Release Date: 7/21/2026
Format: MP3, TSV
Size: 113.39 MB
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This dataset is a subset of the larger Chinese Mozilla Common Voice Scripted Speech 26.0 dataset. It contains only validated audio (at least one upvote and 0 downvotes) from users who's self-identified accent corresponds to Beijing Chinese.
Restrictions/Special Constraints
NA
Forbidden Usage
You agree not to attempt to determine the identity of speakers in this dataset.
Intended Use
Speech technology; Linguistics research
This dataset was created by filtering the train, dev, and test files from the v26 Chinese Mozilla Common Voice Scripted Speech dataset with the following conditions:
the value of the up_votes field is a number greater than 0.
the value of the down_votes field is 0.
the value of the accents column is one of the following:
{出生地:37 山东省,
出生地:45 广西壮族自治区,
标准普通话,
北京生活、普通话测试,
出生地:36 江西省,
出生地:11 北京市,
出生地:13 河北省,
出生地:50 重庆市,
標準漢語普通話,
出生地:12 天津市,
南宁普通话(南普)}
The resulting dataset includes 2,281 clips in the training set, 409 clips in the dev set, and 170 clips in the test set, totaling approximately 4 hours, 20 minutes of audio.
The dataset follows the Mozilla Common Voice format: The clips directory contains all of the .mp3 files, and there is a separate tsv file for each data partition, containing the following fields:
client_id
path
sentence_id
sentence
sentence_domain
up_votes
down_votes
age
gender
accents
variant
localesegment
| Category | Train (n) | Train (%) | Dev (n) | Dev (%) | Test (n) | Test (%) |
|---|---|---|---|---|---|---|
| Not Specified | 78 | 3% | 58 | 14% | 21 | 12% |
| Male Masculine | 1,733 | 76% | 296 | 72% | 115 | 68% |
| Female Feminine | 470 | 21% | 55 | 13% | 34 | 20% |
| Total | 2,281 | 100% | 409 | 100% | 170 | 100% |
| Category | Train (n) | Train (%) | Dev (n) | Dev (%) | Test (n) | Test (%) |
|---|---|---|---|---|---|---|
| Not Specified | 78 | 3% | 44 | 11% | 4 | 2% |
| Teens | 110 | 5% | 104 | 25% | 25 | 15% |
| Twenties | 953 | 42% | 187 | 46% | 100 | 59% |
| Thirties | 863 | 38% | 43 | 11% | 33 | 19% |
| Fourties | 277 | 12% | 13 | 3% | 8 | 5% |
| Fifties | 0 | 0% | 18 | 4% | 0 | 0% |
| Total | 2,281 | 100% | 409 | 100% | 170 | 100% |