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Record system audio output with ALSA | dt.iki.fi
https://dt.iki.fi/record-system-output-alsa#:~:text=Record%20system%20audio%20output%20with%20ALSA%201%20ALSA,permanent%20-up-.%20This%20just%20loads%20the%20module.%20
audio - alsa: record everything on given sound card - Unix ...
https://unix.stackexchange.com/questions/686940/alsa-record-everything-on-given-sound-card
2/ Record from associated cross-connected device card 0 device 1 subdevice 0: arecord -D hw:0,1,0 record.wav. Of course you might need to adapt the card id to your configuration. 3/ Ensure it just works by playing record.wav on your alsa default device : aplay record.wav. If you can't hear anything, this will probably be because of some basic alsa …
alsa - Recording audio output - Unix & Linux Stack Exchange
https://unix.stackexchange.com/questions/27865/recording-audio-output
You'll need Pulse Audio volume control (pavucontrol) and some software such as Audacity to record the audio. Run pavucontrol. Go to the Input Devices tab on pavucontrol and mute all the input devices, unless you want to record from your microphone at the same time. Run audacity or another recording program. In Audacity you can monitor the output without recording, which is …
c - How to record sound in buffer using ALSA - Stack …
https://stackoverflow.com/questions/23056532/how-to-record-sound-in-buffer-using-alsa
p = pyaudio.PyAudio() stream = p.open(format = p.get_format_from_width(2), channels = 2, rate=44100, input=True, output=False, frames_per_buffer=1024) # This is main loop: we iteratively poll audio and gui: audio data are stored in output_buffer, # whereas gui is checked for stop flag value (if keyPressedEvent happened, flag will be set # to True and break our main …
GitHub - ebachard/Linux_Alsa_Audio_Record: Very simple ...
https://github.com/ebachard/Linux_Alsa_Audio_Record
cd alsa_record; install the dependencies; in the root dir type "make" Testing. Then connect a microphone (seen as hw:1,0) and verify it can record : arecord -l For further information : arecord --dump-hw-params -D hw:1,0. N.B. : if you don't own amicrophone, just connect a webcam instead. Once everything is ok, you can start recording anything typing :./alsa_record …
How do I record my system audio using ALSA Mixer?
https://www.makeuseof.com/how-do-i-record-my-system-audio-using-alsa-mixer/
recordMyDesktop is screencasting software for X. It can record audio through ALSA, OSS or the JACK audio server. https://wiki.archlinux.org/index.php/RecordMyDesktop. Configuring and Troubleshooting Sound in Debian Linux. http://www.debianhelp.co.uk/sound.htm
Alsa Opensrc Org - Independent ALSA and linux audio ...
https://alsa.opensrc.org/Record_from_mic
In order to record from a device, the device's "capture" switch must be set. To do so, run alsamixer, select your microphone and press space. Something like... should appear. On some cards there is a separate "Capture" device, which must be set to capture as well (and be unmuted, and have volume increased).
ALSA recording of device output - noisybox.net
https://noisybox.net/blog/2016/01/alsa_recording_of_device_output
With just a little fiddling, you can create a "looprec" device that has loops back the audio output into a new recordable ALSA device. The steps, just like in the above-mentioned post, are: $ sudo modprobe snd_aloop (this inserts the relevant kernel module into the kernel) create/edit ~/.asoundrc and paste in the following (a bit of alsa black magic):
SoundcardTesting - AlsaProject
https://www.alsa-project.org/main/index.php/SoundcardTesting
Recording. In general, recording requires more mixer set-up. For many devices (typically on-board one), you'll need to turn on Capture Switch, and raise Capture Volume. Then, choose an appropriate recording source from Capture Source. Note that on alsamixer (and amixer), Capture Source appears often split mixer switches instead of an enum list. (It's …
Introduction to Sound Programming with ALSA | Linux …
https://www.linuxjournal.com/article/6735
by Jeff Tranter. on September 30, 2004. ALSA stands for the Advanced Linux Sound Architecture. It consists of a set of kernel drivers, an application programming interface (API) library and utility programs for supporting sound under Linux. In this article, I present a brief overview of the ALSA Project and its software components.
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