Audio

Introduction

The Audio module detect the siren sound coming from the active emergency vehicle. It detects and output siren on/off status, moving status and the relative position of the siren. When active emergency vehicles detected, you can also see active alerts on Dreamview.

Input

• Audio signal data (cyber channel /apollo/sensor/microphone)

Output

• Audio detection result, including the siren active/inactive status, moving status(approaching/departing/stationary), and the positions (cyber channel apollo/audio/audio_detection).