metadata

dataset_info:
  features:
    - name: audio
      dtype: audio
    - name: text
      dtype: string
    - name: speaker
      dtype: string
  splits:
    - name: train
      num_bytes: 401319194100.855
      num_examples: 1042919
    - name: validation
      num_bytes: 52676843
      num_examples: 141
    - name: test
      num_bytes: 142910421
      num_examples: 383
  download_size: 167165459930
  dataset_size: 401514781364.855
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: validation
        path: data/validation-*
      - split: test
        path: data/test-*
task_categories:
  - text-to-speech
language:
  - vi
pretty_name: PhoAudiobook
extra_gated_prompt: >
  User agrees  (1) to use PhoAudiobook for research or educational purposes
  only, (2) to not distribute PhoAudiobook or part of PhoAudiobook in any
  original or modified form, (3) and to cite our [ACL 2025
  paper](https://arxiv.org/abs/2506.01322) whenever PhoAudiobook is employed to
  help produce published results.

PhoAudiobook: A high-quality zero-shot TTS dataset for Vietnamese

PhoAudiobook is a high-quality and large-scale Vietnamese speech dataset curated for zero-shot text-to-speech. Details of the dataset construction and experimental results can be found in our ACL 2025 paper:

@inproceedings{vu2025zeroshottexttospeechvietnamese,
      title={Zero-Shot Text-to-Speech for Vietnamese}, 
      author={Thi Vu and Linh The Nguyen and Dat Quoc Nguyen},
      year={2025},
      booktitle={Proceedings of ACL},
}

Data splits

Train

940 hours of audio longer than 10s
554 hours of augmented short audio
Total: 1,494 hours of audio
710 speakers

Validation

0.5 hours of audio
5 speakers

Test

"Seen" Speaker Test Set:
- 0.8 hours of audio
- 20 speakers (part of training speakers)
"Unseen" Speaker Test Set:
- 0.4 hours of audio
- 20 speakers

User agreement

User agrees:

to use the dataset for research or educational purposes only.
to not distribute or part of the dataset in any original or modified form.
and to cite our ACL 2025 paper "Zero-Shot Text-to-Speech for Vietnamese" whenever the dataset is used to help produce published results.

Disclaimer

THE DATA IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE DATA OR THE USE OR OTHER DEALINGS IN THE
DATA.