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

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2
votes
1answer
956 views

Debian linux installation cannot play sound

I am trying to get my Linux installation to play musix. I have debian linux. The contents of /etc/debian_version are: 6.0.2 I cannot seem to get any sound to play from my speakers and after looking ...
2
votes
2answers
994 views

Streaming all local audio to Icecast Server

Does anyone know if it's possible to stream all audio on a computer to a local icecast server. I was able to stream individual files using ices2 but not all audio generated from my computer. Any ...
2
votes
1answer
2k views

How to turn microphone jack to headphones jack?

I've picked out my headphones jack. Can i change my microphone jack to headphones jack only by soundsystem configuration? My soundcard is Intel82801I (ICH9 Family) HD.
4
votes
1answer
669 views

Why is vlc not syncing audio and video correctly?

max@linux-vwzy:~> vlc --version VLC media player 1.1.11 The Luggage (revision exported) VLC version 1.1.11 The Luggage (exported) Compiled by abuild on messiah (Aug 17 2011 15:23:16) Compiler: gcc ...
5
votes
2answers
1k views

Automatic Volume settings?

When I watch a Movie on my Desktop PC - Fedora 14 - In many times the Movie is too quiet to hear, but sometimes....it's too loud - Because there's suddenly music, or an explosion, that's really ...
4
votes
2answers
782 views

Output sound by writing to /dev/dsp

I know that it is possible to write arbitrary data into /dev/dsp and a noise will come up from the speakers. But whatever data I pass to this file the noise is the same. I wonder is it possible to ...
2
votes
1answer
502 views

Renaming alsa controls

Is it possible to rename alsa controls? My front panel is controlled using "Speaker" and my the back plugs are "PCM". Since this isn't very descriptive I would like to rename them to something more ...
2
votes
1answer
5k views

Play RTMP stream from command-line

I've managed to get flvstreamer to read a radio station's RTMP stream with the options --live -r [url], and it outputs what I guess is the raw audio data + stream info to stdout. Can I make it play ...
4
votes
1answer
793 views

How to get Debian's volume control working with Pulse

I finally configured Pulse to work with every application, however using the volume control on my keyboard still controls the default ALSA selected device. How do I change it so it adjusts the current ...
4
votes
1answer
3k views

How to disable the beep sound system-wide

If I want to disable beep sounds from stuff like bash, I add this line to "/etc/inputrc": set bell-style none Sadly, this doesn't work for some other events like GDM start-up and shut down. I ...
3
votes
1answer
2k views

How to get recordmydesktop to record application's audio on Debian/Squeeze?

I'm on an amd64 Debian/Squeeze install on an Intel DX58SO motherboard. I want to use recordmydesktop to record application's audiovisual output. It's important any audio generated by the ...
1
vote
1answer
78 views

Shift every mode by a constant factor of an audio signal

Is there any tool for linux which can shift every frequency of the spectrum of a sound signal by a constant factor and output the resulting sound? Especially I am looking for a way to simulate the ...
4
votes
1answer
284 views

Audio frequency spectrum of a video at a given time

Is there a simple way to get the audio frequency spectrum at a given time of a video? My motivation is the following: I was wondering if it is possible to "measure" the Doppler shift from YouTube ...
4
votes
3answers
1k 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 ...
11
votes
2answers
4k views

How to record my full screen with audio?

If I want to record my desktop, I use: ffmpeg -f x11grab -s `xdpyinfo | grep -i dimensions: | sed 's/[^0-9]*pixels.*(.*).*//' | sed 's/[^0-9x]*//'` -r 25 -i :0.0 -sameq valami.avi But it doesn't ...
5
votes
2answers
341 views

Is it possible to record audio directly to a computer's optical drive?

There's a question over at audio.SE at the moment and I thought it may attract some answers here. I asked the user and he's happy to have it posted here to see if anyone has some ideas. Here it is ...
-1
votes
1answer
929 views

MP3 to Audio converter under Fedora

I have a folder that has ~10 mp3 files. How can I convert them to "Audio format"? - I have an older CD player that doesn't handles MP3 files, only "Audio".... I need a simple, GUI app for it (extra ...
7
votes
1answer
2k views

Changing default audio device in Pulseaudio

I would like to use HDMI on my graphic card for audio output. ALSA shows it as a card with 4 devices and I can get sound through one of them (the other three are different channels, perhaps? I have ...
1
vote
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
votes
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
votes
1answer
972 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
votes
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
votes
0answers
318 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
284 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
votes
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
vote
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 ...
1
vote
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.
2
votes
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
votes
0answers
913 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
6answers
12k 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
767 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
vote
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
votes
1answer
498 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
votes
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.
27
votes
5answers
21k 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
votes
2answers
996 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
637 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 ...
1
vote
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 ...
1
vote
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
4k 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
411 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
928 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
vote
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?