Since the acoustics of two of the three halls of Slovenian National Theatre in Maribor proved to be inadequate, its management asked for an expert analysis of the existing acoustical status. The objective part of the analysis comprised investigations of useful and detrimental reflections, reverberation time curves, direct-to-reflected energy ratios, clarity values, and ALcons and RASTI values. Subjective investigation included syllabic intelligibility tests and qualified listeners' evaluation. Subsequent analysis gave the designer all the necessary parameters for reconstruction.:
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