Abstract

During a study carried out by Graz University of Technology, Joanneum Research and Rohde-Jegger-Acoustics about acoustics in St. Stephan’s Cathedral in Vienna, lots of data has been collected. One part of this paper deals with further examination of this data.

Reverberation time analysis has only been done statistically, local characteristics however vary greatly and the reasons for that will be explored. One may reasonably expect a connection between room-modes, energy distribution and reverberation-time.

The quality of the interpretation of the measurement-data is crucial, a new parameter should be found to evaluate results. Fundamental problems in automatic analysis will be compared by testing results in different software packages.

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Notice

As in 2011 the Acoustics and Audio Group moved from the Institute of Broadband Communications (IBK) to the Signal Processing and Speech Communications Laboratory (SPSC), the puplishing location of this thesis also was transfered from the IBK to the SPSC-website.