The application of organ sound in reverberation measurement in the concert hall of the warsaw academy of music

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Authors

  • Andrzej RAKOWSKI Academy of Music, Poland
  • Jerzy ERDMAN Academy of Music, Poland

Abstract

Reverberation in the concert hall at the Academy of Music, Warsaw, was determined in the range from 50 to 8000 Hz using the organ as a sound source. The results obtained for 100-4000 Hz do not differ significantly from those obtained from conventional method. To explain the differences in the range of lowest frequencies, the control measurement of the sound decay in low register organ pipes was performed. It was found that the time of sound decay in these pipes may actually be com-parable to the reverberation time of the hall. In the range of highest frequencies the measurement was carried out using a specially selected organ chord to get the sufficient energy in the upper part of the spectrum. The results, are in agreement with those obtained by conventional measurements.

References

[1] W. LOTTERMOSER, Akustische Untersuchung an der Orgel von A. B. Della Ciaja in Pisa, Orgelakustik in Einzeldarstellungen, Verlag das Musikinstrument, Frankfurt a. Main 1966, 163-172.

[2] W. LOTTERMOSER, Die Akustik des Rawmes und der Orgel in der Frauwenkirche zu Dresden, Orgelakustik in Einzeldarstellungen, Verlag das Musikinstrument, Frankfurt a. Main 1966, 149-161.

[8] W. LOTTERMOSER, Testakkorde bei Orgeln, Orgelakustik in Einzeldarstellungen, Verlag das Musikinstrument, Frankfurt a. Main 1966, 79-90.

[4] A. RAKOWSKI, Musical instruments as natural sources of sound for the reverberation time measurements, Archiwum Akustyki, 9, 2, 179-188 (1968) [in English].

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