Valter Abreu
London, 2024
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Sound Designer / Composer focused on the realms of video games and experimental music.


Valter Abreu is a Sound Designer and Composer from Portugal, known for his immersive audio work in video games and experimental music. He holds a degree in Music Production and Technology from ESMAE – Escola Superior de Música e Artes do Espetáculo (Porto), and a Master’s in Multimedia – Interactive Music and Sound Design from FEUP – Faculdade de Engenharia da Universidade do Porto. 

Valter is currently working at The Gang, where he continues to craft engaging sonic experiences. He is experienced in Unity, Unreal Engine 5, MetaSounds, and FMOD, and has worked on titles released for PC, PS5, Xbox and VR. His credits include video games such as Out Of Sight (Starbreeze Entertainment / The Gang Studio) and Nightslink (Noiseminded / Materia Collective), among other indie projects. 

Under the alias SÍLENÍ, Valter explores the darker edges of ambient music, having released five albums that delve into eerie textures and atmospheric depth.

©2025