Supplemental Linux® From Scratch (System V Edition) - Version #7053

Chapter 7. Multimedia Libraries

Noise-Suppression-1.21

Introduction to Noise-Suppression

Noise Suppression for Voice, based on RnNoise, filters out noise like fans and the like, for audio that has voice recordings. This is a useful tool used for editing audio. Kdenlive makes use of this plugin for filtering audio. Install this first before installing Kdenlive to enable support for audio filtering.

Noise-Suppression Dependencies

Required

CMake

Recommended

alsa-lib, FreeType2, and cURL

Installation of Noise-Suppression

Install Noise-Suppression by running the following commands: 

mkdir build &&
cd    build &&

cmake -D CMAKE_INSTALL_PREFIX=/usr   \
      -D CMAKE_BUILD_TYPE=Release    \
      -D CMAKE_SKIP_INSTALL_RPATH=ON \
      -W no-dev -G Ninja .. &&
ninja

Now, as the root user: 

ninja install

Contents

Installed LADSPA Plugins: librnnoise_ladspa
Installed LV2 Plugins: librnnoise_mono and librnnoise_stereo
Installed VST Plugins: rnnoise
Installed Directories: /usr/lib/ladspa, /usr/lib/lv2, /usr/lib/lxvst, and /usr/lib/vst3