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Speech noise reduction which was generated using existing post-production techniques implemented in Python

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noise_reduction

See test results on: https://dodiku.github.io/noise_reduction/

Audio enhancements feature tests in Python3

Installation

To install:

  1. $ brew install sox
  2. $ brew install vorbis-tools
  3. Create a virtualenv
  4. Install dependencies in one of two options:
  • manually (recommended):
    $ pip3 install librosa
    $ pip3 install pysndfx

  • or automatically using pip:
    $ pip3 install -r requirements.txt

To run:
$ python3 noise.py

Interesting resources:

A bit less relevant papers:

  • Noise Cancellation Method for Robust Speech Recognition (PDF)
  • Robust Features for Noisy Speech Recognition using MFCC Computation from Magnitude Spectrum of Higher Order Autocorrelation Coefficients (PDF)
  • Improving the Noise-Robustness of Mel-Frequency Cepstral Coefficients for Speech Processing (PDF)

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