Questions about audio hardware and software in Linux and other UNIX operating systems.
10
votes
4answers
2k 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
6answers
23k 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.
12
votes
3answers
10k 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, ...
10
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 ...
11
votes
5answers
5k 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 ...
13
votes
4answers
6k 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 ...
3
votes
1answer
569 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 ...
2
votes
1answer
82 views
Playing sound in a user X session
I am running Linux Mint 14 and can play sound when I start my x session through mdm. however, when I start my X session using startx in user space, I am unable to get any sound play.
What could be ...
2
votes
2answers
526 views
Where can I find the Linux driver for headphones in the kernel tree?
I have headphones with three buttons on them which allow me to control my music player with my phone. I want to write a driver for my headphones to make it control my music player on my pc (Ubuntu ...
2
votes
1answer
3k 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 ...
1
vote
2answers
2k 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
...
