There are a variety of approaches to synthesizing the effect of a reverberant space. Approaches based on direct measurement of a particular room response (convolution techniques) tend to be less extensible and computationally expensive, though possible using special purpose hardware. The use of three-dimensional physical modeling techniques is also limited by computational requirements. Most current work in simulating reverberation is based on “physically- and perceptually-informed” techniques that seek to create parametrically-controllable systems. These models can produce very good reverberant responses though they generally cannot be made to correlate with actual room measurements.
Two excellent overviews of artificial reverbation developments are given by
- Välimäki, V., Parker, J., Savioja, L. Smith, J. O., Abel, J. “Fifty Years of Artificial Reverberation, IEEE Transactions on Audio, Speech, and Language Processing, Vol. 20, No. 5, July 2012.
- Gardner, W. G. “Reverberation Algorithms,” in Applications of Signal Processing to Audio and Acoustics, M. Kahrs and K. Brandenburg, Eds., Kluwer Academic, Norwell, MA, 1997.
And a historically important paper is
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