Perceptual Convolution for Reverberation

Yang CH, Guo JI, Lee WC, Liu CM. Perceptual Convolution for Reverberation. In: AES Convention 115. Audio Engineering Society; 2003. Paper 5992. Available from: https://aes.org/publications/elibrary-page/?id=12376

@inproceedings{Yang2003_12376,
  author = {Yang, Chung-Han and Guo, Jiun-In and Lee, Wen-Chieh and Liu, Chi-Min},
  title = {{Perceptual Convolution for Reverberation}},
  booktitle = {AES Convention 115},
  note = {Paper 5992},
  year = {2003},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=12376}
}

TY  - CPAPER
TI  - Perceptual Convolution for Reverberation
AU  - Yang, Chung-Han
AU  - Guo, Jiun-In
AU  - Lee, Wen-Chieh
AU  - Liu, Chi-Min
T2  - AES Convention 115
M1  - Paper 5992
PY  - 2003
DA  - 2003/10/06
UR  - https://aes.org/publications/elibrary-page/?id=12376
PB  - Audio Engineering Society
LA  - en
AB  - The FIR-based reverberators, which convolve the input sequence with an impulse response modelling the concert hall, have better quality compared to the IIR-based approach. However, the high computation complexity of the FIR-based reverberators limits the applicability to most cost-oriented system. This paper proposes a method that uses perceptual criterion to reduce the complexity of convolution methods. Also, an objective measurement criterion is introduced to check the perceptual difference from the reduction. The result has shown that the length of impulse response can be cut off by 60% without affecting the perceptual reverberation quality. The method is well integrated into the existing FFT-based approach is have around 30% speed-up. Also, the method has a high flexibility to various computation complexities with graceful degradation to the reverberation quality.
ER  -