VAD Document

1. Description

Vad is used to detect the start and stop states of user's speech in real time, and the application layer makes corresponding prompts and processing according to different states returned to improve user experience.

1.1 Audio data source

Microphone live audio streaming

1.2 Return data description

1.2.1 Data type

json format

1.2.2 Field Description

Name	Type	Description
vad_status	int	Detection state, the values are 0,1,2 0: Start detection; 1: Detected that the user started to speak; 2: Detected that the user has stopped speaking;
sound_intensity	int	Sound intensity, value range：0~100

1.2.3 Data sample

    {
	   "vad_status": 0,
	   "sound_intensity": 12.0
    }

2. Integrated

VAD function can be integrated in the following two ways according to different solutions

Type	Applicable Scenarios	Supported Platforms/Development Languages	Doc reference
Integrated in the evaluation sdk	Products using the evaluation sdk solution	Android、iOS、Unity、C/C++、Java、C#	Click to view
Separate vad sdk	Products using API solutions	Android、iOS	Click to view