====== Linux Audio Noise Cancel ======
  * [[linux:audio:noisetorch|Noise Torch]]


===== PulseAudio 기본 mic noise cancel =====
  * [[https://www.youtube.com/watch?v=8cFiaJFbPd8|How To Enable Noise Cancellation For Microphone on Linux - YouTube]]
  * [[https://www.youtube.com/watch?v=UNhJCD9H8Uw|🎤 FIX the 🎙 microphone NOISE background on Linux / Ubuntu 20.04 - YouTube]]
  * [[https://www.youtube.com/watch?v=lTodCeVAfpI|Quickie: Enable Linux's hidden noise cancellation for your microphone - YouTube]]

<code sh>
# Microphone Realtime background noise reduction script
# author Luigi Maselli - https://grigio.org licence: AS-IS
# credits: http://askubuntu.com/questions/18958/realtime-noise-removal-with-pulseaudio
# run as: sudo && pulseaudio -k

sudo cp /etc/pulse/default.pa /etc/pulse/default.pa.bak

# /etc/pulse/default.pa 파일 맨 마지막에 아래 내용추가
load-module module-echo-cancel source_name=noechosource sink_name=noechosink
set-default-source noechosource
set-default-sink noechosink

# pulseaudio 재시작
pulseaudio -k
</code>