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Record system audio output with ALSA | dt.iki.fi
https://dt.iki.fi/record-system-output-alsa
ALSA loopback device We assume a single run-of-the-mill Intel sound card, mapped as card 0. We will create a virtual loopback card 1. #> modprobe snd-aloop aplay -l The loopback device works, but we won't be able to hear anything because sound goes only there, and not to the main output anymore. Duplicate master output to loopback device
How do I record my system audio using ALSA Mixer?
https://www.makeuseof.com/how-do-i-record-my-system-audio-using-alsa-mixer/
Thanks for the link, I'm using Recordmydesktop but there's no relevant sections that can help me to record the system audio. All of your references is relevant but I've checked them already. So could you provide some answers whether if ALSA is able to record system audio that's compatible with the software?
audio - alsa: record everything on given sound card - Unix ...
https://unix.stackexchange.com/questions/686940/alsa-record-everything-on-given-sound-card
I need to record both channels (microphone, speaker), so there might be some mixing necesary? My OS is Debian 10, and I am using alsa (not pulseaudio) audio alsa recording Share asked 2 mins ago 400 the Cat 596 2 16 41 Add a comment
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)
alsa - Recording audio output - Unix & Linux Stack Exchange
https://unix.stackexchange.com/questions/27865/recording-audio-output
Go to the Recording tab on pavucontrol and set your recording software to "ALSA Capture from Monitor of Built-in Audio Analog Software". If nothing shows up in the "Recording" tab, then make sure your capture application is actually recording. Go to the Playback tab and adjust the levels for each process to your liking.
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