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Room Acoustics

Room Acoustics. DHC 161 March 2, 2011. Early sound in a room. concert hall design. Concertgebouw Amsterdam. Boston Symphony Hall. Istanbul, Turkey. Radio Concert Hall, Denmark. Special Rooms. reverberation chamber. anechoic chamber. Standing waves. Chladni plate patterns.

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Room Acoustics

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  1. Room Acoustics DHC 161 March 2, 2011

  2. Early sound in a room

  3. concert hall design Concertgebouw Amsterdam Boston Symphony Hall Istanbul, Turkey Radio Concert Hall, Denmark

  4. Special Rooms reverberation chamber anechoic chamber

  5. Standing waves Chladni plate patterns

  6. Practice calculation standing waves in a room we know that boundaries are fixed-fixed 12.5 m speed of sound is 342 m/s 3.2 m horizontal modes vertical modes fundamental 27.4 Hz 106 Hz 2nd harmonic These frequencies will be amplified by the room 41.1 Hz 159 Hz 3rd harmonic 54.8 Hz 212 Hz 4th harmonic n*13.7 n*53.4 nth harmonic

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