[Alsa-user] some pluging to cut out high pitch noise

Hello Alfa-Alsa geeks! I have a need. I have either very sensitive mic or problematic sound card. I catch a bit of a noise, that sounds like my PC coolers(which are not too loud...) I want to cut noise in VOIP services, so apps which cut out noise post factum - are not an option. Some are

[Alsa-user] arecord with mutiple aplay

Dear community, I am currently working on streaming one input audio to multiple output speakers. Here is the procedures: mkfifo audio.wav arecord -D "input device" audio.wav aplay -D "speaker1" audio.wav aplay -D "speaker2" audio.wav The problem is once I run the "aplay -D "speaker2" audio.wav"