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Questions tagged [recording]

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43 votes
10 answers
41k 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, ...
Macha's user avatar
  • 3,810
18 votes
1 answer
38k views

Creating a virtual microphone

I run a CentOS Server with VNC enabled and some services require a microphone to work properly, but it doesn't have to be used for recording, just a microphone device available. So I was wondering if ...
Giovanni Mounir's user avatar
16 votes
4 answers
18k 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. ...
D4RIO's user avatar
  • 1,576
15 votes
5 answers
24k views

Is there a CD/DVD disk reading test tool for Linux?

When I was using DOS and Windows I've seen quite a selection of tools to check optical disks for readability and benchmark an optical drive itself. Most of them were even visualising the results in ...
Ivan's user avatar
  • 18k
14 votes
3 answers
9k 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 ...
LanceBaynes's user avatar
  • 40.7k
9 votes
1 answer
6k views

Programmatically redirect audio output of specific program to file

I would like to redirect the audio output of a program to file, on the command line, like in $ redirect-wrapper file.wav my-program so that I don't hear the output of the program, i.e. the output ...
Nobody's user avatar
  • 539
9 votes
2 answers
28k views

'Device or resource busy' error thrown when trying to record audio using arecord

I'm trying to record audio that is being played on separate channels using arecord. I do this by executing the following command in separate threads in a python script: arecord -D plug:"+str(in_id)+" ...
skrowten_hermit's user avatar
9 votes
5 answers
17k views

recording audio from web-based audio player using ALSA loop device

I am trying to save voicemail messages from Verizon Fios phone in best quality possible. The voicemail messages are available online, but for playing only (Java based player), no saving. Officially, ...
Martin Vegter's user avatar
6 votes
3 answers
29k views

amixer - How to change recording channel?

So fat, I am setting up microphone settings : $ amixer set 'Rear Mic' 90% mute cap $ amixer set 'Rear Mic Boost' 80% But, after some sys. update, my default recoding chanell changed to 'Front Mic' : ...
Grzegorz Wierzowiecki's user avatar
6 votes
2 answers
2k views

How to encode huge FLAC files into MP3 and other files like AAC?

My problem is very long recordings, longer than supported by WAV. I'm talking about continuous recordings of around eight hours in length. Now, I do most of my recording using sox into FLAC, which ...
polemon's user avatar
  • 11.6k
4 votes
2 answers
5k views

Recording audio output

I've been following these instructions for recording the output of a program I wrote (that uses rtaudio to synthesize music) http://jordilin.wordpress.com/2006/07/28/howto-recording-audio-from-the-...
interstar's user avatar
  • 1,087
2 votes
1 answer
5k 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 ...
MountainX's user avatar
  • 18.4k
1 vote
1 answer
221 views

How to use an handheld device with GNU/Linux and YouTube to protect from death threats?

Suppose you fear you could meet someone who will threaten you with death. Assuming the bad guy won't destroy your handheld (for example an Ubuntu Touch device) on sight, a barely decent form of ...
Scrooge McDuck's user avatar
1 vote
2 answers
5k views

alsa: record everything on given sound card

Is there a simple, application-independent way to record audio on given sound card? Lets say I plug in USB headset, which appears as /dev/snd/foo. I then use zoom or skype or any other application to ...
Martin Vegter's user avatar