Abstract
An analysis and visualization method for room responses is presented. The method utilizes time and frequency resolution similar to the human hearing. With the proposed method it is possible to study the decaying sound field in a room with a resolution that mimics the human hearing better than simpler methods such as spectrograms or one-third octave band filtering. This method is applicable as well in the analysis of artificial reverberation and related audio effects. The analysis method includes the use of directional microphones, which yields information cues about the diffuseness and the directional characteristics of sound fields in the time-frequency domain. This approach is particularly interesting and promising in the visualization of concert hall acoustics. As case studies two example responses, one from a small and another one from a large concert hall, are analyzed.
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