Srinath N Ramalingam commited on
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Fix .gitattributes; first data push

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README.md DELETED
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- ---
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- license: cc
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- task_categories:
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- - automatic-speech-recognition
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- - audio-to-audio
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- - audio-classification
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- language:
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- - en
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- pretty_name: Phonemized-VCTK (speech + features)
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- size_categories:
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- - 10K<n<100K
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- ---
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-
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- # Phonemized-VCTK (speech + features)
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-
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- **Phonemized-VCTK** is a light-repack of the VCTK corpus that bundles—per utterance—
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-
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- * the raw audio (`wav/`)
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- * the plain transcript (`txt/`)
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- * the IPA phoneme string (`phonemized/`)
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- * frame-level pitch-aligned segments (`segments/`)
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- * sentence-level context embeddings (`context_embeddings/`)
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- * speaker-level embeddings (`speaker_embeddings/`)
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-
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- The goal is to provide a *turn-key* dataset for
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- *forced alignment*, *prosody modelling*, *TTS*, and *speaker adaptation* experiments without having to regenerate these side-products every time.
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-
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- ---
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-
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- ## Folder layout
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-
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- | Folder | Contents | Shape / format |
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- | ------ | -------- | -------------- |
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- | `wav/<spk>/` | 48 kHz 16‑bit mono `.wav` files | `p225_001.wav`, … |
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- | `txt/<spk>/` | original plain‑text transcript | `p225_001.txt`, … |
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- | `phonemized/<spk>/` | whitespace‑separated IPA symbols, **`#h`** = word boundary | `p225_001.txt`, … |
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- | `segments/<spk>/` | JSON with per‑phoneme timing & mean pitch | `p225_001.json`, … |
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- | `context_embeddings/<spk>/` | NumPy float32 `.npy`, sentence embedding of the utterance | `p225_001.npy`, … |
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- | `speaker_embeddings/` | NumPy float32 `.npy`, *one* vector per speaker, generated from **NVIDIA** `TitaNet-Large` model | `p225.npy`, … |
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-
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- <details>
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- <summary>Example <code>segments</code> entry</summary>
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-
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- ```json
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- {
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- "0": ["h#", {"start_sec":0.0,"end_sec":0.10,"duration_sec":0.10,"mean_pitch":0.0}],
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- "1": ["p", {"start_sec":0.10,"end_sec":0.18,"duration_sec":0.08,"mean_pitch":0.0}],
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- "2": ["l", {"start_sec":0.18,"end_sec":1.32,"duration_sec":1.14,"mean_pitch":1377.16}]
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- }
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- ```
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- </details>
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-
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- ---
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-
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-
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- ---
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-
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- ## Quick start
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-
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- ```python
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- from pathlib import Path
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- import json, soundfile as sf
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- import numpy as np
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-
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- root = Path("Phonemized-VCTK")
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-
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- wav, sr = sf.read(root/"wav/p225/p225_001.wav")
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- text = (root/"txt/p225/p225_001.txt").read_text().strip()
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- ipa = (root/"phonemized/p225/p225_001.txt").read_text().strip()
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- segs = json.loads((root/"segments/p225/p225_001.json").read_text())
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- ctx = np.load(root/"context_embeddings/p225/p225_001.npy")
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-
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- print(text)
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- print(ipa.split()) # IPA tokens
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- print(ctx.shape) # (384,)
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- ```
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-
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- ---
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-
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-
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- ---
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-
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- ## Known limitations
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-
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- * The phone set is plain IPA—no stress or intonation markers.
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- * English only (≈109 speakers, various accents).
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- * Pitch = 0 on unvoiced phones; interpolate if needed.
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- * Embedding models were chosen for convenience—swap as you like.
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-
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- ---
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-
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- ## Citation
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-
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- Please cite **both** VCTK and this derivative if you use the corpus:
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-
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- ```bibtex
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- @misc{yours2025phonvctk,
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- title = {Phonemized-VCTK: An enriched version of VCTK with IPA, alignments and embeddings},
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- author = {Your Name},
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- year = {2025},
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- howpublished = {\url{https://huggingface.co/datasets/your-handle/phonemized-vctk}}
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- }
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-
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- @inproceedings{yamagishi2019cstr,
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- title={The CSTR VCTK Corpus: English Multi-speaker Corpus for CSTR Voice Cloning Toolkit},
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- author={Yamagishi, Junichi et al.},
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- booktitle={Proc. LREC},
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- year={2019}
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- }
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- ```
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-
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- ---