Questions about audio hardware and software in Linux and other UNIX operating systems.
15
votes
3answers
10k views
Set volume from terminal
Is it possible to set the audio volume using the terminal?, instead of clicking the speaker icon in the topbar, the reason I want need to do this is because my keyboard does not have a volume ...
15
votes
6answers
4k 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 ...
14
votes
3answers
12k 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, ...
13
votes
6answers
32k 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.
13
votes
4answers
8k 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 ...
12
votes
4answers
6k 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 ...
12
votes
2answers
287 views
Possible to configure Login TTY over Audio device (Morse code or similar)?
One of the most miserable aspects of my day job is the need to occasionally investigate problems with machines scattered in remote locations all over the world that don't have network access to the ...
11
votes
5answers
6k 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 ...
11
votes
2answers
3k 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 ...
10
votes
4answers
3k 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.
...
10
votes
2answers
993 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 ...
9
votes
2answers
1k views
Change PulseAudio Input/Output from Shell?
I have a set of nice wireless headphones which I use from time to time, in addition to my speakers and normal microphone.
I'd like to write a script to switch between one input and output source and ...
9
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 ...
7
votes
1answer
9k views
How to use command line to change volume?
I am trying to control the volume using my programming script. How can I do the following in Fedora 15, Ubuntu linux?
Mute/ Unmute
Volume up and volume down
Note: Please note that I use a web USB ...
7
votes
1answer
281 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 ...
