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gogyzzz/beamformit_matlab: A MATLAB implementation of CHiME4 baseline Beamformit

原作者: [db:作者] 来自: 网络 收藏 邀请

开源软件名称(OpenSource Name):

gogyzzz/beamformit_matlab

开源软件地址(OpenSource Url):

https://github.com/gogyzzz/beamformit_matlab

开源编程语言(OpenSource Language):

HTML 97.9%

开源软件介绍(OpenSource Introduction):

A MATLAB implementation of CHiME4 baseline Beamformit

Please let me know if there are any bugs.

[email protected]

References

  • "Acoustic beamforming for speaker diarization of meetings", Xavier Anguera, Chuck Wooters and Javier Hernando, IEEE Transactions on Audio, Speech and Language Processing, September 2007, volume 15, number 7, pp.2011-2023.
  • official beamformit github

Requirements

script requirement
beamformit.m MATLAB supporting audioread (also you can use on OCTAVE by installing signal package)
beamformit_step_by_step.mlx MATLAB supporting mlx format

Implementation detail

See beamformit_step_by_step*.html (and beamformit_step_by_step.mlx)

How to run

See beamformit.m

Result

## original version

local/chime4_calc_wers.sh exp/tri3b_tr05_multi_noisy beamformit_5mics exp/tri3b_tr05_multi_noisy/graph_tgpr_5k

-------------------
best overall dt05 WER 13.66% (language model weight = 11)
-------------------
dt05_simu WER: 14.34% (Average), 12.82% (BUS), 17.09% (CAFE), 11.90% (PEDESTRIAN), 15.56% (STREET)
-------------------
dt05_real WER: 12.98% (Average), 15.96% (BUS), 12.67% (CAFE), 10.02% (PEDESTRIAN), 13.26% (STREET)
-------------------
et05_simu WER: 21.33% (Average), 15.75% (BUS), 22.97% (CAFE), 22.54% (PEDESTRIAN), 24.06% (STREET)
-------------------
et05_real WER: 21.80% (Average), 30.08% (BUS), 20.62% (CAFE), 19.90% (PEDESTRIAN), 16.62% (STREET)
-------------------

## my version

local/chime4_calc_wers.sh exp/tri3b_tr05_multi_noisy bfit_1026_final exp/tri3b_tr05_multi_noisy/graph_tgpr_5k
compute dt05 WER for each location

-------------------
best overall dt05 WER 13.69% (language model weight = 11)
-------------------
dt05_simu WER: 14.31% (Average), 12.86% (BUS), 17.11% (CAFE), 11.90% (PEDESTRIAN), 15.37% (STREET)
-------------------
dt05_real WER: 13.07% (Average), 16.26% (BUS), 12.74% (CAFE), 9.84% (PEDESTRIAN), 13.45% (STREET)
-------------------
et05_simu WER: 21.85% (Average), 15.93% (BUS), 23.50% (CAFE), 23.44% (PEDESTRIAN), 24.52% (STREET)
-------------------
et05_real WER: 22.16% (Average), 30.72% (BUS), 20.88% (CAFE), 20.20% (PEDESTRIAN), 16.87% (STREET)
-------------------



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