Parallel Non-negative Matrix Factorization

Contents

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AudioNMF.jl - Main module

usage:

include("AudioNMF.jl");
using .AudioNMF

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source_separation.ipynb - Exmple demonstrating:

• Conversion of an audiofile into the $V$ matrix
• Performing the factorization
• Permuting $W$ and $H$ in ascending note order
• Writing audio files containing a subset(s) of the components

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docs

• Project proposal
• Progress report
• Final Report
• Slides for presentation

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data

• *.mid - midi files used to generate audio
• *.wav - example audio recordings with different instruments and with both monophonic an polyphonic melodies

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experiments - Contains code used to prototype and test algorithms

Requirements

• Julia 1.11
• CuArrays.jl
• MATLAB
  • CQT function - to generate time-frequency decomosition
  • nnmf function - for benchmark comparisons
• Scikit-learn
  • decomposition.nmf -for benchmark comparisons
• MATLAB.jl
• MAT.jl