First Asteroid-based VAD

Highlights

• New ConvTasNet-based VAD on the Libri_VAD dataset 🚀
• Fixed and improved GEVD beamformer
• Multi-Decoder DPRNN recipe

Changelog

Added

• [src&egs] Add VAD in Asteroid 🎉 (#558)
• [src&tests] Add GEVD beamformer (#520)
• [hub] Add library version and name for Hugging Face download stats (#524)
• [egs] Add recipe for Multi-Decoder DPRNN (#463)
• [egs] Enable WER eval with GPU (#541)
• [egs] Add readme and pretrained model to FaSNet recipe (#561)

Changed

• [src] Make cLN default in causal ConvTasNet (#511)
• [install] Pin pytorch-optimizer version to support RAdam (#568)

Fixed

• [src] Prevent complex eigen values in gev (#519)
• [src] Fix default norm_type for causal ConvTasNet (#503)
• [egs] Fixed bug in X-UMX (#521)
• [nbs] asteroid.filterbanks to asteroid_filterbanks (#526)
• [nbs] Fix typos in notebooks/02_Filterbank.ipynb (#527)
• [install] Fix PL version <1.5.0 (#576)

Thanks to @ldelebec @hihunjin @nobel861017 @ben-freist @r-sawata @osanseviero @JunzheJosephZhu and @JorisCos for their awesome contributions 🔥 💪 🙏