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Noise Suppression

MCRA based noise suppression

Cmd options

See ./scripts/sptk/apply_ns.py -h

Usage

echo "egs asset/egs.wav" | ../../scripts/sptk/apply_ns.py --output wave - ns

The --output option controls the output type, audio or TF masks (also named TF gain). Note that this command is hard coded using iMCRA method.

Reference

  1. Cohen I, Berdugo B. Speech enhancement for non-stationary noise environments[J]. Signal processing, 2001, 81(11): 2403-2418.
  2. Cohen I. Noise spectrum estimation in adverse environments: Improved minima controlled recursive averaging[J]. IEEE Transactions on speech and audio processing, 2003, 11(5): 466-475.