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README.md

@@ -1,45 +1,125 @@
 ---
-pretty_name: AudioSet-Strong-10 (partial, in progress)
+pretty_name: AudioSet-Strong-10
 license: cc-by-4.0
 task_categories:
 - audio-classification
+- audio-tagging
 tags:
 - sound-event-detection
 - audioset
 - strong-labels
+- temporal-annotations
+size_categories:
+- 10K<n<100K
 ---
 
-# AudioSet-Strong-10 (partial)
+# AudioSet-Strong-10
 
-Ten-class strong-label subset of AudioSet-Strong, downloaded from the official
-strong TSVs (`audioset_train_strong.tsv`, `audioset_eval_strong.tsv`) using the
-clip IDs and 10 s windows. This is a **work in progress**: the download is
-paced to respect YouTube limits and the repository grows as clips arrive.
+A ten-class, strong-label, 10-second-clip subset of **AudioSet-Strong**, with
+clip-relative event onsets and offsets. Built for streaming / bounded-latency
+sound event detection, where you need per-event times rather than clip tags.
 
 ## Classes
 
-Alarm, Bark, Cough, Explosion, Gunshot, Laughter, Screaming, Vehicle horn,
-Whispering, Whistling.
+| Class | AudioSet MID |
+|---|---|
+| Alarm | `/m/07pp_mv` |
+| Bark | `/m/05tny_` |
+| Cough | `/m/01b_21` |
+| Explosion | `/m/014zdl` |
+| Gunshot | `/m/032s66` |
+| Laughter | `/m/01j3sz` |
+| Screaming | `/m/03qc9zr` |
+| Vehicle horn | `/m/0912c9` |
+| Whispering | `/m/02rtxlg` |
+| Whistling | `/m/01w250` |
+
+The official strong annotations contain **15,052 train** and **2,217 eval**
+unique 10-second clips for these ten classes.
+
+## Coverage in this release
+
+| Split | Official clips | In this release | Coverage |
+|---|---:|---:|---:|
+| train | 15,052 | 13,651 | 90.7% |
+| eval | 2,217 | 1,888 | 85.2% |
+| **total** | **17,269** | **15,539** | **90.0%** |
+
+35,183 clip-relative event rows in total. Every clip has at least one event.
+`missing.tsv` lists the 1,730 segment ids that could not be retrieved from
+YouTube or from the mirror (the underlying videos are deleted).
+
+Event rows per class (train / eval):
+
+| Class | train | eval |
+|---|---:|---:|
+| Alarm | 1,430 | 264 |
+| Bark | 5,706 | 465 |
+| Cough | 1,878 | 323 |
+| Explosion | 1,036 | 168 |
+| Gunshot | 3,114 | 321 |
+| Laughter | 10,702 | 1,682 |
+| Screaming | 1,215 | 246 |
+| Vehicle horn | 1,729 | 250 |
+| Whispering | 1,453 | 263 |
+| Whistling | 2,598 | 340 |
 
-Official strong labels contain 15,052 train / 2,217 eval unique clips for these
-classes (the paper's ten-class release is 15,829 / 2,394).
 
 ## Contents
 
 ```
-audio/train/<ytid>_<startms>.wav   16 kHz mono PCM16, 10 s
-<split>_events.csv                 path,onset,offset,label (clip-relative)
+audio/train/<ytid>_<start_ms>.wav   16 kHz mono PCM16, 10 s
+audio/eval/<ytid>_<start_ms>.wav
+train_events.csv                    path,onset,offset,label
+eval_events.csv
+missing.tsv                         official clips that were unavailable
 ```
 
+`<ytid>_<start_ms>` is the official AudioSet `segment_id`: the YouTube id and
+the start of the 10-second window in milliseconds. `onset`/`offset` are seconds
+**inside the clip** (0-10), so a row is directly usable as a strong label.
+
+One clip can have several rows (several labelled events). Every clip has at
+least one event from the ten classes above; other AudioSet classes that occur
+in the same window are not annotated here.
+
+## Provenance and completeness
+
+1. Segment ids, labels and event times come from the official
+   `audioset_train_strong.tsv` / `audioset_eval_strong.tsv`
+   (`storage.googleapis.com/us_audioset`), filtered to the ten MIDs.
+2. Audio is the 10-second window containing the labelled event, downloaded
+   from YouTube with `yt-dlp` and resampled to 16 kHz mono.
+3. Clips whose YouTube video is deleted are recovered from the public
+   `CLAPv2/audioset_strong` mirror (same official windows). Annotation times
+   still come from the official TSVs; the mirror only supplies audio bytes.
+   Harvested clips were cross-checked against the mirror's own event list
+   (zero label mismatches).
+
+YouTube attrition is real: a share of the official videos is permanently
+unavailable. `missing.tsv` lists the segment ids that could not be obtained
+from either source at build time. Coverage is reported in the dataset card
+table below and should be re-checked before any comparison with published
+numbers on the complete strong set.
+
 ## Licence and credit
 
-- AudioSet labels: CC BY 4.0, Google AudioSet (Gemmeke et al., 2017).
-- Audio is downloaded from YouTube; all rights remain with the original
-  uploaders. Research use only; this repository grants no broader rights.
-- The ten-class selection follows the AudioSet-Strong subset used by
-  RED+EPN (Schmid et al., arXiv:2601.04178).
+- Annotations: **CC BY 4.0**, Google AudioSet (Gemmeke et al., 2017).
+- Audio: downloaded from YouTube; rights remain with the original uploaders.
+  This repository grants no rights over the audio and is released for research
+  use, mirroring how AudioSet itself distributes the corpus. It may be removed
+  on request.
+- The ten-class selection follows the AudioSet-Strong subset used by the
+  RED+EPN line of work (Schmid et al.).
 
 ## Citation
 
-Cite AudioSet and the strong-label release (Hershey et al., ICASSP 2021) plus
-the RED+EPN paper for the class selection.
+```bibtex
+@misc{audioset_strong_10,
+  title  = {AudioSet-Strong-10: ten-class strong labels with 10-second audio},
+  author = {LakoreAI},
+  note   = {Subset of AudioSet-Strong (Gemmeke et al., 2017)},
+  year   = {2026},
+  url    = {https://huggingface.co/datasets/LakoreAI/AudioSet-Strong-10}
+}
+```