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MoeSpeech 20 Speakers - LJSpeech Format

moe-speech-plus-ljspeechから発話数上位20話者を抽出したデータセットです。 Piper TTSなどのTTSモデル学習に最適化されています。

Dataset Summary

項目
話者数 20
総発話数 60,233
フォーマット LJSpeech
サンプルレート 22050 Hz
言語 日本語

Speaker Statistics

Speaker ID Utterances Internal ID
940de876 4,675 0
2cf01874 4,632 1
bbd90363 3,747 2
1a5a3db8 3,295 3
4e2f4ba6 3,268 4
cc948b89 3,043 5
ad28b91b 3,033 6
ee093a4f 2,957 7
bce2a5af 2,926 8
18460462 2,861 9
917feebd 2,811 10
b8b5fe66 2,769 11
00163dc9 2,757 12
773a4156 2,749 13
46d6bf83 2,654 14
36ea135b 2,631 15
bc778ddb 2,435 16
6d565f54 2,351 17
9febd2ae 2,327 18
8b6e7173 2,312 19

Dataset Structure

moe-speech-20speakers-ljspeech/
├── metadata.csv      # LJSpeech format: filename|speaker_id|text
├── wavs/            # Audio files (22050Hz mono WAV)
│   ├── {speaker_id}_{utterance_id}.wav
│   └── ...
└── wavs.zip         # Compressed audio files (21GB)

metadata.csv Format

{speaker_id}_{utterance_id}|{speaker_id}|{transcription_text}

Example:

940de876_0000|940de876|こんにちは、今日は良い天気ですね。

Download

Using huggingface-cli

# Install huggingface-cli
pip install -U "huggingface_hub[cli]"

# Login
huggingface-cli login

# Download entire dataset
huggingface-cli download --repo-type dataset ayousanz/moe-speech-20speakers-ljspeech --local-dir moe-speech-20speakers-ljspeech

Extracting wavs.zip

cd moe-speech-20speakers-ljspeech
unzip wavs.zip

Usage with Piper TTS

Preprocessing

uv run python -m piper_train.preprocess \
  --language ja \
  --input-dir /path/to/moe-speech-20speakers-ljspeech \
  --output-dir /path/to/dataset-moe-speech-20speakers \
  --dataset-format ljspeech \
  --sample-rate 22050

Training (Multi-GPU)

NCCL_DEBUG=INFO \
NCCL_P2P_DISABLE=1 \
NCCL_IB_DISABLE=1 \
uv run python -m piper_train \
  --dataset-dir /path/to/dataset-moe-speech-20speakers \
  --accelerator gpu \
  --devices 4 \
  --precision 16-mixed \
  --max_epochs 100 \
  --batch-size 5 \
  --checkpoint-epochs 1 \
  --quality medium \
  --base_lr 2e-4 \
  --ema-decay 0.9995 \
  --num-workers 0 \
  --no-pin-memory \
  --default_root_dir /path/to/output

Related Resources

License

This dataset inherits the license from the original moe-speech dataset.

Important: This dataset is only permitted for use under Article 30-4 of the Copyright Law of Japan for data analysis (such as machine learning) purposes. Any use for purposes other than those specified is prohibited by the license.

このデータセットは、著作権法第三十条の四の情報解析(機械学習等)の目的でのみ使用が許可されています。

Citation

If you use this dataset, please cite the original MoeSpeech dataset:

@misc{moespeech,
  author = {litagin},
  title = {MoeSpeech: Japanese Character Voice Dataset},
  year = {2024},
  publisher = {Hugging Face},
  url = {https://huggingface.co/datasets/litagin/moe-speech}
}
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