EBEN: Extreme Bandwidth Extension Network

• This repository is the official implementation of EBEN.
• Visit the project page to listen to audios and visualize some spectrograms.
• Quick start on the project thanks to the Colab demo.

Note: A newer and more performant implementation of EBEN is available in the Vibravox repo.

Requirements

pip install -r requirements.txt

Download French Librispeech

wget https://dl.fbaipublicfiles.com/mls/mls_french.tar.gz
tar xvf mls_french.tar.gz
rm mls_french.tar.gz

Obtain your trained EBEN model

Option 1: use the pre-trained French model discussed in the article

You already have it in the project: generator.ckpt, only 7Mo.

Option 2: train your own model from scratch

python train.py

It will create/refresh generator_retrained.ckpt at the end of each epoch.

Evaluation

python test.py

Results

Our model achieves the following performance on Bandwidth Extension.

Speech\Metrics	PESQ	SI-SDR	STOI	MUSHRA-U (88 participants)	MUSHRA-Q (82 participants)	Gen params	Dis params
Simulated In-ear	2.42 (0.34)	8.4 (3.7)	0.83 (0.05)	51 (29)	24 (18)	$\emptyset$	$\emptyset$
Audio U-net	2.24 (0.49)	11.9 (3.7)	0.87 (0.04)	60 (26)	33 (18)	71.0 M	$\emptyset$
Hifi-GAN v3	1.32 (0.16)	-25.1 (11.4)	0.78 (0.04)	40 (23)	36 (18)	1.5 M	70.7 M
Seanet	1.92 (0.48)	11.1 (3.0)	0.89 (0.04)	73 (13)	78 (12)	8.3 M	56.6 M
Streaming-Seanet	2.01 (0.46)	11.2 (3.6)	0.89 (0.04)	66 (20)	61 (14)	0.7 M	56.6 M
EBEN (ours)	2.08 (0.45)	10.9 (3.3)	0.89 (0.04)	73 (14)	76 (14)	1.9 M	26.5 M

In the above Table: format is median (interquartile range). Significantly best values (acceptance=0.05) are in bold.

Cite our work

@ARTICLE{hauret2023configurable_eben_IEEE_TASLP,
  author={Hauret, Julien and Joubaud, Thomas and Zimpfer, V{\'e}ronique and Bavu, {\'E}ric},
  journal={IEEE/ACM Transactions on Audio, Speech, and Language Processing}, 
  title={Configurable EBEN: Extreme Bandwidth Extension Network to Enhance Body-Conducted Speech Capture}, 
  year={2023},
  volume={31},
  number={},
  pages={3499-3512},
  doi={10.1109/TASLP.2023.3313433}}

@inproceedings{hauret2023eben,
  title={EBEN: Extreme bandwidth extension network applied to speech signals captured with noise-resilient body-conduction microphones},
  author={Hauret, Julien and Joubaud, Thomas and Zimpfer, V{\'e}ronique and Bavu, {\'E}ric},
  booktitle={ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, 
  pages={1--5},
  year={2023},
  organization={IEEE}
  doi={10.1109/ICASSP49357.2023.10096301}}

}