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PortAudio - an Open-Source Cross-Platform Audio API
Linux & PortAudio: Can you get it to work with the ALSA ...
https://github.com/supercollider/supercollider/issues/1944
PortAudio: pa_linux_alsa.h File Reference
http://files.portaudio.com/docs/v19-doxydocs/pa__linux__alsa_8h.html
ALSA-specific PortAudio API extension header file. ... Set the number of periods (buffer fragments) to configure devices with. By default the number of periods is 4, this is the lowest number of periods that works well on the author's soundcard. Parameters. numPeriods:
Audio::PortAudio - metacpan.org
https://metacpan.org/pod/Audio::PortAudio
c++ - Portaudio doesn't recognize all audio devices ...
https://stackoverflow.com/questions/56808724/portaudio-doesnt-recognize-all-audio-devices
PortAudio error: Device unavailable · Issue #23 · xlab ...
https://github.com/xlab/pocketsphinx-go/issues/23
alsa - Detecting when input is not being used for Python ...
https://stackoverflow.com/questions/63442911/detecting-when-input-is-not-being-used-for-python-sounddevice-portaudio-on-linux
[Portaudio] ALSA mmap vs read/write
https://portaudio.music.columbia.narkive.com/4HZHrWzu/alsa-mmap-vs-read-write
With arecord and a mmap-emulating device asi1: arecord --format=cd --device=asi1 --mmap --file-type wav --duration=3 test.wav I get lots of dropped audio frames resulting in garbled output, while the recording takes much longer than the expected 3 seconds, and with PortAudio everything appears to work, but no audio is actually recorded. I
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