Physikalisch-Technische Bundesanstalt (PTB)

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Working group 1.61

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Sound in air

symbol of working group 1.61

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- Measurement facilities and rooms

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Measurement facilities and rooms

Anechoic room(203 m³, > 95 Hz)
Artificial diffuse sound field (ISO 4869-1, ISO 4869-3, 63 Hz - 8000 Hz)
Audiometric chamber (12 m³)
Climatized Chamber ( 1m³, -20 °C ... 90 °C, 10% ... 98% r. H.)
Kundt's tube (length: 22 m )