Voiceprint speech data

1. Product Overview

The speech database comprises a total of 671 hours of recordings. The spoken language is Chinese, and the recordings were collected across China. A total of 7,986 speakers from various regional accents in China participated in the recording process. Each speaker contributed approximately 5 minutes of audio, captured using a mobile phone at a sampling rate of 16,000 Hz and a bit depth of 16 bits. Among them, 2,000 speakers recorded in vehicle environments, 646 in home settings, and 5,340 in quiet recording studios. This database can be used for research purposes such as voiceprint recognition.

2. Product Directory Structure

Directory Structure

Data directory structure data directory structure

│ spk_info.xlsx (Speaker Information)
│ content.txt (Speech Text Content)
└─SPEECHDATA (Audio Folder)
│├─wav (Audio Files Folder)

Naming Conventions

\SPEECHDATA\wav\\\\ e.g., \SPEECHDATA\wav\0001\0001_0001

Name · Content · Notes

· 0001–7500 · Speaker ID

· _ · Audio File Name

Sample Data Download

Click to download sample data