Energy Decay Curve
For measuring and defining reverberation time , Schroeder
introduced the so-called
energy decay curve (EDC) which is the tail integral of the squared impulse
response at time
:
![$\displaystyle \hbox{EDC}(t) \isdef \int_t^\infty h^2(\tau)d\tau
$](http://www.dsprelated.com/josimages_new/pasp/img686.png)
![$ \hbox{EDC}(t)$](http://www.dsprelated.com/josimages_new/pasp/img687.png)
![$ t$](http://www.dsprelated.com/josimages_new/pasp/img122.png)
![$ t_{60}$](http://www.dsprelated.com/josimages_new/pasp/img668.png)
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Energy Decay Relief
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Efficiency of Diagonalized State-Space Models