Lion City Soundscapes

A Dataset of Characteristic Soundscapes of Singapore

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Photo by Zhu Hongzhi on Unsplash

About the Project

Lion City Soundscapes presents a dataset of audio-visual recordings of characteristic soundscapes in Singapore. These soundscapes were previously identified in the Singapore Soundscape Site Selection Survey (S5) as characeristic soundscapes spanning the perceptual quadrants generated from the "Pleasantness" and "Eventfulness" axes of the ISO 12913-3:2019 circumplex model of soundscape perception. Currently, the database consists of soundscapes from 62 locations. The soundscapes are characterised into four categories that correspond to the four quadrants from the ISO 12913-3:2019 circumplex model: "full of life and exciting", "chaotic and restless", "calm and tranquil", and "lifeless and boring".

These locations are geographically distributed across the entirety of Singapore and consists of a variety of urban landscapes including parks, shopping malls, residential districts, and busy roads.

All files for the 1-minute excerpts are available at here, as well as a selection of full-length files (the full-length binaural microphone recordings for all locations and all full-length files for locations S0001, S0002, and S0041). However, preview videos of the files have been made available on YouTube and on the interactive map, and all full-length files are available upon request. These recordings are free to use for research and educational purposes. Contact us in case you would like to use them.

Methodology

The soundscape recordings were done using the following equipment:
  • Class 1 sound pressure level meter: GRAS 146AE Free-field Microphone with HEAD Acoustics SQobold Data Acquisition System
  • Binaural Microphone: B&K Type 4101 Binaural Microphone connected to the same Data Acquisition System
  • Neumann KU100 Dummy Head
  • 360-degree video camera: Insta360 One R Twin Edition
  • Third-order ambisonic microphone: Sylia SM-1 Ambisonic Microphone (19 channels) connected to a Zylia ZR-1 Portable Recorder
  • Windshields for all microphones, except for built-in microphone of the 360-degree video camera
The ear of the artifical head, video camera, and ambisonic microphone were placed 1.5 metres, 1.8 metres, and 2.1 metres above the ground respectively.

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Photo by Ethan Hu on Unsplash