Closing SoonSpeech & AudioAudio
Public Transit Crowd Audio Profiles
SA
Sarah Chen
Posted October 25, 2025
MetroSense is studying perceived crowding levels on rapid transit lines. Contributors capture ambient audio during peak and off-peak hours and label perceived comfort, line name, and rolling stock type.
Quality Criteria
Requirements for submission approval
- 44.1 kHz stereo or binaural recording
- Record at least 90 seconds continuously
- Tag perceived crowd level on 1-5 scale
Requirements
What you need before contributing
- Capture both station dwell and in-car segments
- Note exact time and direction of travel
- Avoid conversations that can identify individuals