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| sound proofing | |||
| noise absorption; sound insulation | |||
| soundproofing Reducing or eliminating reverberation in a room by placing sound-absorbing materials on the walls and ceiling; protection against noise; soundproofing | |||
| acoustic treatment | |||
| acoustic attenuation; sound attenuation; attenuation | |||
| acoustic insulation | |||
| insonorisation: 53 phrases in 13 subjects |