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CALMA-TEC noise protection systems
  • HOME
  • PIN
    • PIN I – Highly effective + cost saving
    • PIN II – Performance boost
    • PIN III – Lower barriers
  • IN ACTION
  • CALMA-BLOG
  • Contact

Posts on 3. Februar 2026

Tunnel Portals – From Noise Hotspots to Effective Mitigation

Februar 3, 2026
1. Tunnel portals as acoustic key zones Tunnel portals represent a critical interface between enclosed transport […]
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CALMA-BLOG
Noise Knowledge Base

This is the list of our recent articles on key topics regarding noise and acoustics and how to manage them successfully.

  • Engineering the Edge: How Geometry and Absorption Can Improve Noise Barriers10. März 2026
  • Tunnel Portals – From Noise Hotspots to Effective Mitigation3. Februar 2026
  • Global Interest in PIN: Why Low-Height, High-Efficiency Solutions Make Sense Worldwide14. Januar 2026
  • Why “Cheaper” Noise Barriers End Up Costing More4. Dezember 2025
  • More than just a wall – why high-speed noise protection follows its own rules18. Juni 2025
  • Why rebuild a noise barrier if you can simply make it more effective?4. Juni 2025
  • Planned, Built – and Still Too Loud: What Noise Barrier Tenders Often Miss14. Mai 2025
  • How Loud Is Your Life? Understanding Decibels and Noise Exposure6. Mai 2025
  • The Best Way to Reduce Noise: Start at the Source24. März 2025
  • Turning Challenges into Solutions: The Open Absorber Advantage24. März 2025
  • Why noise is a threat to health2. Mai 2023
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© 2026 CALMA-TEC noise protection systems.