Abstract: The Reverberation Slope Ratio thesis defines specific reverberation time vs. frequency goals for modern architectural acoustic environments. It is offered to advance and define a room’s acoustic design objectives, and provide simple scoring and grading metrics, from which acoustical design specifications can be initiated and/or evaluated.
The thesis outlines a proposed standard that condenses six octaves (between 63 Hz – 2 kHz) of reverberant decay-time data into a numeric score for grading indoor performance, worship and entertainment facilities. Specifically, it calculates and ranks the relationship (i.e. ratio) between the longest and shortest of the six T60 values -- be they measured or predicted.