Dataset Card for ASCEND

Dataset Summary

ASCEND (A Spontaneous Chinese-English Dataset) introduces a high-quality resource of spontaneous multi-turn conversational dialogue Chinese-English code-switching corpus collected in Hong Kong. ASCEND consists of 10.62 hours of spontaneous speech with a total of ~12.3K utterances. The corpus is split into 3 sets: training, validation, and test with a ratio of 8:1:1 while maintaining a balanced gender proportion on each set.

Supported Tasks and Leaderboards

Code-switching

Languages

Chinese and English

Usage

To obtain the full dataset (complete with train, validation, and test set), simply run this:

import datasets
dataset = datasets.load_dataset("CAiRE/ASCEND")

Dataset Structure

A typical data point comprises the path to the audio file, the loaded audio array, and its transcription. Additional fields include datapoint id, duration, language, speaker id, session id, and topic.

{
    'id': '00644',
    'path': '.cache/huggingface/datasets/downloads/extracted/f0b33b5266cd9452ee310eef3577cf7adb7f29aa54dbff74b9a8ee406a55d614/waves/ses2_spk3_L13101_189.900_5.490.wav',
    'audio': {
        'path': '.cache/huggingface/datasets/downloads/extracted/f0b33b5266cd9452ee310eef3577cf7adb7f29aa54dbff74b9a8ee406a55d614/waves/ses2_spk3_L13101_189.900_5.490.wav',
        'array': array([-6.1035156e-05, -1.8310547e-04, 3.0517578e-05, ...,
            0.0000000e+00, -3.0517578e-05, 0.0000000e+00
        ], dtype = float32),
        'sampling_rate': 16000
    },
    'transcription': '因为你不可能邀你的female friends去说走我们去play basketball',
    'duration': 5.489999771118164,
    'language': 'mixed',
    'original_speaker_id': 3,
    'session_id': 2,
    'topic': 'sports'
}

Data Splits

Number of utterances: 9,869 train, 1,130 validation, and 1,315 test.

Additional Information

For comprehensive explanations, please check our paper.

Licensing Information

Creative Common Attribution Share-Alike 4.0 International (CC-BY-SA 4.0)

Citation Information

If you use our dataset, please cite us:

@inproceedings{lovenia2022ascend,
  title={ASCEND: A Spontaneous Chinese-English Dataset for Code-switching in Multi-turn Conversation},
  author={Lovenia, Holy and Cahyawijaya, Samuel and Winata, Genta Indra and Xu, Peng and Yan, Xu and Liu, Zihan and Frieske, Rita and Yu, Tiezheng and Dai, Wenliang and Barezi, Elham J and others},
  booktitle={Proceedings of the 13th Language Resources and Evaluation Conference (LREC)},
  year={2022}