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README.md
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---
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language: "en"
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tags:
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- Robust ASR
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- Speech Enhancement
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- PyTorch
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license: "apache-2.0"
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datasets:
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- Voicebank
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- DEMAND
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metrics:
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- WER
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- PESQ
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- eSTOI
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---
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# 1D CNN + Transformer Trained w/ Mimic Loss
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This repository provides all the necessary tools to perform enhancement and
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robust ASR training (EN) within
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SpeechBrain. For a better experience we encourage you to learn more about
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[SpeechBrain](https://speechbrain.github.io). The given model performance is:
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| Release | Test PESQ | Test eSTOI | Valid WER | Test WER |
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|:-----------:|:-----:| :-----:|:----:|:---------:|
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| 21-03-08 | 2.92 | 85.2 | 3.20 | 2.96 |
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## Pipeline description
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The mimic loss training system consists of three steps:
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1. A perceptual model is pre-trained on clean speech features, the
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same type used for the enhancement masking system.
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2. An enhancement model is trained with mimic loss, using the
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pre-trained perceptual model.
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3. A large ASR model pre-trained on LibriSpeech is fine-tuned
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using the enhancement front-end.
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The enhancement and ASR models can be used together or
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independently.
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## Install SpeechBrain
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First of all, please install SpeechBrain with the following command:
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```
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pip install \\we hide ! SpeechBrain is still private :p
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```
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Please notice that we encourage you to read our tutorials and learn more about
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[SpeechBrain](https://speechbrain.github.io).
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## Referencing Mimic Loss
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If you find mimic loss useful, please cite:
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```
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@inproceedings{bagchi2018spectral,
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title={Spectral Feature Mapping with Mimic Loss for Robust Speech Recognition},
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author={Bagchi, Deblin and Plantinga, Peter and Stiff, Adam and Fosler-Lussier, Eric},
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booktitle={IEEE Conference on Audio, Speech, and Signal Processing (ICASSP)},
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year={2018}
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}
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```
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## Referencing SpeechBrain
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If you find SpeechBrain useful, please cite:
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```
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@misc{SB2021,
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author = {Ravanelli, Mirco and Parcollet, Titouan and Rouhe, Aku and Plantinga, Peter and Rastorgueva, Elena and Lugosch, Loren and Dawalatabad, Nauman and Ju-Chieh, Chou and Heba, Abdel and Grondin, Francois and Aris, William and Liao, Chien-Feng and Cornell, Samuele and Yeh, Sung-Lin and Na, Hwidong and Gao, Yan and Fu, Szu-Wei and Subakan, Cem and De Mori, Renato and Bengio, Yoshua },
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title = {SpeechBrain},
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year = {2021},
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publisher = {GitHub},
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journal = {GitHub repository},
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howpublished = {\url{https://github.com/speechbrain/speechbrain}},
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}
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```
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