Reducing the gap between analysis of low-frequency behavior of small rooms and actual perception, we introduce the importance of transient energetic phenomena besides classic FFT steady state analysis. After a frequency and temporal domain analysis of real-world impulse responses of critical listening rooms, headphone tests were performed. Results show that, for short musical sounds, a new curve called “Overshoot Response” can be more useful than classic frequency response regarding the level perception. Furthermore, the perceived loss of definition after the convolution with R.I.R. is correlated with decaying time and two metrics that were defined—“Room Slowness” and “Room Inertia.”
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