---
extra_gated_prompt: Please fill out the following information to verify your identity.
extra_gated_fields:
  Name: text
  Phone Number: text
  Email: text
  Organization or School: text
  Major: text
  Education level: text
  Identity:
    type: select
    options:
      - Student
      - Teacher
      - Employee
extra_gated_heading: "Acknowledge license to accept the repository"
extra_gated_description: "Please fill in the information truthfully and keep your phone line clear. After verifying your information, you will be able to use our dataset."
extra_gated_button_content: "Acknowledge license"
task_categories:
- voice-activity-detection
- automatic-speech-recognition
- audio-to-audio
language:
- zh
- en
license: cc-by-nc-nd-4.0
---


## Dataset Introduction
### Cantonese dialect conversation

### Version
v1.0

### Release Date
2024-11-04

### Data Description

Material Type	Voice:Collection and Annotation

Data Description (including: language category, etc.):Cantonese colloquial speech

Total Data Volume:655 hours

Collection Equipment Requirements (model, etc.):Telephone recording

Collection Environment Requirements:Indoor

Pronunciation Style (Neutral news, emotional, reading/Free topic, natural speech):Natural speech

Number of Collectors:228 people

Recording Content	Audio scenes include: Customer service dialogue scenarios, financial industry, simulated production scenario data

Duration of Each Recording:5-10 minutes

Annotation Content:Text, timestamp, gender, background noise, English, amplitude reduction

Annotation Format:Customer service and customer are annotated separately

Recording Format (whether to follow reading, whether to read aloud, whether dialogue, etc.; Follow reading is only for children):Dialogue

Voice Ability Requirements (requirements for accent; requirements for regional distribution; if it is a small language, its language ability requirements; whether professional broadcasters are needed):Normal Cantonese colloquial speech

Recording Environment (Recording studio/Signal-to-Noise Ratio SNR[Office/Shopping mall/Outdoor/Desk/Mobile phone/Car (model, speed, in-car environment)]):Office

Audio Format:	8k, 16bit wav

Channels:	Dual channel, left channel, right channel

Silent Reservation:None reserved

Voice Annotation:Divided according to the speaker's pauses and marked with corresponding text

Acceptance Rate Requirement:99%

```

## Directory Structure

```
root_directory/

├── audio/     

│   ├── audio1.wav
│   ├── text1.txt

```