docs: full dataset card (ownership, usage, links)

README.md

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+---
+language:
+- ar
+license: cc-by-nc-nd-4.0
+task_categories:
+- text-to-speech
+tags:
+- tts
+- speech
+- phoonnx
+- ar
+---
+
+# tts-train-synthetic-dii_ar-diacritics
+
+This is a single-speaker synthetic speech dataset for **Arabic**. It carries the **Dii** voice, a female voice. The audio was synthesized with text-to-speech and adapted to the Dii speaker identity, to train a Dii voice model for Arabic. The dataset contains 9995 recordings, with a `metadata.csv` transcript file and one WAV file per line.
+
+## Related links
+
+Models trained on this dataset:
+- [OpenVoiceOS/phoonnx_ar_dii_espeak](https://huggingface.co/OpenVoiceOS/phoonnx_ar_dii_espeak)
+
+- Dataset collection: https://huggingface.co/collections/TigreGotico/synthetic-tts-datasets
+- phoonnx: https://github.com/TigreGotico/phoonnx
+- voiceclonnx: https://github.com/TigreGotico/voiceclonnx
+- TigreGotico: https://tigregotico.pt
+
+## Ownership and licensing
+
+Miro and Dii are the recorded voices of two real people. The voices, this
+dataset, and any model trained on it belong to TigreGotico Lda
+(https://tigregotico.pt).
+
+This dataset is licensed under Creative Commons
+Attribution-NonCommercial-NoDerivatives 4.0 (CC BY-NC-ND 4.0). You may use
+and share this dataset for non-commercial purposes only. Give attribution to
+TigreGotico Lda. Do not modify, remix, or build derivative datasets or voices
+from this data.
+
+For commercial use, for derivative datasets, or for any other license of the
+Miro or Dii voice identity, contact TigreGotico Lda.