s2m-bang

Bangla Stage-1 speech→transcript dataset used for speech-to-LLM adapter training (Moonshine-BN encoder + LLM adapter).

Splits

Manifest	n	Role
manifests/train.json	89,275	Train (Kathbath + CV/OpenSLR short + FLEURS train)
manifests/dev.json	2,638	Dev
manifests/dev_fast.json	256	Fast mid-train gate
manifests/fleurs_test.json	920	Held-out FLEURS test
manifests/cv_bn_eval.json	260	Held-out Common Voice eval

Schema

Each JSON row:

{
  "video_id": "kathbath_train-00000-of-00022_000000",
  "start": 0.0,
  "end": 6.57,
  "dur": 6.57,
  "text": "...",
  "src": "kathbath",
  "wav_dir": "audio/kathbath_bn"
}

WAV path = {wav_dir}/{video_id}.wav (16 kHz mono).

Sources

• Kathbath Bengali
• Common Voice / OpenSLR short utterances
• FLEURS Bengali

Note

CV eval IDs are excluded from train. FLEURS test is never in train/dev.