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alsa - Recording audio output - Unix & Linux Stack Exchange
https://unix.stackexchange.com/questions/27865/recording-audio-output
Record system audio output with ALSA | dt.iki.fi
https://dt.iki.fi/record-system-output-alsa
Record system audio output with ALSA ALSA loopback device -up-. We assume a single run-of-the-mill Intel sound card, mapped as card 0. We will create a... Duplicate master output to loopback device -up-. It is possible to duplicate the main output to the loopback device. Record something -up-. The ...
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)
c - How to record sound in buffer using ALSA - Stack …
https://stackoverflow.com/questions/23056532/how-to-record-sound-in-buffer-using-alsa
I'm begining to learn linux and ALSA and I was wondering if there is a way to store the sound I record from a microphone a directly to the buffer. I read here http://www.linuxjournal.com/article/6735?page=0,2how to make my recording program. But what I need is a little more complex. I need to record sound untill I hit a key.
How do I record my system audio using ALSA Mixer?
https://www.makeuseof.com/how-do-i-record-my-system-audio-using-alsa-mixer/
I know I'm able to record sound through the microphone, so generally the program have sound but I want it to record internally. Thanks for the links ha14, but it's not what I'm looking for. Specifically, I wanted to record sound through the audio the speaker is using but that's not possible unless I use some loopback device which I'm having ...
Screen capture WITH audio in ffmpeg - Stack Overflow
https://stackoverflow.com/questions/29478548/screen-capture-with-audio-in-ffmpeg
I am able to record audio perfectly fine with the command: FFmpeg/ffmpeg -f alsa -ac 2 -i pulse -- output.wav However, when I try both screen capture and audio, like this: FFmpeg/ffmpeg -video_size 800x600 -framerate 25 -ac 2 -f x11grab -i :0.0+0,0 -ac 2 -f alsa -i pulse -ac 2 -acodec copy output.mpeg -ac 2
Configuring Linux sound services with ALSA - TechRepublic
https://www.techrepublic.com/article/configuring-linux-sound-services-with-alsa/
ALSA can emulate the standard OSS sound drivers. ALSA simplifies the process of configuring more than one sound card for your system. ALSA uses a very flexible interface, making it easier to...
Playing with ALSA loopback devices | Playing with Systems
https://sysplay.in/blog/linux/2019/06/playing-with-alsa-loopback-devices/
For that, just record a new wave file with your speech using the following command: $ arecord -f S16_LE -c 2 -r 48000 audio.wav This would record from your system’s default mic. Interestingly, audio loopback could also be achieved in user space using alsaloop from alsa-utils package. Here is a demo of the same.
alsa - Record USB System Audio and Send to Named Pipe ...
https://raspberrypi.stackexchange.com/questions/122128/record-usb-system-audio-and-send-to-named-pipe
One of the ways it can read audio through its docker container is through a named pipe.
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