Duplicate from sarulab-speech/DuplexChat

Co-authored-by: Wataru-Nakata <Wataru@users.noreply.huggingface.co>

.gitattributes

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+*.7z filter=lfs diff=lfs merge=lfs -text
+*.arrow filter=lfs diff=lfs merge=lfs -text
+*.avro filter=lfs diff=lfs merge=lfs -text
+*.bin filter=lfs diff=lfs merge=lfs -text
+*.bz2 filter=lfs diff=lfs merge=lfs -text
+*.ckpt filter=lfs diff=lfs merge=lfs -text
+*.ftz filter=lfs diff=lfs merge=lfs -text
+*.gz filter=lfs diff=lfs merge=lfs -text
+*.h5 filter=lfs diff=lfs merge=lfs -text
+*.joblib filter=lfs diff=lfs merge=lfs -text
+*.lfs.* filter=lfs diff=lfs merge=lfs -text
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+*.mlmodel filter=lfs diff=lfs merge=lfs -text
+*.model filter=lfs diff=lfs merge=lfs -text
+*.msgpack filter=lfs diff=lfs merge=lfs -text
+*.npy filter=lfs diff=lfs merge=lfs -text
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+*.parquet filter=lfs diff=lfs merge=lfs -text
+*.pb filter=lfs diff=lfs merge=lfs -text
+*.pickle filter=lfs diff=lfs merge=lfs -text
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+*.pt filter=lfs diff=lfs merge=lfs -text
+*.pth filter=lfs diff=lfs merge=lfs -text
+*.rar filter=lfs diff=lfs merge=lfs -text
+*.safetensors filter=lfs diff=lfs merge=lfs -text
+saved_model/**/* filter=lfs diff=lfs merge=lfs -text
+*.tar.* filter=lfs diff=lfs merge=lfs -text
+*.tar filter=lfs diff=lfs merge=lfs -text
+*.tflite filter=lfs diff=lfs merge=lfs -text
+*.tgz filter=lfs diff=lfs merge=lfs -text
+*.wasm filter=lfs diff=lfs merge=lfs -text
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+*.zip filter=lfs diff=lfs merge=lfs -text
+*.zst filter=lfs diff=lfs merge=lfs -text
+*tfevents* filter=lfs diff=lfs merge=lfs -text
+# Audio files - uncompressed
+*.pcm filter=lfs diff=lfs merge=lfs -text
+*.sam filter=lfs diff=lfs merge=lfs -text
+*.raw filter=lfs diff=lfs merge=lfs -text
+# Audio files - compressed
+*.aac filter=lfs diff=lfs merge=lfs -text
+*.flac filter=lfs diff=lfs merge=lfs -text
+*.mp3 filter=lfs diff=lfs merge=lfs -text
+*.ogg filter=lfs diff=lfs merge=lfs -text
+*.wav filter=lfs diff=lfs merge=lfs -text
+# Image files - uncompressed
+*.bmp filter=lfs diff=lfs merge=lfs -text
+*.gif filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
+*.tiff filter=lfs diff=lfs merge=lfs -text
+# Image files - compressed
+*.jpg filter=lfs diff=lfs merge=lfs -text
+*.jpeg filter=lfs diff=lfs merge=lfs -text
+*.webp filter=lfs diff=lfs merge=lfs -text
+# Video files - compressed
+*.mp4 filter=lfs diff=lfs merge=lfs -text
+*.webm filter=lfs diff=lfs merge=lfs -text

README.md

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+---
+pretty_name: DuplexChat
+license: mit
+language:
+- en
+- ja
+task_categories:
+- audio-to-audio
+tags:
+- full-duplex
+- spoken-dialogue
+- speech
+- podcast
+configs:
+- config_name: en
+  data_files: duplexchat_manifest_en.jsonl.gz
+- config_name: ja
+  data_files: duplexchat_manifest_ja.jsonl.gz
+viewer: false
+---
+
+# DuplexChat
+
+large-scale, two-speaker, full-duplex
+spoken-dialogue corpus built from public podcast feeds. This repository
+distributes **no audio** 
+
+## Contents
+
+| File | Rows | Hours |
+|------|-----:|------:|
+| `duplexchat_manifest_en.jsonl.gz` | 15,304,412 | 282,634 |
+| `duplexchat_manifest_ja.jsonl.gz` |  7,329,011 | 132,723 |
+
+`manifest_counts.json` holds the same totals.
+
+## Row schema
+
+Each line is one two-speaker dialogue clip:
+
+```json
+{
+  "language": "en-us",
+  "rss_url": "https://.../podcast/rss",
+  "audio_url": "https://.../episode.mp3",
+  "dialogue_idx": 1,
+  "episode_start_sec": 80.22,
+  "episode_end_sec": 708.44,
+  "duration_sec": 628.22,
+  "speakers": ["SPEAKER_04", "SPEAKER_02"],
+  "episode_duration_sec": 2165.52
+}
+```
+
+- `rss_url` — the source podcast feed.
+- `audio_url` — the source episode audio (download target).
+- `episode_start_sec` / `episode_end_sec` — the dialogue span within the episode.
+- `duration_sec` — span length.
+- `speakers` — the two diarized speaker labels for the clip.
+
+Rows are deduplicated globally by `(audio_url, dialogue_idx)`.
+
+## Reconstruction
+
+1. Download the episode at `audio_url`.
+2. Slice the segment `[episode_start_sec, episode_end_sec]`.
+3. Re-run the  speech separation/restoration to
+   recover one-speaker-per-channel stereo audio.
+
+The construction pipeline is released separately.
+
+## License and copyright
+MIT
+Note that all rights regarding the audio content and RSS content belongs to the respective right holders.

duplexchat_manifest_en.jsonl.gz

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+size 507842097

duplexchat_manifest_ja.jsonl.gz

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+size 283656248

manifest_counts.json

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+{
+  "ja": {
+    "rows": 7329011,
+    "hours": 132722.74603592948
+  },
+  "en": {
+    "rows": 15304412,
+    "hours": 282634.38081561495
+  },
+  "_cross_task_duplicates_dropped": 166970
+}