How do you determine the appropriate location and design of sound absorbers in a concert hall?
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Sample interview questions: How do you determine the appropriate location and design of sound absorbers in a concert hall?
Sample answer:
Appropriate Location of Sound Absorbers in a Concert Hall
- Stage Area: Absorbers can control direct sound from the instruments and reduce reflections from the stage walls, improving clarity and reducing reverberation. Consider using curtains, panels, or diffusers on the back and side walls of the stage.
- Audience Area: Absorbers reduce reflections from the audience, minimizing aural distraction. Wall panels, ceiling clouds, and under-balcony absorbers can be strategically placed to absorb mid- and high-frequency reflections.
- Ceiling Treatment: A perforated or slotted ceiling can absorb lower frequencies, reducing reverberation time and enhancing clarity. Consider using panels with varying absorption coefficients to achieve the desired acoustic balance.
- Overhangs/Balconies: Absorbing surfaces on these structures can prevent excessive reflections from hitting the audience or stage, enhancing sound projection.
- Side Walls: Wall panels or draperies can reduce reflections from side walls, improving clarity and reducing flutter echoes.
Design Considerations