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Design and Measurement of Short Reverberation Times at Low Frequencies in Talks Studios

Various types of acoustic treatment have been used in the new talks studios of the Danish Broadcasting Corporation. For verification, reverberation times of about 0.1-0.2s were measured in one-third octave bands from 80 Hz to 8 kHz using a new time-reversed analysis technique. It is demonstrated that the ringing of the filters would have introduced errors at low frequencies if traditional forward analysis had been used.

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JAES Volume 39 Issue 1/2 pp. 47-57; February 1991
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