Adding air attenuation to simulated room impulse responses: A modal approach
Numerical Analysis
2021-07-27 v1 Numerical Analysis
Sound
Audio and Speech Processing
Abstract
Air absorption is an important effect to consider when simulating room acoustics as it leads to significant attenuation in high frequencies. In this study, an offline method for adding air absorption to simulated room impulse responses is devised. The proposed method is based on a modal scheme for a system of one-dimensional dissipative wave equations, which can be used to post-process a room impulse response simulated without air absorption, thereby incorporating missing frequency-dependent distance-based air attenuation. Numerical examples are presented to evaluate the proposed method, along with comparisons to existing filter-based methods.
Cite
@article{arxiv.2107.11871,
title = {Adding air attenuation to simulated room impulse responses: A modal approach},
author = {Brian Hamilton},
journal= {arXiv preprint arXiv:2107.11871},
year = {2021}
}