Acoustic Experiential Worlds

Efterklang is a team of engineers, designers and technical experts that has been doing award-winning work since 1956. They create sound environments and address vibration issues across all scales and sectors. The team approaches this task with both heart and mind, to ‘tune the world’ by designing spaces where unwanted sound is minimised, allowing desirable sounds to be heard.

Red Dot about Efterklang, part of AFRY

We create unique and optimised soundscapes that

are uplifting and promote collaboration, concentration, play and learning.

Martin Hallberg

Facts and figures

140

Employees as of 2024

6

Distinctions in the Red Dot Award

1956

Year of foundation

Awarded in

Sound Design

Awarded projects 2024

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From Noise to Nice – The Tuning of a Playground

This playground, located on a former dry dock, also makes good use of sound design. A protective wall made of containers keeps out traffic noise, and a loudspeaker system makes it possible to play various sounds at different points. These include creative sound installations, like an interactive gorilla.

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Uppsala Great Square – Remixing the Urban Soundscape

The aim of this project was to improve the sound experience in the central square in Uppsala by reducing noise levels and creating space for alternative sounds. Various soundscapes can be transmitted via loudspeakers seamlessly integrated into the lighting system, creating a pleasant atmosphere.

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