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Multi-channel speech enhancement system (MVDR beamformer + several postfilters)

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alignment.py

alignment.py

 
 

dft_radian_frequencies.py

dft_radian_frequencies.py

 
 

multichannel_speech_enhancement.py

multichannel_speech_enhancement.py

 
 

mvdr_beamformer.py

mvdr_beamformer.py

 
 

noise_field_coherence_matrix.py

noise_field_coherence_matrix.py

 
 

noise_field_coherence_matrix_alignment_reestimated.py

noise_field_coherence_matrix_alignment_reestimated.py

 
 

noise_field_coherence_matrix_limit.py

noise_field_coherence_matrix_limit.py

 
 

ola.py

ola.py

 
 

propagation_vector_free_field.py

propagation_vector_free_field.py

 
 

spectrum_est.py

spectrum_est.py

 
 

stft.py

stft.py

 
 

time_delay_of_arrival.py

time_delay_of_arrival.py

 
 

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This is a multi-channel speech enhancement system implementing MVDR beamformer optionally followed by 5 different post-filters:
1) mvdr without postfilter
2) mvdr + zelinski postfilter
3) mvdr + mccowan postfilter
4) mvdr + lefkim postfilter
5) mvdr + stsa postfilter
6) mvdr + log-stsa postfilter

The main function is multichannel_speech_enhancement.py

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Multi-channel speech enhancement system (MVDR beamformer + several postfilters)

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