Live-streamed dialect speech database

About this dataset
1. Product Overview
A dialect speech database totaling 157,614 hours. The data is primarily sourced from video platforms such as Douyin, Kuaishou, Haokan, Xigua Video, Bilibili, and iQIYI, and consists of publicly available audio and video content online. Dialects cover 29 regions, including Beijing, Hong Kong, Tibet, Sichuan, and others. Sampling rate: 16,000 Hz; bit depth: 16 bits; sourced from over 7,000 speakers.
2. Data Classification
This database covers a total of 29 regions, with the following distribution of dialect durations:
Serial No. · Dialect Region · Region Code · Duration (hours) · Percentage of Total Duration (100%)
1 · Anhui · AH · 6,666 · 4.23%
2 · Macao · AM · 1,464 · 0.93%
3 · Hainan · HAIN · 951 · 0.60%
4 · Hakka · KJ · 484 · 0.31%
5 · Southern Min · MN · 18,360 · 11.65%
6 · Shanghai · SH · 47 · 0.03%
7 · Hong Kong · XG · 6,082 · 3.86%
8 · Ningxia · NX · 2,224 · 1.41%
9 · Jiangxi · JX · 3,693 · 2.34%
10 · Shandong · SD · 9,857 · 6.25%
11 · Hebei · HEB · 2,460 · 1.56%
12 · Qinghai · QH · 448 · 0.28%
13 · Henan · HEN · 1,361 · 0.86%
14 · Taiwan · TW · 4,461 · 2.83%
15 · Tianjin · TJ · 7,427 · 4.71%
16 · Hubei · HUB · 4,853 · 3.08%
17 · Northeast China · DB · 3,111 · 1.97%
18 · Guangdong · GD · 19,171 · 12.16%
19 · Sichuan · SC · 13,931 · 8.84%
20 · Changsha · CS · 580 · 0.37%
21 · Tibet · XZ · 130 · 0.08%
22 · Xinjiang · XJ · 271 · 0.17%
23 · Gansu · GS · 2,282 · 1.45%
24 · Chongqing · CQ · 11,267 · 7.15%
25 · Inner Mongolia · NM · 3,650 · 2.32%
26 · Beijing · BJ · 18,465 · 11.71%
27 · Yunnan · YN · 4,507 · 2.86%
28 · Guizhou · GZ · 5,166 · 3.28%
29 · Guangxi · GX · 4,245 · 2.69%
Total · · · 157,614 · 100%
3. Directory Structure and Naming Conventions
Directory Structure
The data directory tree structure is as follows:
└─SPEECHDATA(Audio Folder)
││├─BJ(Dialect Category)
││ ││ bj0000001.wav Audio File)
Naming Conventions
CORPUS/USAGE/SPEAKER_ID/SPEECH_IDe.g./SPEECHDATA/BJ/bj0000001.wav
Directory Name · Content · Notes
CORPUS · · Speech Database ID
USAGE · SPEECHDATA · Audio Folder
SPEAKER_ID · BJ · Dialect Category Code
SPEECH_ID · Bj0000001.wav · Audio File
Data Sample Download
Samples
- Audio sample 1
- Audio sample 2
- Audio sample 3
- Audio sample 4
- Audio sample 5