, but my terminal becomes idle for ~4s until play process is done. Is this by ...
3
votes
1answer
1k views

Issues with ardour and jackd

I'm trying to play with ardour. When I started it up, it complained that jackd isn't running, so I ran jackd -d alsa, which displayed: jackdmp 1.9.6 Copyright 2001-2005 Paul Davis and others. ...
2
votes
2answers
637 views

Flash running in Chromium and FF at once, why no sound in the second browser?

I work as a student assistant Linux admin and I just packaged up Adobe's "Square" plugin to get 64bit FF running flash pretty well (first time I've seen it work this well), but there's one little ...
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2answers
280 views

How come I suddenly don't have any audio?

Just a few minutes ago my sound was working, and then it stopped! I suspect it was caused by me checking out some video editors. How do I go about troubleshooting this? What I've so far tried: I ...
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2answers
111 views

Is there a tool that lets me exaggerate audio levels?

It often happens that a movie I'm watching has audio loudness levels set too low. Since I use a typical laptop, I can't just go raise the volume level of my speakers. I've raised all knobs offered by ...
6
votes
1answer
3k views

Can someone diagnose this JACK error message?

OK. I start JACK without starting the JACK server. I get: 23:09:22.730 Patchbay deactivated. 23:09:22.765 Statistics reset. Cannot connect to server socket err = No such file or directory Cannot ...
7
votes
1answer
407 views

Prevent mplayer from changing system volume

When I change the volume in mplayer it also changes for other applications. How can I configure mplayer to only change its own volume? Or is this a problem with the rest of the audio stack? I am using ...
6
votes
2answers
923 views

Microphone always picks up sound and routes it to speakers

I've started running into a kind of strange problem on my laptop, and Google hasn't proved to be very helpful so far. Essentially, at seemingly random times, my microphone will start sending output ...
1
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1answer
247 views

No sound from cli apps or from zsnes

Some programs don't have sound, in particular ZSNES and anything I run from the command line. So my question has two parts: How can I diagnose this problem? (I'm thinking of a command like lspci ...
24
votes
3answers
19k views

How can I record the sound output with gtk-recordmydesktop?

I am using gtk-recordmydesktop to record the video output to my desktop. However, the videos have no sound. All the tutorials I found regarding this involved getting sound recorded from a microphone, ...
3
votes
2answers
2k views

Is the Creative Sound Blaster X-FI Surround 5.1 SB1090 USB sound card supported in Linux?

And to what extent does this card have support in Linux?
5
votes
1answer
900 views

Is the Zalman ZM-RSSC 5.1 USB Sound Card supported in Linux?

And to what extent does this card have support in Linux?
5
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4answers
2k views

How to “reencode” mp3 files

I have a fair number of mp3 files which I created using audiohijack pro on a mac. Now I no longer have a mac and am using them on my linux systems. Unfortunately the program I use (rhythmbox) to ...
1
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1answer
123 views

Sending music directly from MIC to LS

How can I tell linux to send directly from my microphone to my loudspeaker?
1
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1answer
885 views

Sound card not found anymore

I started my ubuntu today and Audio card was not working. Card is not even listed with lshw. No device with description like physical id: 1b (I remember the old device settings). Any ideas?
12
votes
2answers
2k views

How to rip scratched audio cds?

What is currently the best way to rip scratched audio cds under Linux? What I find complicated, is that there are several tools available but it is not clear if one tool has better error correction ...
7
votes
2answers
705 views

How to disable system beep for non-privileged user

How to disable system beep on Linux? I don't have superuser powers so I cannot recompile kernel/unload module.
1
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1answer
225 views

Easy way to use hardware mixing?

My sound card supports hardware mixing. What's the easiest way to use this feature (rather than on an app-by-app basis, hopefully)?
3
votes
4answers
2k 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 ...
7
votes
3answers
2k views

Is there something that will generate keyboard's click sounds?

I miss using a clicky keyboard at work. It's a fairly quiet office, so I'm stuck using a nearly silent keyboard. The upshot is that I can wear headphones. Is there something in Linux or X that can ...
4
votes
2answers
442 views

Audio recording does not work — how to diagnose?

I used KRec to record some audio, but when I played it back I got nothing. What are the things I need to do to figure out where the problem is? My computer is a Dell OptiPlex DX620, Intel Pentium 4 ...
16
votes
5answers
13k views

Sending audio through network

This is a rather crazy idea. I am planing to set up a configuration that would send audio being played on my laptop to my home server via local network so that the sound is played on the server ...
2
votes
1answer
396 views

Sometimes no sound in flash videos after boot?

Sometimes after I boot up the machine, I get no sound in flash videos. First I didn't know why it was happening, but as I read a few articles here and there, I found out it was because of my USB ...
1
vote
3answers
1k views

How to integrate sound with desktop events?

On Windows, the Sounds & Multimedia control panel allows the connection of sound snippets to various operating system events, like window movements, process start/stop, and start-up/shutdown. I ...