A New Perceptual Model for Audio Coding Based on Spectro-Temporal Masking

Kohlrausch A, Koppens J, Oomen W, van de Par S. A New Perceptual Model for Audio Coding Based on Spectro-Temporal Masking. In: AES Convention 124. Audio Engineering Society; 2008. Paper 7336. Available from: https://aes.org/publications/elibrary-page/?id=14466

@inproceedings{Kohlrausch2008_14466,
  author = {Kohlrausch, Armin and Koppens, Jeroen and Oomen, Werner and van de Par, Steven},
  title = {{A New Perceptual Model for Audio Coding Based on Spectro-Temporal Masking}},
  booktitle = {AES Convention 124},
  note = {Paper 7336},
  year = {2008},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=14466}
}

TY  - CPAPER
TI  - A New Perceptual Model for Audio Coding Based on Spectro-Temporal Masking
AU  - Kohlrausch, Armin
AU  - Koppens, Jeroen
AU  - Oomen, Werner
AU  - van de Par, Steven
T2  - AES Convention 124
M1  - Paper 7336
PY  - 2008
DA  - 2008/05/06
UR  - https://aes.org/publications/elibrary-page/?id=14466
PB  - Audio Engineering Society
LA  - en
AB  - In psychoacoustics, considerable advances have been made recently in developing computational models that can predict the discriminability of two sounds taking into account spectro-temporal masking effects. These models operate as artificial observers by making predictions about the discriminability of arbitrary signals [e.g. Dau et al. J. Acoust. Soc. Am. 99, Vol. 36(15), 1996]. Therefore, such models can be applied in the context of a perceptual audio coder. A drawback, however, is the computational complexity of such advanced models, especially because the model needs to evaluate each quantization option separately. In this contribution a model is introduced and evaluated that is a computationally lighter version of the Dau model but maintains its essential spectro-temporal masking predictions. Listening test results in a transform coder setting show that the proposed model outperforms a conventional purely spectral masking model and the original model proposed by Dau.
ER  -