Wake-Up-Word (WUW) speech dataset, packed as WebDataset tar shards.
The input is a Kaldi-style data directory
(wav.scp, text, utt2spk, utt2dur, segments), where multiple
utterances share a long recording via the segments file.
To avoid duplicating audio, each tar sample corresponds to one full
recording. The utterance-level metadata (id / start / end / text / spk / duration) is stored in a JSON list inside that sample.
Downstream consumers slice the decoded… See the full description on the dataset page:
https://huggingface.co/datasets/bhyuan/wuw_dataset.