The LibriMix dataset is an open source dataset derived from LibriSpeech dataset. It's meant as an alternative and complement to WHAM.
More info here.
References
@misc{cosentino2020librimix,
title={LibriMix: An Open-Source Dataset for Generalizable Speech Separation},
author={Joris Cosentino and Manuel Pariente and Samuele Cornell and Antoine Deleforge and Emmanuel Vincent},
year={2020},
eprint={2005.11262},
archivePrefix={arXiv},
primaryClass={eess.AS}
}