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Recurrent neural network for audio noise reduction with CMake support

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RNNoise is a noise suppression library based on a recurrent neural network.

To compile, just type:
% ./autogen.sh
% ./configure
% make

Optionally:
% make install

While it is meant to be used as a library, a simple command-line tool is
provided as an example. It operates on RAW 16-bit (machine endian) mono
PCM files sampled at 48 kHz. It can be used as:

./examples/rnnoise_demo <number of channels> <maximum attenuation> < input.raw > output.raw

The output is also a 16-bit raw PCM file.

The latest version of the source is available from
https://gitlab.xiph.org/xiph/rnnoise .  The github repository
is a convenience copy.

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  • C 91.3%
  • C++ 2.8%
  • M4 2.6%
  • Python 1.9%
  • Makefile 0.7%
  • Shell 0.5%
  • CMake 0.2%