Update cheatsheets

linux/arecord

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# arecord
+
+> Sound recorder for ALSA soundcard driver.
+> More information: <https://manned.org/arecord>.
+
+- Record a snippet in "CD" quality (finish with Ctrl-C when done):
+
+`arecord -vv --format=cd {{path/to/file.wav}}`
+
+- Record a snippet in "CD" quality, with a fixed duration of 10 seconds:
+
+`arecord -vv --format=cd --duration={{10}} {{path/to/file.wav}}`
+
+- Record a snippet and save it as an MP3 (finish with Ctrl-C when done):
+
+`arecord -vv --format=cd --file-type raw | lame -r - {{path/to/file.mp3}}`
+
+- List all sound cards and digital audio devices:
+
+`arecord --list-devices`
+
+- Allow interactive interface (e.g. use space-bar or enter to play or pause):
+
+`arecord --interactive`