Update README.md

README.md

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 pretty_name: NB-LibriVox
 size_categories:
 - 1K<n<10K
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+---
+
+# 📄 NB-LibriVox
+
+A high-quality Norwegian text-to-speech (TTS) dataset derived from LibriVox public domain audiobooks. It includes audio clips with pseudo-aligned transcripts and punctuation, curated by the National Library of Norway for speech synthesis and ASR research.
+
+---
+
+## 📂 Dataset Overview
+
+| **Field**         | **Description**                                                                 |
+|-------------------|---------------------------------------------------------------------------------|
+| `file_name`       | Audio file name in `.wav` format                                                |
+| `id`              | Unique identifier for each utterance/sample                                     |
+| `text`            | Transcript automatically generated using NB-Whisper Large and nb-wav2vec2       |
+| `text_punct`      | Transcript with punctuation automatically added using Qwen3                     |
+| `speaker_id. `    | Identifier of the speaker                                                       |
+| `speaker_name`    | Name of the speaker                                                             |
+| `speaker_gender`  | Gender of the speaker (e.g., `male`, `female`, `unknown`)                       |
+| `speaker_status`  | Speaker's native status (e.g., `L1`, `L2`)                                      |
+| `title`           | Title of the source audiobook                                                   |
+| `author`          | Author of the original text                                                     |
+| `sequence`        | Position of the utterance within the audiobook file                             |
+| `duration`        | Duration of the audio clip in seconds                                           |
+
+---
+
+## 📌 Additional Information
+
+- **Language**: Norwegian (Bokmål)
+- **Audio Format**: MPEG ADTS, layer III, v1, 64 kbps, 48 kHz, Monaural
+- **Text Alignment Method**:  
+  - **ASR Model**: [`NB-Whisper Large`](https://huggingface.co/NbAiLab/nb-whisper-large)  
+  - **Supplementary Model**: [`nb-wav2vec2`](https://huggingface.co/NbAiLab/nb-wav2vec2-1b-bokmaal-v2)  
+  - **Alignment Type**: Pseudo-labeling (not force-aligned)
+- **Punctuation Model**: [Qwen3 235B](https://huggingface.co/Qwen/Qwen3-235B-A22B)
+- **Total Duration**: ~8 hours
+- **Total Samples**: 4907 samples
+
+---
+
+## 📜 Licensing & Usage
+
+- **License**: Creative Commons Zero (CC0)  
+- **Data Source**: LibriVox public domain recordings  
+- **Dataset Creator**: National Library of Norway
+
+> Free to use, modify, and distribute for any purpose, including commercial use.
+
+
+---
+
+## ⚠️ Ethical Considerations
+
+- All content is in the public domain and CC0-licensed.
+- Speakers are volunteers; synthesized voices should not be used in misleading or impersonating contexts.
+- Encourage transparency when using in generative applications (e.g., voice assistants, synthetic speech).
+
+---
+
+## 📎 Citation
+
+> “Norwegian LibriVox TTS Dataset (CC0), curated by the National Library of Norway. Transcripts pseudo-labeled using NB-Whisper Large and nb-wav2vec2.”