Acoustic Materials Guide

Basic Acoustic Materials for Recording Studios

According to the three core acoustic elements, studio acoustic materials are divided into three categories: sound insulation, sound absorption, and diffusers, with different materials for different positions and functions.

1. Sound Insulation Materials (Sound insulation & anti-vibration)

  • Damped sound insulation board
    Principle: Increases wall density, blocks airborne sound, and reduces vibration transmission.
    Applications: Studio partition walls, ceiling base, door and window reinforcement.
  • Sound insulation cotton / felt
    Principle: Porous structure absorbs airborne sound; damping layer blocks vibration noise.
    Applications: Wall cavity filling, floor insulation, pipe wrapping.
  • Professional soundproof doors & windows / sealing strips
    Principle: Multi-layer structure + full sealing to eliminate sound leakage.
    Applications: Studio entrance door, windows, ventilation openings.

2. Sound Absorption Materials (Control reverb & clear sound)

  • Acoustic foam / polyester fiber absorption panels
    Principle: Porous structure absorbs mid-high frequency sound and reduces reflections.
    Applications: Main reflection walls, behind monitoring position, side walls.
  • Bass traps (low-frequency absorbers)
    Principle: Absorbs low-frequency standing waves to solve muddy low end.
    Applications: Room corners, wall bottoms.
  • Fabric acoustic soft packages
    Principle: Decoration + mid-high frequency absorption for better acoustics.
    Applications: Studio feature wall, non-critical reflection areas.

3. Diffusers (Uniform sound field & anti-standing waves)

  • 2D / 3D diffusion panels
    Principle: Irregular geometry scatters sound for even sound field.
    Applications: Rear wall, ceiling, large blank walls.
  • Irregular acoustic diffusion modules
    Principle: Multi-angle diffusion eliminates sound focusing and standing waves.
    Applications: Large studios, around instrument recording areas.

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