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Hush City

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Hush City's icon. (c) Antonella Radicchi 2017
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Main Project Information
Presented By Dr. Antonella Radicchi, TU Berlin
Goal To empower people to identify and evaluate quiet areas in cities
Task To use Hush City app to identify & evaluate urban quiet areas
Where Global, anywhere on the planet

With Hush City app, you are an active part of a soundscape and citizen science research project to map and evaluate everyday quiet areas.

Our cities are becoming noisier by the hour. Only in Europe, over 125 million people are affected by noise pollution from traffic every year, and apparently, quietness is becoming a luxury available only to a few of us. By using this free mobile app, you will contribute to making quietness available to all those appreciate it.

Hush City app will help you to identify, access and evaluate “everyday quiet areas” in your neighborhoods. You can find places such as small, quiet spots where you can go to escape the city’s chaos, relax, read a book, play with your kids, and have a pleasant conversation. Chill out!

Join the Hush City community. It is simple!

Download Hush City app
> Go to one of your favorite quiet spots
> Record the sound where you are in the quiet spot
> Take a picture of the spot where you recorded the sound
> Answer the questionnaire about this quiet spot
> Share this information with your community.
> Or, use the app to find a quiet spot near to you. Go to it and enjoy spending some time there.

* Please be aware that noise levels measured by the mobile app, may not be entirely accurate, depending on which smartphones are used, weather conditions and other factors.

Main features of the Hush City app
Using the Hush City app, you can:

1) crowdsource your favorite quiet spots and share them with the Hush City community;
2) identify and access quiet areas in your city or in other cities worldwide, shared by the Hush City users;
3) filter the quiet areas according to their sound levels, descriptors used to tag them, perceived quietness, visual quality and accessibility, as perceived by the users who crowdsourced the quiet areas;
4) engage in gaming activities;
5) review your personal surveys and delete them if you are not longer happy with them;
6) provide feedback on the Hush City project.

Hush City map!
Do you know that the quiet areas crowdsourced with the Hush City app are now open access and available on line? Explore the Hush City Map & happy (quiet) surfing!

How to Join

Download the Hush City app

1. for iOS:

2. for Android:

Explore the open access collection of quiet areas crowdsourced with Hush City app:

Project Timing Hush City app has been available on the market since April 2017. It is possible to join the project anytime.
Social Media
Android App URL
Ideal Age Group Elementary school (6 - 10 years), Middle school (11 - 13 years), High school (14 - 17 years), College, Graduate students, Adults, Families, Seniors
Ideal Frequency Per month
Average Time Less than an hour
Training Materials
Media Mentions
and Publications
Tags citizen science, city, data collection, environmental justice, environment and health, health, healthy, map, mapping, mobile apps, noise, noise pollution, open access, quiet, quietness, sonic urbanism, soundscape, urban design, urban development, urban planning, urban sound
Project Updated 07/10/2018