Tagged Questions
2
votes
0answers
162 views
convert arecord output to flac
I'm trying to convert arecord wav output to flac and it does work in part:
pi@raspberrypi /tmp $ arecord -d4 -f dat -t wav -r 48000 -c 2 |flac -f -o message.flac - --channels=1 --sample-rate=16000
...
4
votes
1answer
417 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 ...
2
votes
1answer
693 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) ...
3
votes
2answers
2k 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' ...
2
votes
1answer
1k 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 ...
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 ...
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.
...
12
votes
3answers
9k 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, ...
4
votes
2answers
331 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 ...