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In this paper, we present low-complexity 3D audio algorithms suitable for applications based on low-power and low-memory hardware. The algorithms include an artificial reverberator associated with a time-varying all-pass filter, IIR crosstalk cancelation filters implementing frequency warping, and a headphone externalization algorithm based on simplified head-related transfer functions (HRTF`s). Performances and complexities of the presented algorithms are measured and compared with the conventional ones. 20 30% of memory reduction was gained using the time-varying artificial reverberator, and 50% of computational reduction was achieved using the IIR crosstalk cancellation filters. Finally, 80% of computational complexity and 50% of memory were saved by using the simplified externalization system.
Author (s): Park, Young-cheol; Chio, Taik-sung; Jung, Jae-woong; Youn, Dae-hee; Nam, Siwook; Song, Jungmin
Affiliation:
Yonsei University
(See document for exact affiliation information.)
Publication Date:
2006-09-06
Import into BibTeX
Session subject:
Audio for Mobile & Handheld Devices
Permalink: https://aes2.org/publications/elibrary-page/?id=13856
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Park, Young-cheol; Chio, Taik-sung; Jung, Jae-woong; Youn, Dae-hee; Nam, Siwook; Song, Jungmin; 2006; Low Complexity 3D Audio Algorithms for Handheld Devices [PDF]; Yonsei University; Paper 1-1; Available from: https://aes2.org/publications/elibrary-page/?id=13856
Park, Young-cheol; Chio, Taik-sung; Jung, Jae-woong; Youn, Dae-hee; Nam, Siwook; Song, Jungmin; Low Complexity 3D Audio Algorithms for Handheld Devices [PDF]; Yonsei University; Paper 1-1; 2006 Available: https://aes2.org/publications/elibrary-page/?id=13856
@article{park2006low,
author={park young-cheol and chio taik-sung and jung jae-woong and youn dae-hee and nam siwook and song jungmin},
journal={journal of the audio engineering society},
title={low complexity 3d audio algorithms for handheld devices},
year={2006},
number={1-1},
month={september},}